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 - Stalls When Cold or Poor Cold Performance
  • Poor Cold Start/A/C Performance, and Hesitation or Sag
  • ECM/PCM - Damaged or Mis-Diagnosed
  • Engine - Deceleration Stall or Long Crank on Start Up
• 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 - Stalls When Cold or Poor Cold Performance
    • Poor Cold Start/A/C Performance, and Hesitation or Sag
    • ECM/PCM - Damaged or Mis-Diagnosed
    • Engine - Deceleration Stall or Long Crank on Start Up
  • Driveability
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Engine - Stalls When Cold or Poor Cold Performance
    • Poor Cold Start/A/C Performance, and Hesitation or Sag
    • Fuel Pump - Cold Start Stall, Hesitation, Loss of Power
    • Engine - Deceleration Stall or Long Crank on Start Up
  • Erratic Operation
    • Fuel Pump - Cold Start Stall, Hesitation, Loss of Power
    • Engine - Deceleration Stall or Long Crank on Start Up
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • False instrument warning light/gauges
    • Fuel Pump - Cold Start Stall, Hesitation, Loss of Power
  • Loose
    • A/T - Revised Wiring Harnesses and Pressure Switches
  • Noise
    • Fuel Pump - Cold Start Stall, Hesitation, Loss of Power
  • Poor performance
    • Poor Cold Start/A/C Performance, and Hesitation or Sag
    • Fuel Pump - Cold Start Stall, Hesitation, Loss of Power
    • A/C - Inadequate Performance
  • Starting problems
    • Engine - Revised Chart A3 (Cranks But Will Not Start)
    • Engine - Deceleration Stall or Long Crank on Start Up
• 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 - Stalls When Cold or Poor Cold Performance
  • PCM - Returned Product Feedback Program
  • Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
  • Service Manual - DTC`s 42/P1350/P1361 Revisions
  • ECM Controlled Hot Light - Chart C-16 Revision
  • Poor Cold Start/A/C Performance, and Hesitation or Sag
  • ECM/PCM - Damaged or Mis-Diagnosed
  • ECM/PCM - Damage Prevention
  • Fuel Pump - Cold Start Stall, Hesitation, Loss of Power
  • Engine - Revised Chart A3 (Cranks But Will Not Start)
  • MAP - Revised Output Chart for Codes 33, 34, 63, and 64
  • ECM - Revised Wiring Diagram
  • Engine Controls - Revised Code 26 (QDM Circuit) Charts
    • Overview
    • A Carline (Cutlass Ciera)
      • Part 1 of 3
      • Part 2 of 3
      • Part 3 of 3
    • N Carline (Cutlass Calais)
      • Part 1 of 3
      • Part 2 of 3
      • Part 3 of 3
  • Computer & Controls - Explanation of Code 12 Flashing
  • A/C - Inadequate Performance
  • Engine - Deceleration Stall or Long Crank on Start Up
  • Oxygen Sensors - Silica Contamination
  • A/T - Revised Wiring Harnesses and Pressure Switches
  • PROM/MEMCAL - Identification Marks