OBD II Trouble Code Definitions

OBD2 Diagnostic Trouble Code Tables 1995 - 2016
  • - Supercharger Intercooler Pump Not Working
  • - Low Speed Fuel Pump Primary Circuit Malfunction
  • - Fuel System Disabled Or Offline
  • - Fuel System Disabled Or Offline
  • - Fuel Pump Control Out Of Range
  • - Fuel Pump Control Out Of Range
  • - Fuel Pump Secondary Circuit Malfunction
  • P1238
    - Fuel Pump Secondary Circuit Malfunction
  • P1244
    - Generator Load Low
  • P1245
    - Generator Load Input High
  • P1246
    - Generator Load Input Failed
  • P1258
    - Engine Metal Over Temperature Protection
  • - VTEC System Malfunction
  • - Theft Detected - Engine Disabled
  • - Vehicle Speed Limiter Reached
  • - Engine Is Cold Too Long
  • - Fuel Pump Relay Control Circuit
  • - Cylinder Head Over Temperature Sensed
  • - Intake Manifold Short Runner Solenoid Circuit
  • - CHT Sensor High Input
  • P1290
    - CHT Sensor Low Input
  • - No Temp Rise Seen From Fuel Heaters
  • P1292
    - CNG Pressure Sensor Voltage Too High
  • P1293
    - CNG Pressure Sensor Voltage Too Low
  • - Target Idle Not Reached
  • - No 5 Volts To TP Sensor
  • - No 5 Volts To MAP Sensor
  • - Low Voltage ELD Circuit
  • - Lean Operation At wide Open Throttle
  • - Cylinder Head Over Temperature Protection Active
  • Please go to our P1200-P1299 forum for aditional codes and for questions and answers about your particular trouble code.