C1612

DTC C1612 CAN TIME-OUT TCU

COMPONENT LOCATION

Refer to DTC C1235. C1235

GENERAL DESCRIPTION

Refer to DTC C1605. C1605

DTC DESCRIPTION

The HECU checks the CAN communication lines for normal TCS control, and sets this code if a TCM message is not received within predefined time.

DTC DETECTING CONDITION:

COMPONENT INSPECTION

1. Ignition "OFF".
2. Engine "ON".
3. Does warning lamp remain On?

YES
^ Substitute with a known-good HECU and check for proper operation. If problem is corrected, replace HECU and then go to "Verification of Vehicle Repair" procedure.

NO
^ Fault is intermittent caused by faulty HECU or was repaired and HECU memory was not cleared. Go to the applicable troubleshooting procedure.

VERIFICATION OF VEHICLE REPAIR

Refer to DTC C1101. C1101