Steering Control Module (SCM)

U0100-00-LOST COMMUNICATION WITH PCM

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
Continuously when the ignition is on.

The battery voltage between 10 and 16 Volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.

- Set Condition:
Bus messages not received from the Powertrain Control Module (PCM) for approximately two to five seconds.





VERIFY THE DTC IS ACTIVE

NOTE: Make sure the IOD fuse is installed and the battery is fully charged before proceeding.

1. Turn the ignition on.
2. Using the scan tool, read the active DTCs.

Is the DTC active at this time?

Yes

- Perform the U0100-Lost Communication with PCM diagnostic procedure. Totally Integrated Power Module (TIPM) .

No

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