Powertrain Management: Technical Service Bulletins

• Customer Interest
  • Fuel Pump - High Pitched Noise
  • Fuel Pump - Noise/Engine Power Loss
    • Overview
    • Symptom/Condition
    • Repair Procedure
  • 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
  • Fuel Injectors - Rough Idle With Cold Engine
  • PCM - Engine Knock on Acceleration
  • Door Ajar Lamp - Flickers/Locks Cycle Repeatedly
  • 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
  • Fuel Gauge - Inaccuracy
  • A/T - A604 Intermittent Back-Up Lamps ON In Overdrive
  • Speed Sensor - Intermittent Loss of Cruise Control
• 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 - High Pitched Noise
    • Fuel Pump - Noise/Engine Power Loss
      • Overview
      • Symptom/Condition
      • Repair Procedure
    • 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
    • Fuel Injectors - Rough Idle With Cold Engine
    • PCM - Engine Knock on Acceleration
    • Door Ajar Lamp - Flickers/Locks Cycle Repeatedly
    • 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
    • Fuel Gauge - Inaccuracy
    • A/T - A604 Intermittent Back-Up Lamps ON In Overdrive
    • Speed Sensor - Intermittent Loss of Cruise Control
  • Driveability
    • Fuel Pump - Noise/Engine Power Loss
      • Overview
      • Symptom/Condition
      • Repair Procedure
    • Fuel Injectors - Rough Idle With Cold Engine
  • Erratic Operation
    • A/T - A604 Intermittent Back-Up Lamps ON In Overdrive
    • Speed Sensor - Intermittent Loss of Cruise Control
  • Erratic Shifting
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
  • False instrument warning light/gauges
    • Fuel Gauge - Inaccuracy
  • Hard Shifting
    • 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
  • 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
    • Fuel Pump - High Pitched Noise
    • PCM - Engine Knock on Acceleration
  • Poor performance
    • Fuel Pump - Noise/Engine Power Loss
      • Overview
      • Symptom/Condition
      • Repair Procedure
  • Slipping
    • A/T - A604 Intermittent Back-Up Lamps ON In Overdrive
  • Vibration
    • Converter Clutch - Vehicle Shudder on Lock Up
• All Technical Service Bulletins
  • TSB - Body Code Usage
  • Idle Air Control Motor - Whistling Noise
  • Fuel Pump and Filter - Replacement Information
  • Fuel Pump Module - Wiring Connector
  • Fuel Pump - High Pitched Noise
  • Fuel Pump - Noise/Engine Power Loss
    • Overview
    • Symptom/Condition
    • Repair Procedure
  • A/C - Evaporator Freezes Up/Lack Of Cooling
  • Engine - Noise Diagnosis
  • 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
  • Fuel Injectors - Rough Idle With Cold Engine
  • PCM - Engine Knock on Acceleration
  • Door Ajar Lamp - Flickers/Locks Cycle Repeatedly
  • Fuel Tank - Slow To Fill
  • 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
  • Fuel Gauge - Inaccuracy
  • Electronic Fuel Injection - Manual Revisions
    • Overview
    • Helpful Information
    • Test DR-1A
    • Test DR-15A
    • Test DR-16A
    • Test DR-17A
    • Test DR-18A
    • Test DR-19A
    • Test DR-20A
    • Test DR-27A
    • Test DR-30A
  • EFI Diagnostic Procedure - Revision
  • Auto Computers - Y2K Effects
  • 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
  • ABS - Dual Function Pressure Switch Availability