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 24
    • DTC 32
    • DTC 34
    • DTC 35
    • DTC 41
    • DTC 42
    • DTC 43
    • DTC 44
    • DTC 45
    • DTC 51
    • DTC 53
    • 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 Check Engine Light Inoperative
      • Chart A-6 Service Engine Soon Always ON or No Code 12
    • C Charts
      • Chart C-1 PCM/ECM Replacement Check
      • Chart C-1D MAP and BARO Check
      • Chart C-2A Idle Speed Control (ISC) Check
      • Chart C-2F TPS Enrichment Check
      • Chart C-4A Ignition System Check
      • Chart C-4K Electronic Spark Timing (EST) Performance Check
      • Chart C-5 Electronic Spark Control (ESC) Check
      • Chart C-6B Air Management Check (PEDES) Valve
      • Chart C-7B Pulse Width Modulated (PWM) EGR Check
      • Chart C-8A-1 Transmission Converter Clutch (TCC) Diagnosis
      • Chart C-8A-2 Transmission/Transaxle Converter Clutch (TCC)
      • Chart C-9A Early Fuel Evaporation Check Electrically Heated
      • Chart 24B Park/Neutral Circuit