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
  • Oxygen Sensor - Code 13 Set/MIL ON
  • ECM - Failures
  • Engine Controls - Intermittent Check Engine, Code 22, 34
  • Engine - Reduced Performance, Poor Idle or Surge
  • Torque Converter - Shudder Immediately After Engagement
  • A/T - Torque Converter Clutch Shudder
    • Overview
    • TCC Crowd Shudder & TCC Apply Shudder
    • Chart 1 U.S. Models
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Engine Controls - Static Electrical Damage Precaution
  • Chattering
    • Torque Converter - Shudder Immediately After Engagement
  • 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
    • Oxygen Sensor - Code 13 Set/MIL ON
    • ECM - Failures
    • Engine Controls - Intermittent Check Engine, Code 22, 34
    • Engine - Reduced Performance, Poor Idle or Surge
    • Torque Converter - Shudder Immediately After Engagement
    • A/T - Torque Converter Clutch Shudder
      • Overview
      • TCC Crowd Shudder & TCC Apply Shudder
      • Chart 1 U.S. Models
  • Driveability
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Engine - Reduced Performance, Poor Idle or Surge
    • Fuel - Idle Speed Control Explanation
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • False instrument warning light/gauges
    • Oxygen Sensor - Code 13 Set/MIL ON
    • Engine Controls - Intermittent Check Engine, Code 22, 34
  • Inoperative
    • ECM - Failures
  • Out of specification
    • Engine - Reduced Performance, Poor Idle or Surge
  • Vibration
    • A/T - Torque Converter Clutch Shudder
      • Overview
      • TCC Crowd Shudder & TCC Apply Shudder
      • Chart 1 U.S. Models
• 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 - ECM May Contain Wrong PROM
  • Oxygen Sensor - Code 13 Set/MIL ON
  • Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
  • ECM - Failures
  • ECM/PCM - Damaged and/or Mis-Diagnosed
  • Engine Controls - MAP Chart, DTC's 33, 34 ,63 ,64
    • Overview
    • Chart C-1D
    • Code 33
    • Code 34
    • Code 63
    • Code 64
  • Engine Controls - Intermittent Check Engine, Code 22, 34
  • EFI Diagnostic Charts - Updated
    • Overview
    • 1982-1983 Chart - "Diagnostic Circuit Check"
    • 1982-1983 Chart - "Field Service Mode Check"
    • 1982-1983 Chart 4
    • 1983 Chart 4A
    • 1983 Chart 8
    • 1983 Chart 11
    • 1982 Chart 11
    • 1983.5 Chart 11B (One-Board ECM)
    • 1982-1983 Chart - "Code 24"
  • Engine Controls - Diagnostic Chart Revisions
  • Monitor II - Update Program
  • Engine Controls - Static Electrical Damage Precaution
  • Igntion System - Revised Diagnostic Chart C-4B
  • Revised CCC and EFI Diagnostic Charts
    • Overview
    • CCC
      • *1983 Chart - "Idle Speed Solenoid - Throttle Kicker"
      • 1983 Chart - "Code 12, (Except Hall Switch)"
      • 1983 Chart - "Code 12 (Hall Switch)"
      • 1983 Chart 4
      • 1983 Chart - "Code 24"
      • 1983 Chart - "Pulse Width Modulated (PWM) EGR Check"
      • 1983 Chart - "EGR Valve Check"
      • 1983 Chart - "EFE (Vacuum Servo) Check"
      • 1982/1983 Chart - "Engine Cranks But Will Not Run (Remote Coil)"
      • 1982/1983 Chart - "Engine Cranks But Will Not Run (Integral Coil)"
      • 1982 Chart - "Code 42"
      • 1982 Chart - "EGR Valve Check - 3.0L V6"
      • 1982 Chart - "TCC Electrical Diagnosis"
      • 1982 Chart 2
      • 1981 Chart - "Code 34"
    • EFI
      • 1983 Chart - "Field Service Mode Check"
      • 1983 Chart 3
      • *1983 Chart 8
      • *1983 Chart 9 (Two Pages)
      • 1983 Chart 11
      • 1983 Chart - "Code 24"
      • 1983 Chart - "Code 42"
      • 1982/1983 Chart - "Code 44"
  • Engine Controls - Updated Rough/Unstable Idle Chart
  • Computer & Controls - Integrator/Block Learn Operation
  • TPS - Settings
  • Engine Controls - TPS Specifications
  • Engine - Reduced Performance, Poor Idle or Surge
  • Fuel - Idle Speed Control Explanation
  • Idle Speed Control Assembly - Repair Kit
  • Fuel System - Revised Mixture Control Adjustments
  • Torque Converter - Shudder Immediately After Engagement
  • ECM - Revised Replacement Procedure
  • ECM - Packard 32 Way Connector Identification
  • O2 Sensor - New Type Release
  • Oxygen Sensors - Silica Contamination
  • A/T - Torque Converter Clutch Shudder
    • Overview
    • TCC Crowd Shudder & TCC Apply Shudder
    • Chart 1 U.S. Models
  • Coolant Temperature Sensor - Sensor Kit
  • PROM/MEMCAL - Identification Marks