A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Diagnostic Trouble Code Descriptions
  • Manufacturer Code Charts
    • DTC 12
    • DTC 13
      • With Carburetor
      • Fuel Injected
    • DTC 14
      • With Carburetor
      • Fuel Injected
    • DTC 15
      • With Carburetor
      • Fuel Injected
    • DTC 21
      • With Carburetor
      • Fuel Injected
    • DTC 22
    • DTC 23
    • DTC 24
      • With Carburetor
      • Fuel Injected
    • DTC 32
    • DTC 33
    • DTC 34
      • Fuel Injected
      • With Carburetor
    • DTC 35
    • DTC 41
    • DTC 42
      • Carbureted Models
      • With Carburetor
      • Fuel Injected
    • DTC 43
      • Fuel Injected
      • With Carburetor
    • DTC 44
      • Fuel Injected
      • With Carburetor
    • DTC 45
      • With Carburetor
      • Fuel Injected
    • DTC 51
      • With Carburetor
      • Fuel Injected
    • DTC 54
    • DTC 55
      • With Carburetor
      • Fuel Injected
  • Related Tests, Information and Procedures
    • A Charts
      • - When to Use These Charts
      • Chart A-1 Driver Complaint Chart
      • Chart A-1 Dwell Fixed Under 10 Degrees
      • Chart A-2 Dwell Fixed Between 10 and 50 Degrees
      • Chart A-2 Dwell Fixed Over 50 Degrees
      • 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-4 TPS Wide-Open Throttle Circuit Check
      • Chart A-5 Check Engine Light Inoperative
      • Chart A-5 Fuel System Diagnosis
      • Chart A-6 Check Engine Light on at All Times or No Code 12
      • Chart A-6 Ignition System Check (With Integral Coil)
      • Chart A-6 Ignition System Check (With Remote Coil)
      • Chart A-6 Won't Flash Code 12
    • C Charts
      • Chart C-1 ECM Replacement Check
      • Chart C-1D MAP and BARO Check
      • Chart C-1E Differential Pressure (VAC) Sensor Check
      • Chart C-2A Idle Speed Control (ISC) Check
      • Chart C-2B Idle Speed Solenoid Throttle Kicker
      • Chart C-2F TPS Enrichment Check
      • Chart C-3 Canister Purge Check
      • Chart C-4A Ignition System Check
      • Chart C-4A Ignition System Check (Integral Coil)
      • Chart C-4B Ignition System Check (Remote Coil)
      • Chart C-4C EST Performance Check
      • Chart C-4C Ignition System Check (Remote Coil)
      • Chart C-5 Electronic Spark Control (ESC) Check (Exc. Turbo)
      • Chart C-5 Electronic Spark Control (ESC) Check (Turbo)
      • Chart C-6A Air Management Check W/ Electronic Solenoids
      • Chart C-6B Air Management Check
      • Chart C-6B Air Management Check Diverter Valve Check
      • Chart C-6B Air Management Check Elec. Diverter Valve Check
      • Chart C-6B Air Management Check Pulsair Solenoid Check
      • Chart C-7A Pulse Width Modulated EGR (Exc. Calif. 3.8L VIN A)
      • Chart C-7C EGR Check
      • Chart C-7D EGR Bleed Check
      • Chart C-8 EGR Check
      • Chart C-8A Transmission Converter Clutch (TCC) Diagnosis
      • Chart C-8B Air Management Check W/Electric Switching Valves
      • Chart C-8D Canister Purge Valve Check
      • Chart C-8E Transmission Converter Clutch (TCC)
      • Chart C-8F Hood Louvre Solenoid
      • Chart C-9A Early Fuel Evaporation Check Electrically Heated
      • Chart C-9A Park/Neutral Switch
      • Chart C-9B Crank Signal Circuit
      • Chart C-9C Early Fuel Evaporation (EFE) Vacuum Servo Check
      • Chart C-10 Electronic Spark Control (ESC)
      • Chart C-11 Idle Air Control (IAC)
      • Chart C-11B Power Steering Pressure Signal
    • System Diagnostic Charts
      • Chart 5 Check Engine Light Inoperative
      • Chart 6 Won't Flash Code 12
      • Chart 7 Will Not Flash Code 12