Diagnostic Trouble Code Descriptions

TROUBLE CODE DESCRIPTION


CODE 12 Self-diagnostics are functioning - not a trouble code

CODE 13 Oxygen sensor circuit open/grounded.

CODE 14 Coolant temperature sensor circuit (high temperature indicated).

CODE 15 Coolant temperature sensor circuit (low temperature indicated).

CODE 21 Throttle position sensor circuit (signal voltage high).

CODE 22 Throttle position sensor circuit (signal voltage low).

CODE 23 Manifold air temperature sensor circuit (low temperature indicated).

CODE 24 Vehicle speed sensor circuit.

CODE 25 Manifold air temperature sensor circuit (high temperature indicated).

CODE 31 Turbo wastegate overboost.

CODE 32 EGR system fault.

CODE 33 MAP sensor circuit (signal voltage high, low vacuum).

CODE 34 MAP sensor circuit (signal voltage low, high vacuum).

CODE 41 Cam sensor signal.

CODE 43 Knock Sensor (KS) circuit.

CODE 44 Oxygen sensor circuit (lean indication).

CODE 45 Oxygen sensor circuit (rich indication).

CODE 51 ECM or EEPROM failure.