U0146

U0146-LOST COMMUNICATION WITH GATEWAY

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

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

- Set Condition:
The Powertrain Control Module (PCM) doesn't receive a message over the CAN C circuit from the Gateway for 7 consecutive seconds, that is all messages from the Gateway are timed out. The circuit is continuously monitored. Two trip fault.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Pre-Diagnostic Troubleshooting Procedure.
ACTIVE DTC
1. Ignition on, engine not running.
2. With a scan tool, select View PCM DTCs.

Is the DTC Active at this time?

Yes

- Body Control System for diagnostic procedures and for further possible causes.

No

- Perform the CHECKING FOR AN INTERMITTENT DTC diagnostic procedure. Checking for an Intermittent DTC.