A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Diagnostic Trouble Code Descriptions
    • Codes 13, 14 & 15
    • Codes 21, 22 & 23
    • Codes 24, 25, 31 & 32
    • Codes 33, 34, 41 & 42
    • Codes 43, 44 & 45
    • Codes 51, 52 & 55
  • Manufacturer Code Charts
    • DTC 13
    • DTC 14
    • DTC 15
    • DTC 16
    • DTC 21
    • DTC 22
    • DTC 23
    • DTC 24
    • DTC 25
    • DTC 26
    • DTC 27
    • DTC 28
    • DTC 29
    • DTC 31
    • DTC 34
    • DTC 38
    • DTC 39
    • DTC 41
    • DTC 42
    • DTC 43
    • DTC 44
    • DTC 45
    • DTC 48
    • DTC 51
    • DTC 63
    • DTC 64
    • DTC 65
  • Related Tests, Information and Procedures
    • A Charts
      • Chart A-1 No Service Engine Soon Light
      • Chart A-2 No Code 12 Service Engine Soon Light ON Steady
      • Chart A-3 Engine Cranks But Will Not Run
      • Chart A-5 Fuel System Electrical Test
      • Chart A-7 Fuel System Pressure Test
    • C Charts
      • Chart C-2A Injector Balance Test
      • Chart C-2B Idle Air Control (IAC) Valve Check
      • Chart C-3 Canister Purge Check
      • Chart C-4F-1 Misfire at Idle
      • Chart C-4F-2 Misfire Under Load
      • Chart C-5 Electronic Spark Control (ESC) Check
      • Chart C-7 Exhaust Gas Recirculation (EGR) Check
      • Chart C-8A Torque Converter Clutch (TCC) Electrical Diagnosis
      • Chart C-10A A/C Clutch Circuit Diagnosis (Early Production)
      • Chart C-10A A/C Clutch Circuit Diagnosis (Late Production)
      • Chart C-12A Cooling Fan Check
      • Chart C-12B Coolant Fan on at All Times
      • Chart C-12C No Low Speed Fan