Powertrain Management: Technical Service Bulletins

• Recalls
  • Recall - VECI Label Replacement
    • Overview
    • Parts
    • Owner Notification and Service Scheduling
    • Service Procedure
    • Completion Reporting and Reimbursement
    • Owner Letter
• Customer Interest
  • Fuel Pump - Filter Plugging
  • Electric Fuel Pump - High Frequency Whine
  • Engine - Driveway Die Out/Rough Idle/Low Power
  • Converter Lock Up Solenoid - Bucking/Surging
  • Converter Clutch - Vehicle Shudder on Lock Up
  • A/T - 41TE/AE 42LE Delayed Gear Engagement
    • Overview
    • Symptom/Condition
    • Diagnosis
    • Item 1 DTC 35 Loss of Prime
    • Item 2 L - R Inner and Outer Seals
    • Item 3 UD Inner Lip Seal
    • Item 4 General Seal Statement
    • Item 5 Measuring # 1 Check Ball Clearance
    • Item 6 PRNDL Switch (Non TRS)
    • Item 7 Output Speed Sensor
  • A/T - Ratcheting Sound When Coming To Stop
  • Condenser Fan Harness - Die Out With A/C ON/DTC'S Set
  • Fuel Injector - Rough Idle/Long Crank Time
  • Fuel Injectors - Long Crank Time to Start
  • PCM - Engine Knock on Acceleration
  • ECM - Rough Idle/Sag on Initial Launch
  • ECM - Engine Die Out at Low Speeds
  • A/T - A604 Intermittent Engagement or Limp In Mode
  • Throttle Body - Intermittent Power Loss
  • A/T - 41TE Harsh 2-1 Gear Downshift
  • A/T - 41TE Harsh 2nd - 1st Gear Downshift
  • A/T - Poor Shift Quality
    • Overview
    • Diagnosis
    • Repair Procedure No. 1
    • Repair Procedure No. 2
  • A/T - A604 Excessive Upshifting/Downshifting
  • A/T - A604 Intermittent Back-Up Lamps ON In Overdrive
  • Speed Sensor - Intermittent Loss of Cruise Control
  • MAP Sensor - DTC's 13 or 14 Set
• By Symptom
  • Abnormal wear/deterioration
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
  • Chattering
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
  • Customer Interest
    • Fuel Pump - Filter Plugging
    • Electric Fuel Pump - High Frequency Whine
    • Engine - Driveway Die Out/Rough Idle/Low Power
    • Converter Lock Up Solenoid - Bucking/Surging
    • Converter Clutch - Vehicle Shudder on Lock Up
    • A/T - 41TE/AE 42LE Delayed Gear Engagement
      • Overview
      • Symptom/Condition
      • Diagnosis
      • Item 1 DTC 35 Loss of Prime
      • Item 2 L - R Inner and Outer Seals
      • Item 3 UD Inner Lip Seal
      • Item 4 General Seal Statement
      • Item 5 Measuring # 1 Check Ball Clearance
      • Item 6 PRNDL Switch (Non TRS)
      • Item 7 Output Speed Sensor
    • A/T - Ratcheting Sound When Coming To Stop
    • Condenser Fan Harness - Die Out With A/C ON/DTC'S Set
    • Fuel Injector - Rough Idle/Long Crank Time
    • Fuel Injectors - Long Crank Time to Start
    • PCM - Engine Knock on Acceleration
    • ECM - Rough Idle/Sag on Initial Launch
    • ECM - Engine Die Out at Low Speeds
    • A/T - A604 Intermittent Engagement or Limp In Mode
    • Throttle Body - Intermittent Power Loss
    • A/T - 41TE Harsh 2-1 Gear Downshift
    • A/T - 41TE Harsh 2nd - 1st Gear Downshift
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
    • A/T - A604 Excessive Upshifting/Downshifting
    • A/T - A604 Intermittent Back-Up Lamps ON In Overdrive
    • Speed Sensor - Intermittent Loss of Cruise Control
    • MAP Sensor - DTC's 13 or 14 Set
  • Driveability
    • Fuel Pump - Filter Plugging
    • Engine - Driveway Die Out/Rough Idle/Low Power
    • Fuel Injector - Rough Idle/Long Crank Time
    • Throttle Body - Intermittent Power Loss
  • Erratic Operation
    • Throttle Body - Intermittent Power Loss
    • A/T - A604 Intermittent Back-Up Lamps ON In Overdrive
    • Speed Sensor - Intermittent Loss of Cruise Control
  • Erratic Shifting
    • Converter Lock Up Solenoid - Bucking/Surging
    • A/T - A604 Intermittent Engagement or Limp In Mode
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
  • Hard Shifting
    • A/T - A604 Intermittent Engagement or Limp In Mode
    • A/T - 41TE Harsh 2-1 Gear Downshift
    • A/T - 41TE Harsh 2nd - 1st Gear Downshift
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
  • Hunting-Surging
    • A/T - A604 Excessive Upshifting/Downshifting
  • Incorrect gear selection
    • A/T - A604 Excessive Upshifting/Downshifting
  • Leaks
    • Fuel Injector - Rough Idle/Long Crank Time
  • No shift/Incorrect gear engagement
    • A/T - 41TE/AE 42LE Delayed Gear Engagement
      • Overview
      • Symptom/Condition
      • Diagnosis
      • Item 1 DTC 35 Loss of Prime
      • Item 2 L - R Inner and Outer Seals
      • Item 3 UD Inner Lip Seal
      • Item 4 General Seal Statement
      • Item 5 Measuring # 1 Check Ball Clearance
      • Item 6 PRNDL Switch (Non TRS)
      • Item 7 Output Speed Sensor
  • Noise
    • Electric Fuel Pump - High Frequency Whine
    • PCM - Engine Knock on Acceleration
  • Poor performance
    • Engine - Driveway Die Out/Rough Idle/Low Power
    • ECM - Rough Idle/Sag on Initial Launch
    • Throttle Body - Intermittent Power Loss
  • Recalls
    • Recall - VECI Label Replacement
      • Overview
      • Parts
      • Owner Notification and Service Scheduling
      • Service Procedure
      • Completion Reporting and Reimbursement
      • Owner Letter
  • Slipping
    • A/T - A604 Intermittent Back-Up Lamps ON In Overdrive
  • Starting problems
    • Fuel Injector - Rough Idle/Long Crank Time
    • Fuel Injectors - Long Crank Time to Start
    • Throttle Body - Intermittent Power Loss
  • Vibration
    • Converter Clutch - Vehicle Shudder on Lock Up
• All Technical Service Bulletins
  • Flooded Engine - Service Precautions
  • Body Code - Descriptions and Tables Use
  • Fuel Pump and Filter - Replacement Information
  • Fuel Pump - Filter Plugging
  • Electric Fuel Pump - High Frequency Whine
  • Engine - Driveway Die Out/Rough Idle/Low Power
  • Converter Lock Up Solenoid - Bucking/Surging
  • Converter Clutch - Vehicle Shudder on Lock Up
  • A/T - 41TE/AE 42LE Delayed Gear Engagement
    • Overview
    • Symptom/Condition
    • Diagnosis
    • Item 1 DTC 35 Loss of Prime
    • Item 2 L - R Inner and Outer Seals
    • Item 3 UD Inner Lip Seal
    • Item 4 General Seal Statement
    • Item 5 Measuring # 1 Check Ball Clearance
    • Item 6 PRNDL Switch (Non TRS)
    • Item 7 Output Speed Sensor
  • A/T - Ratcheting Sound When Coming To Stop
  • Condenser Fan Harness - Die Out With A/C ON/DTC'S Set
  • Fuel Injector - Rough Idle/Long Crank Time
  • Fuel Injectors - Long Crank Time to Start
  • PCM - Engine Knock on Acceleration
  • ECM - Rough Idle/Sag on Initial Launch
  • ECM - Engine Die Out at Low Speeds
  • A/T - A604 Intermittent Engagement or Limp In Mode
  • Throttle Body - Intermittent Power Loss
  • A/T - 41TE Harsh 2-1 Gear Downshift
  • A/T - 41TE Harsh 2nd - 1st Gear Downshift
  • A/T - Poor Shift Quality
    • Overview
    • Diagnosis
    • Repair Procedure No. 1
    • Repair Procedure No. 2
  • A/T - A604 Excessive Upshifting/Downshifting
  • Diagnostic Test Procedure - Manual Revisions
  • California - Emissions Control System Warranty Booklet
  • Recall - VECI Label Replacement
    • Overview
    • Parts
    • Owner Notification and Service Scheduling
    • Service Procedure
    • Completion Reporting and Reimbursement
    • Owner Letter
  • Fuel Injection - Diagnostic Procedure Revision
  • Auto Computers - Y2K Effects
  • Electrical - Text/Pin Out/Graphics Manual Revisions
  • A/T - Clutch Volume Index QuIck Learn
  • A/T - A604 Intermittent Back-Up Lamps ON In Overdrive
  • Transmission Range Sensor - Production Change
  • Speed Sensor - Intermittent Loss of Cruise Control
  • A604 EATX - Wiring Repair Package
  • ABS - Dual Function Pressure Switch Availability
  • MAP Sensor - DTC's 13 or 14 Set