Computers and Control Systems: Technical Service Bulletins

• Customer Interest
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Engine Controls - Poor Cold Driveability
  • Engine Controls - Rough Idle When Engine is Cold
  • ECM - Some Incorrectly Misabeled/Poor Performance
  • A/T - THM 125C Torque Converter Clutch Shudder
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Customer Interest
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Engine Controls - Poor Cold Driveability
    • Engine Controls - Rough Idle When Engine is Cold
    • ECM - Some Incorrectly Misabeled/Poor Performance
    • A/T - THM 125C Torque Converter Clutch Shudder
  • Driveability
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Engine Controls - Rough Idle When Engine is Cold
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • A/T - THM 125C Torque Converter Clutch Shudder
  • False instrument warning light/gauges
    • Engine Controls - Harness Short Intermittent Codes 22/34
  • Inoperative
    • DTC 13 (Oxygen Sensor) Set
  • Out of specification
    • ECM - Some Incorrectly Misabeled/Poor Performance
  • Poor performance
    • ECM - Some Incorrectly Misabeled/Poor Performance
  • Vibration
    • A/T - THM 125C Torque Converter Clutch Shudder
• All Technical Service Bulletins
  • Engine - THIS BULLETIN HAS BEEN CANCELED
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Engine Controls - Poor Cold Driveability
  • Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
  • ECM/PCM - Damaged and/or Misdiagnosed
  • Engine Controls - Rough Idle When Engine is Cold
  • Engine Controls - Harness Short Intermittent Codes 22/34
  • MAP - Revised Check Chart for DTC's 33, 34, 63, 64
  • Fuel System - Integrator/Block Learn Operation
  • Engine Controls - Electrostatic Discharge Damage
  • Throttle Position Sensor - Updated Specifications
  • Throttle Position Sensor - Specifications
  • Fuel - Idle Speed Control Incorrect Diagnosis
  • ECM - Some Incorrectly Misabeled/Poor Performance
  • ECM - Revised Replacement Procedure
  • Engine Controls - ECM May Contain Wrong PROM
  • Oxygen Sensor - New Design
  • DTC 13 (Oxygen Sensor) Set
  • Oxygen Sensors - Silica Contamination
  • A/T - THM 125C Torque Converter Clutch Shudder
  • Coolant Sensor - Service Kit
  • PROM/MEMCAL - Identification Marks