Powertrain Control Module (PCM)

U0168-LOST COMMUNICATION WITH VEHICLE SECURITY CONTROL MODULE (WIN)





For a complete wiring diagram, consult the Wiring Information.

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

- Set Condition:
The Powertrain Control Module (PCM) doesn't receive a Wireless Ignition Node (WIN) message over the CAN C circuit for seven consecutive seconds. The circuit is continuously monitored.





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 Ignition Off Draw (IOD) fuse before continuing. If the fuse is open, check the circuit for a short to ground.

1. Turn the ignition on.
2. With a scan tool, select View DTCs.

Is the DTC Active at this time?

Yes

- Totally Integrated Power Module (TIPM) and perform the U0168-Lost Communication with Vehicle Security Control Module diagnostic procedure.

No

- Perform the Stored Lost Communication DTCs diagnostic procedure. Stored Lost Communication DTCs