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
  • PROM - Stalls, Long Cranks/Idle/Decel Surge
  • A/T - Loss of Drive or Erratic Shifts
• 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
    • PROM - Stalls, Long Cranks/Idle/Decel Surge
    • A/T - Loss of Drive or Erratic Shifts
  • Driveability
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • PROM - Stalls, Long Cranks/Idle/Decel Surge
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • A/T - Loss of Drive or Erratic Shifts
  • Inoperative
    • A/T - Loss of Drive or Erratic Shifts
  • Poor performance
    • PROM - Stalls, Long Cranks/Idle/Decel Surge
  • Starting problems
    • PROM - Stalls, Long Cranks/Idle/Decel Surge
• 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
  • PCM - Returned Product Feedback Program
  • Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
  • No MIL Diagnostic Chart A-1 Revision
  • Engine Controls - Revised Code 43 Diagnostics
  • ECM/PCM - Damaged and/or Misdiagnosed
  • Variable Fuel Vehicle - Supplemental Manual Revision
    • Overview
    • Driveability and Emissions 6E3-C1-20
    • Driveability and Emissions 6E3-C1-21
      • Overview
      • Engine
        • Page 6A5-16
        • Page 6A5-17
        • 6A5-18
        • Page 6A5-19
        • Page 6A5-25
        • Page 6A5-30
        • Page 6A5-33
        • Page 6A5-39
        • Page 6A5-42
        • Page 6A5-44
        • Page 6A5-45
        • Page 6A5-48
        • Page 6A5-49
        • Page 6A5-50
        • Page 6A5-52
        • Specifications 6A5-55
    • Electrical Diagnosis 8A-11-1
    • Page 8A-12-1
    • Page 8A-12-2
    • Page 8A-14-4
    • Page 8A-20-0
    • Page 8A-80-0
    • Instrument Cluster: Base 8A-80-1
    • Instrument Cluster: Base 8A-80-4
    • Cluster Wire Diagram 8A-117-1
    • Interior Lights Dimming 8A-117-3
  • Typical Voltages/ECM Connector End View Charts
    • Overview
    • 2.5L VIN R
    • 3.1L VIN T
    • 3.4L VIN X
    • 1991 5.7L VIN 8
    • 1990 5.7L VIN 8
    • 1990 5.7L VIN J
    • 1991 5.7L VIN J
  • PROM - Stalls, Long Cranks/Idle/Decel Surge
  • Engine Controls - Revised Chart A-3, No Start
  • A/T - Loss of Drive or Erratic Shifts
  • ECM/PCM - Damage Prevention
  • Oxygen Sensors - Silica Contamination
  • PROM/MEMCAL - Identification Marks