Engine Torque Reduction
Symptom:ENGINE TORQUE REDUCTION
When Monitored and Set Condition
When Monitored: Engine intervention active for at least 20 ms, no engine torque errors, engine torque demand is greater than 0.
Set Condition: Torque Reduction acknowledge bit - not set, no shift aborts, the error flag "torque reduction acknowledge" is not set, Engine controller not supporting torque requests.
POSSIBLE CAUSES
- CAN BUS CIRCUIT DTC PRESENT
- CAN C BUS +/- CIRCUIT OPEN
- ENGINE DTCS PRESENT
- PCM/ECM - ENGINE CAN MESSAGE MISSING
- TCM - ENGINE CAN MESSAGE MISSING
Test 1:
