Engine Torque Reduction

Symptom:
ENGINE TORQUE REDUCTION

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.

Test 1:

Test 2-6:

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