Powertrain Control Module (PCM)

U0103-LOST COMMUNICATION WITH ELECTRIC GEAR SHIFT MODULE

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

- When Monitored:
Ignition run time is greater than one second.

Battery voltage between 10.0 and 16.0 Volts.

- Set Condition:
Bus messages not received from the Electric Gear Shift Module (ESM).





VERIFY 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. With the scan tool, read active DTCs.

Is this DTC active?

Yes

- Testing and Inspection and perform the U0103-Lost Communication with Electronic Shift Module (ESM) diagnostic procedure.

No

- and perform the Stored Lost Communication DTCs diagnostic procedure Stored Lost Communication DTCs.