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
  • A/C - 'Service Air Conditioning' Displayed/False DTC's
  • Ignition - Miss, Stumble, Hesitation, Code 53, E53, E053
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • ECM - Tap Test Precautions
  • 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
    • A/C - 'Service Air Conditioning' Displayed/False DTC's
    • Ignition - Miss, Stumble, Hesitation, Code 53, E53, E053
  • Driveability
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Ignition - Miss, Stumble, Hesitation, Code 53, E53, E053
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • False instrument warning light/gauges
    • A/C - 'Service Air Conditioning' Displayed/False DTC's
    • Engine Conrtols - Code E39 Viscous Converter Clutch
      • Overview
      • I. Code E39
      • II. Diagnosis
      • III. Cooler Line Pressure Check
      • IV. Converter Clutch Apply Valve Does Not Move
      • V.Viscous Converter Clutch Slippage
  • Poor performance
    • Engine Controls - Service A/C Telltale & Codes F46/F47
  • Slipping
    • Engine Conrtols - Code E39 Viscous Converter Clutch
      • Overview
      • I. Code E39
      • II. Diagnosis
      • III. Cooler Line Pressure Check
      • IV. Converter Clutch Apply Valve Does Not Move
      • V.Viscous Converter Clutch Slippage
• 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
  • A/C - 'Service Air Conditioning' Displayed/False DTC's
  • Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
  • Engine Controls - Revised Codes E041 and E059
  • Engine Conrtols - Code E39 Viscous Converter Clutch
    • Overview
    • I. Code E39
    • II. Diagnosis
    • III. Cooler Line Pressure Check
    • IV. Converter Clutch Apply Valve Does Not Move
    • V.Viscous Converter Clutch Slippage
  • Ignition - Miss, Stumble, Hesitation, Code 53, E53, E053
  • Engine Controls - Service A/C Telltale & Codes F46/F47
  • ECM/BCM 32-Way Connector - Labeling Clarification
  • ECM/PCM - Driveability Symptom/Data Worksheet
  • ECM - Tap Test Precautions
  • ECM/PCM - Potential MEM-CAL Damage
  • Oxygen Sensors - Silica Contamination
  • BCM EPROM - Calibration Summary
  • PROM/MEMCAL - Identification Marks