OBD II Trouble Code Definitions

Switch to OBD1 Trouble Codes
OBD2 Diagnostic Trouble Code Tables
P0100 - P0199 | P0200 - P0299 | P0300 - P0399 | P0400 - P0499 | P0500 - P0599 | P0600 - P0699 | P0700 - P0799 | P0800 - P0899 | P1000 - P1099 | P1100 - P1199 | P1200 - P1299 | P1300 - P1399 | P1400 - P1499 | P1500 - P1599 | P1600 - P1699 | P1700 - P1799 | P1800 - P1899 |
  • - 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
  • - Fuel Pump Secondary Circuit Malfunction
  • P1244
    - Generator Load Low
  • P1245
    - Generator Load Input High
  • - Generator Load Input Failed
  • - Engine Metal Over Temperature Protection
  • - VTEC System Malfunction
  • - Theft Detected - Engine Disabled
  • P1270
    - Vehicle Speed Limiter Reached
  • - Engine Is Cold Too Long
  • - Fuel Pump Relay Control Circuit
  • - Cylinder Head Over Temperature Sensed
  • P1288
    - Intake Manifold Short Runner Solenoid Circuit
  • - CHT Sensor High Input
  • - 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
  • P1295
    - No 5 Volts To TP Sensor
  • P1296
    - 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.