Manifold Air Pressure Sensor – Signal out of range, low resistance Manifold Air Pressure Sensor – Signal out of range, high resistance
#Gm ecu diagnostic tool driver
QDM A ( Quad driver module ) – 4th gear circuitĮGR ( Exhaust Gas Recirculation ) – Circuit fault QDM A ( Quad-driver module ) – Circuit #2 fault QDM A ( Quad-driver module ) – 2nd gear circuit QDM A ( Quad-driver module ) – Circuit #1 fault Intake Air temp sensor – Out of range, high resistance Intake Air temp sensor – Out of range, low resistance Throttle position sensor – Out of range/Performance Oxygen O2 Sensor – Circuit open/no activityĬoolant Temperature sensor – Resistance too high or shorted circuitĬoolant Temperature Sensor – Circuit low or openĭirect ignition system (DIS) – Faulty circuit / shorted circuitĬamshaft Position Sensor – Circuit/timing errorĬamshaft or Crankshaft – Sensor/circuit/timing errorĬrankshaft sensor – Sensor/circuit/timing error Check your repair manual for the trouble codes of your car model.
We do not take responsibility for any faults in this code list. The OBD1 codes’ meanings can differ a bit depending on what car model you have, but most of them are the same among all car manufacturers. Here is a complete OBD1 trouble code list.