A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Manufacturer Code Charts
    • DTC 12
    • DTC 13
    • DTC 14
    • DTC 15
    • DTC 21
    • DTC 23
    • DTC 34
    • DTC 41
    • DTC 42
    • DTC 43
    • DTC 44
    • DTC 45
    • DTC 51
    • DTC 54
  • Related Tests, Information and Procedures
    • A Charts
      • Chart A-1 Dwell Fixed Under 10 Degrees
      • Chart A-2 Dwell Fixed Between 10 and 50 Degrees
      • Chart A-3 Dwell Fixed Over 50 Degrees
      • Chart A-5 Service Engine Soon Light Inoperative
      • Chart A-6 Won't Flash Code 12
    • C Charts
      • Chart C-1 PCM/ECM Replacement Check
      • Chart C-1E Differential Pressure (VAC) Sensor Check
      • Chart C-2F TPS Enrichment Check
      • Chart C-2T-1 Idle Speed Control Check Throttle Kicker
      • Chart C-2W Idle Speed Control Check Throttle Kicker
      • Chart C-3 EVAP Canister Purge Solenoid Check
      • Chart C-4A Ignition System Check
      • Chart C-4D EST Performance Check
      • Chart C-4E Ignition System Check Without EST
      • Chart C-5 Electronic Spark Control (ESC) Check
      • Chart C-6C Air Management Check (EAC) Valve
      • Chart C-7E Pulse Width Modulated (PWM) EGR System Check
      • Chart C-9C EFE System Check - With TVS