Computers and Control Systems: Technical Service Bulletins

• Customer Interest
  • Restraints - Air Bag Lamp ON/DTC's B1876/B1880/B1920
  • CNG Fuel System - Hard Start/DTC's Set/Low Power
  • Emissions - MIL ON/DTC's Stored/Check Fuel Cap Lamp ON
  • Engine Controls - Engine Surge/Rolling Idle/DTC's Set
    • Overview
    • Service Procedure
  • Engine Controls - DTC P1635 Set After PCM/IC Replacement
    • Overview
    • Service Procedure
  • Speedometer Defective,, 4X4 Lamp ON, DTCs P1635/P1639
  • Bi-Fuel System - No Start Condition
• By Symptom
  • Abnormal wear/deterioration
    • CNG Fuel System - Hard Start/DTC's Set/Low Power
  • Customer Interest
    • Restraints - Air Bag Lamp ON/DTC's B1876/B1880/B1920
    • CNG Fuel System - Hard Start/DTC's Set/Low Power
    • Emissions - MIL ON/DTC's Stored/Check Fuel Cap Lamp ON
    • Engine Controls - Engine Surge/Rolling Idle/DTC's Set
      • Overview
      • Service Procedure
    • Engine Controls - DTC P1635 Set After PCM/IC Replacement
      • Overview
      • Service Procedure
    • Speedometer Defective,, 4X4 Lamp ON, DTCs P1635/P1639
    • Bi-Fuel System - No Start Condition
  • Driveability
    • CNG Fuel System - Hard Start/DTC's Set/Low Power
  • Erratic Operation
    • CNG Fuel System - Hard Start/DTC's Set/Low Power
  • False instrument warning light/gauges
    • Speedometer Defective,, 4X4 Lamp ON, DTCs P1635/P1639
  • Inoperative
    • Speedometer Defective,, 4X4 Lamp ON, DTCs P1635/P1639
  • Leaks
    • Emissions - MIL ON/DTC's Stored/Check Fuel Cap Lamp ON
• All Technical Service Bulletins
  • Restraints - Air Bag Lamp ON/DTC's B1876/B1880/B1920
  • Ignition System - Coil-On-Plug Misfire Diagnostic Tips
  • Engine Controls - General PCM Programming Procedures
  • Engine Controls - MIL ON/Lean DTC Service Tips
  • CNG Fuel System - Hard Start/DTC's Set/Low Power
  • Emissions - MIL ON/DTC's Stored/Check Fuel Cap Lamp ON
  • Engine Controls - Engine Surge/Rolling Idle/DTC's Set
    • Overview
    • Service Procedure
  • Engine Controls - DTC P1635 Set After PCM/IC Replacement
    • Overview
    • Service Procedure
  • Parameter Identification Data - Input/Output Information
  • Emissions/Engine Controls - Driveability Diagnosis
    • Overview
    • Index
      • Information
      • A. Description of Terms and Acronyms
      • B. HO2S Location Diagrams
      • C. Heated Oxygen Sensor (HO2S) Monitor
      • D. Catalyst Efficiency Monitor
      • E. Fuel System Monitor
      • F. Diagnostic Service Tips
  • OBDII Diagnostic Monitor - Application Strategies
  • Speedometer Defective,, 4X4 Lamp ON, DTCs P1635/P1639
  • Bi-Fuel System - No Start Condition