Gas

U0168-LOST COMMUNICATION WITH VEHICLE SECURITY CONTROL MODULE (SKREEM-WCM)





For a complete wiring diagramRefer to Diagrams/Electrical.


- When Monitored:
Ignition run time is greater than 1 second. Battery voltage between 9 and 16 volts. Engine run time greater than 3 seconds.

- Set Condition:
The PCM doesn't receive a SKREEM message over the CAN C circuit for 7 consecutive seconds. The circuit is continuously monitored.







Refer to the Communications test for this DTC and/or Manufacturer Code Charts for further possible causes.


Diagnostic Test


1. ACTIVE DTC
NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.


NOTE: Check the IOD fuse before continuing. If the fuse is open, check the circuit for a short to ground.

Turn the ignition on.
With a scan tool, select View DTCs.
Is the DTC Active at this time?

Yes


- Refer to the Communications test for this DTC and/or Manufacturer Code Charts for further possible causes.


No


- Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Intermittent Condition