A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Diagnostic Trouble Code Descriptions
  • Manufacturer Code Charts
    • DTC 13
    • DTC 14
    • DTC 15
    • DTC 21
    • DTC 22
    • DTC 24
      • Integral Buffer
      • Remote Buffer
    • DTC 33
    • DTC 34
    • DTC 42
    • DTC 44
    • DTC 45
    • DTC 51
    • DTC 55
  • Related Tests, Information and Procedures
    • A Charts
      • Chart A-1 Driver Complaint Chart
      • Chart A-2 No Check Engine Light
      • Chart A-3 Will Not Flash Code 12
      • Chart A-4 Engine Cranks But Will Not Run
      • Chart A-5 Fuel System Diagnosis
      • Chart A-6 Ignition System Check (With Remote Coil)
    • C Charts
      • Chart C-4B Ignition System Check (Remote Coil)
      • Chart C-4C EST Performance Check
      • Chart C-8A Cooling Fan Circuit (With A/C)
      • Chart C-8E Transmission Converter Clutch (TCC)
      • Chart C-9 A/C Clutch Control
      • Chart C-9A Park/Neutral Switch
      • Chart C-9B Crank Signal Circuit
      • Chart C-11 Idle Air Control (IAC)