¹ X = pressures applied.


Shift Concerns: No Manual 1st Gear

Possible Component	Reference/Action
216 — ELECTRICAL ROUTINE
Powertrain Control System  • Electrical inputs/outputs, vehicle wiring harnesses, PCM, shift solenoids, MLP sensor	•Run Self-Test. Refer to Powertrain Control/Emissions Diagnosis Manual for diagnosis. Perform Pinpoint Tests A and D using Rotunda Transmission Tester (007-00085) or equivalent, and the MLP Tester Adapter (007-00086) or equivalent, as outlined. Service as required. Clear codes, road test and rerun Self-Test.
316 — HYDRAULIC/MECHANICAL ROUTINE
Shift Linkage, Cable, MLP Sensor  • Damaged or misadjusted	•Inspect and service as required. Adjust linkage as outlined. After servicing linkage, verify that the MLP sensor is properly adjusted. Refer to Transmission, Assembly.
Improper Pressures  • Low reverse clutch pressure, low reverse band pressure, low line pressure, low EPC pressure	•Check pressure at line and EPC pressure taps. Refer to Other Concern: Pressure Reference Chart 401 for specifications. If pressures are low, check the following possible components: oil filter and seal assembly, main controls, reverse clutch assembly and reverse servo assembly.
Oil Filter and Seal Assembly  • Plugged or damaged	•Replace filter and seal assembly.
Main Controls  • No. 6 shuttle ball, manual valve, main regulator valve, low servo modulator valve stuck, damaged or assembled wrong	•Inspect for damage. Service as required.
•Bolts not tightened to specification	•Tighten bolts to specification.
•Gaskets damaged	•Inspect for damage and replace.
Low Reverse Servo  • Seals (piston and cover) damaged	•Inspect for damage. Service as required.
•Servo cover retaining ring assembled wrong
•Anchor pins (case) damaged

Shift Concerns: No Manual 2nd Gear

Possible Component	Reference/Action
217 — ELECTRICAL ROUTINE
Powertrain Control System  • Electrical inputs/outputs, vehicle wiring harnesses, powertrain control module (PCM), shift solenoids, MLP sensor	•Run Self-Test. Refer to Powertrain Control/Emissions Diagnosis Manual for diagnosis. Perform Pinpoint Tests A and D using Rotunda Transmission Tester (007-00085) or equivalent, and the MLP Tester Adapter (007-00086) or equivalent, as outlined. Service as required. Clear codes, road test and rerun Self-Test.
317 — HYDRAULIC/MECHANICAL ROUTINE
Shift Linkage, Cable, MLP Sensor  • Damaged, misadjusted	•Inspect and service as required. Adjust linkage as outlined. After servicing linkage, verify that the MLP sensor is properly adjusted. Refer to Transmission Assembly procedures.
Main Controls  • Orifice Control Valve, 3-4 Shift Valve, 1-2 and 2-3 Shift Valve, 3-4 Capacity Modulator Valve stuck, damaged or assembled wrong.	•Inspect for damage. Service as required.
•Bolts not tightened to specification	•Tighten bolts to specification.
•Gaskets damaged	•Inspect for damage and replace.

Shift Concerns: No 1-2 Shift (Automatic)

Possible Component	Reference/Action
220 — ELECTRICAL ROUTINE
Powertrain Control System  • Electrical inputs/outputs, vehicle wiring harnesses, PCM, shift solenoids, OSS	•Run Self-Test. Refer to Powertrain Control/Emissions Diagnosis Manual for diagnosis. Perform Pinpoint Tests A and F using Rotunda Transmission Tester (007-00085) or equivalent, as outlined. Service as required. Clear codes, road test and rerun Self-Test.
320 — HYDRAULIC/MECHANICAL ROUTINE
Shift Linkage, MLP Sensor  • Damaged or misadjusted	•Inspect and service as required. Adjust linkage as outlined. After servicing linkage, verify that the MLP sensor is properly adjusted. Refer to Transmission, Assembly.
Improper Pressures  • Intermediate clutch pressure, line pressure	•Check pressure at line and intermediate clutch taps. Refer to Other Concern: Pressure Reference Chart 401 for specifications. If not OK, check the Main Controls.
Main Controls  • 1-2 shift valve, 1-2 accumulator valve stuck or damaged	•Inspect for damage. Service as required.
•Bolts not tightened to specification	•Tighten bolts to specification.
•SS1 malfunction	•Activate solenoid using transmission tester. If solenoid operation cannot be felt when placing hand on solenoid, replace solenoid. Inspect O-rings for damage. Service as required.
•Gasket damaged	•Inspect for damage and replace.
•No. 8 ball not seating	•Inspect for damage and service as required.
Pump  • Porosity/cross leaks, balls missing, damaged or leaking	•Inspect for porosity/leaks, balls missing. Replace pump as required.
•Gasket damaged	•Inspect for damage and replace.
Intermediate Clutch Assembly  • Seals damaged	•Inspect for damage. Service as required.
Piston damaged	•Inspect for damage. Service as required.
•Friction elements damaged or worn	•Inspect for damage. Service as required.
Intermediate One-Way Clutch Assembly  • Not holding or damaged	•Inspect for damage. Service as required.
Low One-Way Clutch Assembly  • Not overrunning or damaged	•Inspect for damage. Service as required.

Shift Concerns: No 2-3 Shift (Automatic)

Possible Component	Reference/Action
221 — ELECTRICAL ROUTINE
Powertrain Control System  • Electrical inputs/outputs, vehicle wiring harnesses, PCM, shift solenoids, OSS	•Run Self-Test. Refer to Powertrain Control/Emissions Diagnosis Manual for diagnosis. Perform Pinpoint Tests A and F using Rotunda Transmission Tester (007-00085) or equivalent, as outlined. Service as required. Clear codes, road test and rerun Self-Test.
321 — HYDRAULIC/MECHANICAL ROUTINE
Shift Linkage  • Damaged or misadjusted	•Inspect and service as required. Adjust linkage as outlined. After servicing linkage, verify that the MLP sensor is properly adjusted. Refer to Transmission, Assembly.
Improper Pressures  • Direct clutch pressure	•Check pressure at direct clutch tap. Refer to Other Concern: Pressure Reference Chart 401 for specifications. If not OK, check the main controls.
Main Controls  • 2-3 shift valve, check ball No. 1 or No. 3, solenoid pressure regulator valve, 2-3 backout valve, 2-3 modulator valve, orifice control valve stuck, damaged or assembled wrong	•Inspect for damage. Service as required.
•Bolts not tightened to specification.	•Tighten bolts to specification.
•SS2 malfunction	•Activate solenoid using transmission tester. If solenoid operation cannot be felt when placing hand on solenoid, replace solenoid. Inspect O-rings for damage. Service as required.
•Gaskets damaged	•Inspect for damage and replace.
•Output shaft seals damaged or cup plug leaking or missing	•Inspect for damage and service as required.
•2-3 accumulator damaged or stuck	•Inspect piston seal and bore for damage. Service as required.
•Solenoid screen (in main control) blocked or damaged	•Clean or replace screen.
Intermediate Overrunning Clutch Assembly  • Not overrunning or damaged	•Inspect for damage. Service as required.
Output Shaft  • Seal rings damaged	•Inspect for damage. Service as required.
•Cup plug damaged or missing
Direct Clutch Assembly  • Seals or piston damaged	•Inspect for damage. Service as required.
•Friction elements worn or damaged	•Inspect for damage. Service as required.
•Check ball not seating	•Inspect for damage. Service as required.
•Return spring assembly damaged	•Inspect for damage. Service as required.
Case  • Output shaft rear seals leaking or damaged	•Inspect for damage. Service as required. Inspect case for damaged seal area. If damaged, replace case.

Shift Concerns: No 3-4 Shift (Automatic)

Possible Component	Reference/Action
222 — ELECTRICAL ROUTINE
Powertrain Control System  • Electrical inputs/outputs, vehicle wiring harnesses, PCM, shift solenoids, OSS, transmission control switch (TCS)	•Run Self-Test. Refer to Powertrain Control/Emissions Diagnosis Manual for diagnosis. Perform Pinpoint Tests A and F using Rotunda Transmission Tester (007-00085) or equivalent, as outlined. Service as required. Clear codes, road test and rerun Self-Test.
322 — HYDRAULIC/MECHANICAL ROUTINE
Shift Linkage, MLP Sensor  • Damaged or misadjusted	•Inspect and service as required. Adjust linkage as outlined. After servicing linkage, verify that the MLP sensor is properly adjusted. Refer to Transmission, Assembly.
Improper Pressures  • Forward clutch pressure, direct clutch pressure, line pressure	•Check line, direct and forward clutch pressures at appropriate taps. Refer to Other Concern: Pressure Reference Chart 401 for specifications. If pressures are out of specification, check main controls.
Main Controls  • 3-4 shift valve, solenoid pressure regulator valve, OD servo regulator, 3-4 capacity modulator valve, 2-3 backout valve, orifice control valve, 1-2 and 2-3 shift valves stuck, damaged or assembled wrong	•Inspect for damaged and service as required.
•Bolts not tightened to specification.	•Tighten bolts to specification.
•SS1 or SS2 malfunction	•Activate solenoid using transmission tester. If solenoid operation cannot be felt when placing hand on solenoid, replace solenoid. Inspect O-rings for damage. Service as required.
•Gaskets damaged	•Inspect for damage and replace.
•OD servo cover, rod and piston cushion spring or seals damaged	•Inspect for damage. Service as required.
•No's 1, 2, 4 and 7 check balls damaged or missing	•Inspect for damage. Service as required.
•Solenoid screen (in main control) blocked or damaged	•Clean or replace screen.
Pump  • Porosity/cross leaks, balls missing, damaged or leaking	•Inspect for porosity/leaks, balls missing. Replace pump as required.
•Gaskets damaged	•Inspect for damage. Replace as required.
OD Band  • OD band and reverse clutch drum assembly damaged, worn or assembled wrong	•Inspect for damage and service as required.
•Intermediate overrunning clutch assembly damaged	•Inspect for damage. Service as required.
Forward Clutch Assembly  • Seals or piston damaged	•Inspect for damage. Service as required.
•Friction elements worn or damaged	•Inspect for damage. Service as required.
•Check ball stuck, damaged or not seating properly	•Inspect for damage. Service as required.
Input Shaft  • Seals damaged	•Inspect for damage. Service as required.

Shift Concerns: No 4-3 Shift (Automatic)

Possible Component	Reference/Action
223 — ELECTRICAL ROUTINE
Powertrain Control System  • Electrical inputs/outputs, vehicle wiring harnesses, PCM, shift solenoids, transmission control switch (TCS)	•Run Self-Test. Refer to Powertrain Control/Emissions Diagnosis Manual for diagnosis. Perform Pinpoint Test A using Rotunda Transmission Tester (007-00085) or equivalent, as outlined. Service as required. Clear codes, road test and rerun Self-Test.
323 — HYDRAULIC/MECHANICAL ROUTINE
Improper Pressures  • Forward clutch pressure, line pressure	•Check line and forward clutch at pressure taps. Refer to Other Concern: Pressure Reference Chart 401 for specifications. If out of specification, check main controls.
Main Controls  • 3-4 shift valve, solenoid pressure regulator valve, OD servo regulator, 3-4 capacity modulator, orifice control valve, 2-3 backout valve, 1-2, 2-3 shift valves stuck, damaged or assembled wrong	•Inspect for damage. Service as required.
•Check balls No. 1, No. 2, No. 7 damaged, missing or not seating properly	•Inspect for damage. Service as required.
•Bolts not tightened to specification	•Tighten bolts to specification.
•SS1 malfunction	•Activate solenoid using transmission tester. If solenoid operation cannot be felt when placing hand on solenoid, replace solenoid. Inspect O-rings for damage. Service as required.
•Gaskets damaged	•Inspect for damage and replace.
•OD servo, seal, rod damaged	•Inspect for damage. Service as required.
•Solenoid screen (in main control) blocked or damaged	•Clean or replace screen.
Pump  • Porosity/cross leaks, balls missing, damaged or leaking	•Inspect for porosity/leaks, balls missing. Replace pump as required.
•Seal rings damaged.	•Inspect for damage. Service as required.
•Gaskets damaged	•Inspect for damage and replace.
Overdrive Band  • OD band and reverse clutch assembly damaged, worn or assembled wrong	•Inspect for damage. Service as required.
•Intermediate overrunning clutch assembly damaged	•Inspect for damage. Service as required.
Forward Clutch Assembly  • Seals or piston damaged	•Inspect for damage. Service as required.
•Friction elements damaged, worn	•Inspect for damage. Service as required.
•Check ball stuck, damaged or not seating properly	•Inspect for damage. Service as required.
•Forward clutch piston and return spring damaged	•Inspect for damage. Service as required.
Input Shaft  • Seals damaged	•Inspect for damage. Service as required.

Shift Concerns: No 3-2 Shift (Automatic)

Possible Component	Reference/Action
224 — ELECTRICAL ROUTINE
Powertrain Control System  • Electrical inputs/outputs, vehicle wiring harnesses, PCM, shift solenoids	•Run Self-Test. Refer to Powertrain Control/Emissions Diagnosis Manual for diagnosis. Perform Pinpoint Test A using Rotunda Transmission Tester (007-00085) or equivalent, as outlined. Service as required. Clear codes, road test and rerun Self-Test.
324 — HYDRAULIC/MECHANICAL ROUTINE
Improper Pressures  • Direct clutch	•Check pressure at direct clutch tap. Refer to Other Concern: Pressure Reference Chart 401 for specifications. If not within specification, check main controls.
Main Controls  • 2-3 shift valve stuck or damaged	•Inspect for damage. Service as required
•Check balls damaged or missing	•Inspect for damage. Service as required.
•Bolts not tightened to specification	•Tighten bolts to specification.
•SS2 malfunction	•Activate solenoid using transmission tester. If solenoid operation cannot be felt when placing hand on solenoid, replace solenoid. Inspect O-rings for damage. Service as required.
•Gaskets damaged	•Inspect for damage and replace.
Intermediate One-Way Clutch  • Not holding or damaged	•Inspect for damage. Service as required.
Direct Clutch Assembly  • Seals or piston damaged	•Inspect for damage. Service as required.
•Friction element damaged, worn	•Inspect for damage. Service as required.
•Check ball stuck, damaged or not seating properly	•Inspect for damage. Service as required.

Shift Concerns: No 2-1 Shift (Automatic)

Possible Component	Reference/Action
225 — ELECTRICAL ROUTINE
Powertrain Control System  • Electrical inputs/outputs, vehicle wiring harnesses, PCM, shift solenoids	•Run Self-Test. Refer to Powertrain Control/Emissions Diagnosis Manual for diagnosis. Perform Pinpoint Test A using Rotunda Transmission Tester (007-00085) or equivalent, as outlined. Service as required. Clear codes, road test and rerun Self-Test.
325 — HYDRAULIC/MECHANICAL ROUTINE
Improper Pressures  • Intermediate clutch	•Check pressure at intermediate clutch tap. Refer to Other Concern: Pressure Reference Chart 401 for specifications. If not within specifications, check Main Controls and Pump.
Main Controls  • 1-2 shift valve, 1-2 accumulator solenoid pressure regulator valve stuck, damaged or assembled wrong	•Inspect for damage. Service as required.
•Bolts not tightened to specification	•Tighten bolts to specification.
•SS1 malfunction	•Activate solenoid using transmission tester. If solenoid operation cannot be felt when placing hand on solenoid, replace solenoid. Inspect O-rings for damage; service as required.
•Gaskets damaged	•Inspect for damage and replace.
Pump  • Gaskets damaged	•Inspect for damage and replace.
•Porosity/cross leaks	•Inspect for leak/porosity. Replace pump as required.
Intermediate Clutch Assembly  • Piston damaged	•Inspect for damage. Service as required.
•Friction elements damaged, worn	•Inspect for damage. Service as required.
•End clearance improper	•Inspect and correct as outlined under Transmission, Assembly
Intermediate One-Way Clutch  • Damaged	•Inspect for damage. Service as required.
Low One-Way Clutch  • Not holding or damaged	•Inspect for damage. Service as required.

Torque Converter Operation Concerns: No Apply

Possible Component	Reference/Action
240 — ELECTRICAL ROUTINE
Powertrain Control System  • Electrical inputs/outputs, vehicle wiring harnesses, PCM, torque converter clutch (TCC) solenoid, TOT sensor, OSS	•Run Self-Test. Refer to Powertrain Control/Emissions Diagnosis Manual for diagnosis. Perform Pinpoint Tests B, C, and F using Rotunda Transmission Tester (007-00085) or equivalent, as outlined. Service as required. Clear codes, road test and rerun Self-Test.
340 — HYDRAULIC/MECHANICAL ROUTINE
Shift Linkage  • Damaged, misadjusted	•Inspect and service as required. Adjust linkage as outlined. After servicing linkage, verify that the MLP sensor is properly adjusted. Refer to Transmission, Assembly.
Improper Pressures  • Low line pressure, low EPC pressure	•Check pressure at line and EPC taps. Refer to Other Concern: Pressure Reference Chart 401 for specifications. If pressure is low, check EPC and main regulator valve. If within specification, check main controls.
Main Controls  • Solenoid pressure regulator valve, manual valve, bypass clutch control valve and plunger, converter pressure limit valve, drain back valve stuck, damaged or assembled wrong	•Inspect for damage and service as required.
•Bolts not tightened to specification	•Tighten bolts to specification.
•Solenoid screen (in valve body) blocked or damaged	•Clean or replace screen.
•TCC solenoid malfunction	•Activate solenoid using transmission tester. If solenoid operation cannot be felt when placing hand on solenoid, replace solenoid. Inspect O-rings for damage. Service as required.
•Gaskets damaged	•Inspect for damage and replace.
Pump Assembly  • Bolts not tightened to specification	•Tighten bolts to specification.
•Porosity/cross leaks, balls leaking	•Inspect for porosity/leaks, ball missing. Replace pump as required.
•Gaskets damaged	•Inspect for damage and replace.
Input Shaft  • Seals damaged	•Inspect for damage. Service as necessary.
Torque Converter Assembly  • Leakage, friction material damaged, internal seals damaged	•Inspect torque converter as outlined. Service or replace as required.

Torque Converter Operation Concerns: Always Applied/Stalls Vehicle

Possible Component	Reference/Action
241 — ELECTRICAL ROUTINE
Powertrain Control System  • Electrical inputs/outputs, vehicle wiring harnesses, PCM, torque converter clutch (TCC) solenoid, TOT sensor	•Run Self-Test. Refer to Powertrain Control/Emissions Diagnosis Manual for diagnosis. Perform Pinpoint Tests B and C using Rotunda Transmission Tester (007-00085) or equivalent, as outlined. Service as required. Clear codes, road test and rerun Self-Test.
341 — HYDRAULIC/MECHANICAL ROUTINE
Main Controls  • Drain back valve, torque converter clutch and plunger stuck, damaged or assembled wrong	•Inspect for damage and service as required.
•Bolts not tightened to specification	•Tighten bolts to specification.
•TCC solenoid malfunction	•Activate solenoid using transmission tester. If solenoid operation cannot be felt when placing hand on solenoid, replace solenoid. Inspect O-rings for damage. Service as required.
•No. 7 ball improper seating	•Inspect for damage. Service as required.
•Gaskets damaged	•Inspect for damage and replace.
Pump Assembly  • Bolts not tightened to specification	•Tighten bolts to specification.
•Ball missing, leaking, porosity/cross leaks	•Inspect for porosity/leaks, balls missing. Replace pump as required.
•Gaskets damaged	•Inspect for damage and replace.
Input Shaft  • Seals damaged	•Inspect for damage. Service as required.
Torque Converter Assembly  • No end clearance	•Inspect converter as outlined and replace as required.
•Piston plate damaged or stuck to cover	•If cover is heat-stained, replace converter.

Torque Converter Operation Concerns: Cycling/Shudder/Chatter

Possible Component	Reference/Action
242 — ELECTRICAL ROUTINE
Powertrain Control System  • Electrical inputs/outputs, vehicle wiring harnesses, PCM, torque converter clutch (TCC) solenoid, OSS	•Run Self-Test. Refer to Powertrain Control/Emissions Diagnosis Manual for diagnosis. Perform Pinpoint Tests C and F using Rotunda Transmission Tester (007-00085) or equivalent, as outlined. Service as required. Clear codes, road test and rerun Self-Test.
342 — HYDRAULIC/MECHANICAL ROUTINE
Fluid Condition	•Inspect fluid condition. If burnt, drain fluid and converter. Replace fluid and filter assembly. Bring vehicle to normal operating temperature. Perform Drive Cycle Test as outlined. Perform Self-Test. If condition still exists, continue diagnostics.
Main Controls  • Solenoid pressure regulator valve, No. 7 check ball, bypass clutch control valve and plunger, converter pressure limit valve stuck, damaged or assembled wrong	•Inspect for damage. Service as required.
•Bolts not tightened to specification	•Tighten bolts to specification.
•Solenoid screen (in valve body) blocked or damaged	•Clean or replace screen.
•TCC solenoid malfunction	•Activate solenoid using transmission tester. If solenoid operation cannot be felt when placing hand on solenoid, replace solenoid. Inspect O-rings for damage. Service as required.
•Gaskets damaged	•Inspect for damage and replace.
Pump Assembly  • Bolts not tightened to specification	•Tighten bolts to specification.
•Porosity/cross leaks, balls missing or leaking	•Inspect for porosity/leaks or balls missing. Replace pump as required.
•Gaskets damaged	•Inspect for damage and replace.
Input Shaft  • Seals damaged	•Inspect for damage. Service as required.
Torque Converter  • Excessive end clearance	•Inspect converter as outlined. Replace as required.

Other Concerns: No Engine Braking In 2nd Gear, Manual 2nd or Manual 1st Position

Possible Component	Reference/Action
250 — ELECTRICAL ROUTINE
•No Electrical Concerns
350 — HYDRAULIC/MECHANICAL ROUTINE
Shift Linkage  • Damaged or misadjusted	•Inspect and service as required. Adjust linkage as outlined. After servicing linkage, verify that the MLP sensor is properly adjusted. Refer to Transmission, Assembly.
Main Controls  • 3-4 shift valve, 1-2 and 2-3 shift valve, gaskets, orifice control valve, 3-4 capacity modulator valve, stuck or damaged or assembled wrong	•Inspect for damage. Service as required.
•OD servo assembly damaged or stuck	•Inspect cover, piston and seal for damage. Service as required.
Overdrive  • OD band, reverse clutch drum assembly worn or damaged	•Inspect for damage. Service as required.
•Intermediate overrunning clutch assembly damaged	•Inspect for damage. Service as required.

Other Concerns: Shift Lever Efforts High

Possible Component	Reference/Action
251 — ELECTRICAL ROUTINE
•No Electrical Concerns
351 — HYDRAULIC/MECHANICAL ROUTINE
Shift Linkage, MLP Sensor  • Damaged or misadjusted	•Inspect and service as required. Adjust linkage as outlined. After servicing linkage, verify that the MLP sensor is properly adjusted. Refer to Transmission, Assembly.
Manual Lever  • Retaining pin damaged, nut loose, detent spring bent or damaged or PARK mechanism damaged	•Inspect for damage. Service as required.
Main Controls  • Manual valve stuck or damaged	•Inspect for damage. Service as required.
•Bolts not tightened to specification	•Tighten bolts to specification.

Other Concerns: External Leaks

Possible Component	Reference/Action
252 — ELECTRICAL ROUTINE
Powertrain Control System  • Electrical inputs/outputs, sensor seals leaking (MLP, OSS, VSS or transmission connector)	•Inspect for leakage and service as required.
352 — HYDRAULIC/MECHANICAL ROUTINE
Seals, Gaskets  • Converter, pump, pan, extension housing - gasket/seal, manual lever, oil level indicator tube	•Locate source of leak. Service as required.
Other  • Cooler fitting, pressure taps, converter drain plug, band anchor pins, cooler lines, case porosity, case cracked	•Locate source of leak. Service as required.
•Vent blocked or damaged	•Check vent for damage or blockage. Service as required.

Other Concerns: Poor Vehicle Performance

Possible Component	Reference/Action
253 — ELECTRICAL ROUTINE
Powertrain Control System  • Electrical inputs/outputs, vehicle wiring harnesses, shift solenoids, MLP sensor, torque converter clutch (TCC) solenoid, transmission oil temperature (TOT) sensor	•Run Self-Test. Refer to Powertrain Control/Emissions Diagnosis Manual for diagnosis. Perform Pinpoint Tests A, B, C and D using Rotunda Transmission Tester (007-00085) or equivalent, and MLP Tester Adapter (007-00086) or equivalent, as outlined. Service as required. Clear codes, road test and rerun Self-Test. Also refer to Routines 241/341 Torque Converter Operation Concern: Always Applied.
353 — HYDRAULIC/MECHANICAL ROUTINE
Shift Linkage, MLP Sensor  • Damaged or misadjusted	•Inspect and service as required. Adjust linkage as outlined. After servicing linkage, verify that the MLP sensor is properly adjusted. Refer to Transmission, Assembly.
Verify Proper Shift Scheduling and Engagements	•Go to the appropriate Diagnostic Routines.
Torque Converter Clutch Always Applied	•Go to Hydraulic/Mechanical Routine 241/341.
Torque Converter Clutch  • Damaged	•Inspect torque converter as outlined. Replace as outlined.

Other Concerns: Noise/Vibration — Forward Or Reverse

Possible Component	Reference/Action
254 — ELECTRICAL ROUTINE
•No Electrical Concerns
354 — HYDRAULIC/MECHANICAL ROUTINE
For Noises/Vibrations That Change With Engine Speed:  • Converter components	•Locate source of disturbance. Service as required.
Fluid level (low) pump cavitation  • Pump assembly
•Engine drive accessories
•Cooler lines grounding out
•Flywheel
For Noises/Vibrations That Change With Vehicle Speed:  • Engine mounts loose or damaged	•Locate source of disturbance and service as required.
•Driveline concerns: u-joints rear axle suspension modifications
•1st Gear: low one-way clutch gearset friction elements
•2nd Gear: intermediate one-way clutch intermediate clutch piston bleed hole out of 12 O'clock position friction elements
•3rd Gear: torque converter anti-clunk spring friction elements
•4th Gear: gear set friction elements torque converter	•Refer to the following shift routine(s) for further diagnosis: Shift 1-2, Routine , 320 Shift 2-3, Routine , 321 Shift 3-4, Routine , 322 Shift 4-3, Routine , 323 Shift 3-2, Routine , 324 Shift 2-1, Routine , 325 Torque Converter Cycling 242/342
•Reverse: gear set friction elements
•Output shaft splines worn or damaged
Other Noises/Vibrations:  • Main Controls, valve resonance
•Shift Cable: vibration grounding cooler lines grounding	•Locate source of disturbance and service as required.

Other Concerns: Engine Will Not Crank

Possible Component	Reference/Action
255 — ELECTRICAL ROUTINE
Powertrain Control System  • Electrical inputs/outputs, vehicle wiring harnesses, engine starting system hardware, MLP sensor	•Run Self-Test. Refer to Powertrain Control/Emissions Diagnosis Manual for diagnosis. Perform Pinpoint Test D using MLP Tester Adapter (007-00086) or equivalent, as outlined. Service and adjust as required.
355 — HYDRAULIC/MECHANICAL ROUTINE
Shift Linkage, MLP Sensor  • Damaged or misadjusted	•Inspect and service as required. Adjust linkage as outlined. After servicing linkage, verify that the MLP sensor is properly adjusted. Refer to Transmission, Assembly.

Other Concerns: No Park Range

Possible Component	Reference/Action
256 — ELECTRICAL ROUTINE
•No Electrical Concerns
356 — HYDRAULIC/MECHANICAL ROUTINE
Shift Linkage, MLP Sensor  • Damaged or misadjusted	•Inspect and service as required. Adjust linkage as outlined. After servicing linkage, verify that the MLP sensor is properly adjusted. Refer to Transmission, Assembly.
Park Mechanism  • Output shaft ring, park brake pawl, parking pawl return spring, park rod guide cup, parking pawl shaft, parking pawl actuating rod, manual lever, manual lever detent spring damaged or assembled wrong	•Inspect for damage or wrong assembly and service as required.

Other Concerns: Transmission Overheating

Possible Component	Reference/Action
257 — ELECTRICAL ROUTINE
Refer to Routine 240/340, Torque Converter Operation Concern: No Apply
357 — HYDRAULIC/MECHANICAL ROUTINE
Fluid  • Improper level	•Adjust fluid to proper level.
•Condition	•Inspect as outlined under Transmission Fluid Condition Check.
Cooler Lines  • Damaged, blocked or reversed	•Inspect for damage and proper installation. Service as required.
Auxiliary Cooler  • Damaged, blocked or restricted or improperly installed	•Inspect for damage and proper installation. Service as required.
Vehicle Concerns Causing Engine Overheating	•Refer to Section 03-03
Main Controls  • Drain back valve, torque clutch control valve, converter limit valve stuck, damaged or assembled wrong	•Inspect for damage and service as required.
Torque Converter  • No Apply	•Refer to Routine 240/340.

 CAUTION: Do not install Transmission Tester when verifying these pressures.

NOTE: Vehicle harness must be installed at transmission connector to verify these pressures.

NOTE: Pressures may vary with model.

Other Concern: Pressure Reference Chart 401A (3.8L) 

Pressures At Idle
Gear	EPC	Line	Forward Clutch	Intermediate Clutch	Direct Clutch
1M	103-172 kPa	517-627 kPa	482-613 kPa	0-34 kPa	0-34 kPa
1D	(15-25 psi)	(75-91 psi)	(70-89 psi)	(0-5 psi)	(0-5 psi)
2M	103-172 kPa	517-627 kPa	482-613 kPa	482-613 kPa	0-34 kPa
2D	(15-25 psi)	(75-91 psi)	(70-89 psi)	(70-89 psi)	(0-5 psi)
3	103-172 kPa	517-627 kPa	482-613 kPa	482-613 kPa	482-613 kPa
	(15-25 psi)	(75-91 psi)	(70-89 psi)	(70-89 psi)	(70-89 psi)
4	103-172 kPa	517-627 kPa	0-34 kPa	482-613 kPa	482-613 kPa
	(15-25 psi)	(75-91 psi)	(0-5 psi)	(70-89 psi)	(70-89 psi)
R	0-69 kPa	372-661 kPa	0-34 kPa	0-34 kPa	0-34 kPa
	(0-10 psi)	(54-96 psi)	(0-5 psi)	(0-5 psi)	(0-5 psi)
P	0-69 kPa	220-462 kPa	0-34 kPa	0-34 kPa	0-34 kPa
	(0-10 psi)	(32-67 psi)	(0-5 psi)	(0-5 psi)	(0-5 psi)
N	103-172 kPa	517-627 kPa	0-34 kPa	0-34 kPa	0-34 kPa
	(15-25 psi)	(75-91 psi)	(0-5 psi)	(0-5 psi)	(0-5 psi)
Pressures at Wide Open Throttle (WOT) Stall
1M	572-641 kPa	1102-1447 kPa	1047-1447 kPa	0-34 kPa	0-34 kPa
1D	(83-93 psi)	(160-210 psi)	(152-210 psi)	(0-5 psi)	(0-5 psi)
2M	572-641 kPa	1102-1447 kPa	1047-1447 kPa	1047-1447 kPa	0-34 kPa
	(83-93 psi)	(160-210 psi)	(152-210 psi)	(152-210 psi)	(0-5 psi)
R	572-641 kPa	1337-1750 kPa	0-34 kPa	0-34 kPa	0-34 kPa
	(83-93 psi)	(194-254 psi)	(0-5 psi)	(0-5 psi)	(0-5 psi)

Other Concern: Pressure Reference Chart 401B (5.0L) 

Pressures At Idle
Gear	EPC	Line	Forward Clutch	Intermediate Clutch	Direct Clutch
1M	0-69 kPa	220-462 kPa	186-448 kPa	0-34 kPa	0-34 kPa
1D	(0-10 psi)	(32-67 psi)	(27-65 psi)	(0-5 psi)	(0-5 psi)
2M	0-69 kPa	220-462 kPa	186-448 kPa	186-448 kPa	0-34 kPa
2D	(0-10 psi)	(32-67 psi)	(27-65 psi)	(27-65 psi)	(0-5 psi)
3	0-69 kPa	220-462 kPa	186-448 kPa	186-448 kPa	186-448 kPa
	(0-10 psi)	(32-67 psi)	(27-65 psi)	(27-65 psi)	(27-65 psi)
4	0-69 kPa	220-462 kPa	0-34 kPa	186-448 kPa	186-448 kPa
	(0-10 psi)	(32-67 psi)	(0-5 psi)	(27-65 psi)	(27-65 psi)
R	0-69 kPa	372-661 kPa	0-34 kPa	0-34 kPa	0-34 kPa
	(0-10 psi)	(54-96 psi)	(0-5 psi)	(0-5 psi)	(0-5 psi)
P	0-69 kPa	220-462 kPa	0-34 kPa	0-34 kPa	0-34 kPa
	(0-10 psi)	(32-67 psi)	(0-5 psi)	(0-5 psi)	(0-5 psi)
N	0-69 kPa	220-462 kPa	0-34 kPa	0-34 kPa	0-34 kPa
	(0-10 psi)	(32-67 psi)	(0-5 psi)	(0-5 psi)	(0-5 psi)
Pressures at Wide Open Throttle (WOT) Stall
1M	572-641 kPa	1102-1447 kPa	1047-1447 kPa	0-34 kPa	0-34 kPa
1D	(83-93 psi)	(160-210 psi)	(152-210 psi)	(0-5 psi)	(0-5 psi)
2M	572-641 kPa	1102-1447 kPa	1047-1447 kPa	1047-1447 kPa	0-34 kPa
	(83-93 psi)	(160-210 psi)	(152-210 psi)	(152-210 psi)	(0-5 psi)
R	572-641 kPa	1337-1750 kPa	0-34 kPa	0-34 kPa	0-34 kPa
	(83-93 psi)	(194-254 psi)	(0-5 psi)	(0-5 psi)	(0-5 psi)

Other Concern: Clutch And Band Application Chart 601

	Interim Friction Clutch	Interim One-Way Clutch	Overdrive Band	Reverse Clutch
1st Gear—Manual Low
2nd Gear—Manual Low	Applied	Holding	Applied
1st Gear—D(OVERDRIVE) or D(3)
2nd Gear—D(OVERDRIVE) or D(3)	Applied	Holding
3rd Gear—D(OVERDRIVE) or D(3)	Applied
4th Gear—D(OVERDRIVE)	Applied		Applied
Reverse (R)				Applied

	Forward Clutch	Planetary One-Way Clutch	Reverse Band	Direct Clutch
1st Gear—Manual Low	Applied	Holding	Applied
2nd Gear—Manual Low	Applied
1st Gear—D(OVERDRIVE) or D(3)	Applied	Holding
2nd Gear—D(OVERDRIVE) or D(3)	Applied
3rd Gear—D(OVERDRIVE) or D(3)	Applied			Applied
4th Gear—D(OVERDRIVE)				Applied
Reverse (R)			Applied

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