A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Diagnostic Trouble Code Descriptions
    • Full Function System
    • Minimum Function System
  • Manufacturer Code Charts
    • DTC 12
      • Full Function System
      • Minimum Function System
    • DTC 13
    • DTC 15
      • Full Function System
      • Minimum Function System
    • DTC 21
      • Full Function System
      • Minimum Function System
    • DTC 23
      • Full Function System
      • Minimum Function System
    • DTC 24
    • DTC 34
    • DTC 41
    • DTC 42
    • DTC 44
      • Full Function System
      • Minimum Function System
    • DTC 45
      • Full Function System
      • Minimum Function System
    • DTC 51
    • DTC 54
    • DTC 55
      • Full Function System
      • Minimum Function System
  • Related Tests, Information and Procedures
    • A Charts
      • Chart A-1 Dwell Problem
        • Full Function System-Dwell Fixed Under 10 Degrees
        • Minimum Function System-Dwell Fixed Between 10 & 50 Degs
      • Chart A-2 Dwell Problem
        • Full Function System-Dwell Fixed Between 10 & 50 Degrees
        • Minimum Function System-Dwell fixed Over 50 Degrees
      • Chart A-3 Coolant Sensor or Dwell Problem
        • Full Function System-Dwell Fixed Over 50 Degrees
        • Minimum Function System-Coolant Sensor Circuit Check
      • Chart A-4 TPS Wide-Open Throttle or Check Engine Problems
        • Full Function System-TPS WOT Circuit Check
        • Minimum Function System-Check Engine Light Inop
      • Chart A-5 TPS or Check Engine Light Problem
        • Full Function System-Check Engine Light Inop
        • Minimum Function System-TPS Enrichment Check
      • Chart A-6 Won't Flash Code 12
        • Full Function System
        • Minimum Function System
    • C Charts
      • Full Function System
        • Chart C-1 Ignition System Check
        • Chart C-2 EST Performance Check
        • Chart C-3 Pulsair Solenoid Check
        • Chart C-4 Air Management System Check
        • Chart C-5 Purge Valve Check
        • Chart C-6 Electrically Heated EFE
      • Minimum Function System
        • Chart C-4D Ignition System Check
        • Chart C-6A Air Management Check
        • Chart C-7C EGR Valve Check Non-ECM Controlled