A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Diagnostic Trouble Code Descriptions
    • With Speed Density Update
    • Without Speed Density Update
  • Manufacturer Code Charts
    • DTC 13
    • DTC 14
    • DTC 15
    • DTC 21
    • DTC 22
    • DTC 23
      • With Speed Density Update
      • Without Speed Density Update
    • DTC 24
    • DTC 25
      • With Speed Density Update
      • Without Speed Density Update
    • DTC 32
    • DTC 33
      • With Speed Density Update
      • Without speed Density Update
    • DTC 34
      • With Speed Density Update
      • Without Speed Density Update
    • DTC 35
    • DTC 41
    • DTC 42
    • DTC 43
    • DTC 44
      • With Speed Density Update
      • Without Speed Density Update
    • DTC 45
      • With Speed Density Update
      • Without Speed Density Update
    • DTC 51
    • DTC 52
    • DTC 53
    • DTC 54
    • DTC 61
    • DTC 63
    • DTC 64
  • Related Tests, Information and Procedures
    • A Charts
      • Chart A-1 No Service Engine Soon Light
      • Chart A-2 No ALDL Data or Won't Flash Code 12 Service Engine Soon Light ON Steady
      • Chart A-3 Engine Cranks But Will Not Run
        • Part 1 of 3
        • Part 2 of 3
        • Part 3 of 3
      • Chart A-7 Fuel System Diagnosis
        • Part 1 of 2
        • Part 2 of 2
    • B Charts
    • C Charts
      • Chart C-1 ECM Quad Driver Check
      • Chart C-1A Park/Neutral Switch Diagnosis
      • Chart C-1D Manifold Absolute Pressure (MAP) Output Check
      • Chart C-1E Power Steering Pressure Switch (PSPS) Check
      • Chart C-2A Injector Balance Test
      • Chart C-2B Idle Air Control (IAC) Valve Check
      • Chart C-3 Canister Purge Check
      • Chart C-4D-1 DIS Misfire at Idle
      • Chart C-4D-2 DIS Misfire Under Load
      • Chart C-5 Electronic Spark Control (ESC) Check
      • Chart C-7A Exhaust Gas Recirculation (EGR) Check
      • Chart C-8A Torque Converter Clutch (TCC) W/ 3T40
      • Chart C-8B Torque Converter Clutch (TCC) W/ 4T60 Trans
        • Part 1
        • Part 2
      • Chart C-8C Manual Trans. Shift Light Check
      • Chart C-10A A/C Clutch Control
      • Chart C-10B A/C Clutch Control Circuit Diagnosis
      • Chart C-12A Cooling Fan Check
        • Part 1
        • Part 2