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 PCM (TCM) message is not received within predefined time.

DTC DETECTING CONDITION





TERMINAL AND CONNECTOR INSPECTION
Refer to DTC C1260. C1260

COMPONENT INSPECTION
1. Ignition "OFF".
2. Ignition "ON".
3. Connect scan tool and select "Diagnostic Trouble Codes (DTCs)" mode.
4. Using a scan tool, Clear DTC.
5. Select "Diagnostic Trouble Codes (DTCs)" mode again.
6. Are any DTCs present?

YES
>Substitute with a known-good PCM (ECM) and check for proper operation. If problem is corrected, replace PCM (ECM) and then go to "Verification Of Vehicle Repair" procedure. If NG, 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 "Verification Of Vehicle Repair" procedure.

VERIFICATION OF VEHICLE REPAIR
Refer to DTC C1101. C1101