Powertrain Control Module (PCM)

U0212-LOST COMMUNICATION WITH SCM

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

- When Monitored:
With the ignition on.

Battery voltage between 10 and 16 volts.

Body Control Module (BCM) is configured correctly.

- Set Condition:
The module has not received a Steering Control Module (SCM) Bus message for approximately two to five seconds. One trip fault. If the vehicle is equipped with the stop/start feature, the system will be disabled when this DTC is active.





Diagnostic Test
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.

1. Ignition on, engine not running.
2. With the scan tool, read active DTCs.

Is this DTC active?

Yes

- Perform the U0212-Lost Communication with Steering Control Module (SCM) diagnostic procedure. U0212-00.

No

- Perform the Stored Lost Communication DTCs diagnostic procedure. Manufacturer Code Charts.