A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Diagnostic Trouble Code Descriptions
    • Definition of Codes 13, 14 & 15
    • Definition of Codes 21, 22 & 23
    • Definition of Codes 24, 25, 31 & 32
    • Definition of Codes 33, 34, 41 & 42
    • Definition of Codes 43, 44 & 45
    • Definition of Codes 51, 52 & 55
  • Manufacturer Code Charts
    • DTC 13
    • DTC 14
    • DTC 15
    • DTC 21
    • DTC 22
    • DTC 23
    • DTC 24
    • DTC 25
    • DTC 31
    • DTC 32
    • DTC 33
    • DTC 34
    • DTC 41
    • DTC 42
    • DTC 43
    • DTC 44
    • DTC 45
    • DTC 51
    • DTC 52
    • DTC 55
  • 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 A-5 & A-6 - Engine Cranks But Will Not Run
        • Chart A-3 Engine Cranks But Will Not Run
        • Chart A-5 Continued From Chart A-3 or A-7
        • Chart A-6 Continued From Chart A-5
      • Chart A-7 Fuel System Diagnosis
    • C Charts
      • Chart C-1 ECM Quad Driver Check
      • Chart C-1A Park/Neutral Switch Diagnosis
      • Chart C-2A Injector Balance Test
      • Chart C-2B Idle Air Control (IAC) Valve Check
      • Chart C-3 Canister Purge Check
      • Chart C-4B Ignition System Check (Type I C3-I Ignition)
      • Chart C-5 Electronic Spark Control (ESC) Check
      • Chart C-7 Exhaust Gas Recirculation (EGR) Check
      • Chart C-8 Torque Converter Clutch (TCC) Diagnosis
      • Chart C-10 A/C Clutch Control
      • Chart C-12A Coolant Fan Check (Two Speed)