Auto High Beam Module (AHBM)

U0141-Lost Communication With IPM (FCM/TIPM)

For a complete wiring diagram, refer to.

• When Monitored: Continuously when the ignition is on. The battery voltage between 10.0 and 16.0 Volts. Ignition Off Draw (IOD) fuse installed. Totally Integrated Power Module (TIPM) is configured correctly.

• Set Condition: Bus messages not received from the Totally Integrated Power Module (TIPM) for approximately two to five seconds.






Test Step 1 - VERIFY DTC IS ACTIVE

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

• Turn the ignition on.

• With the scan tool, read active DTCs.

Is this DTC active?

Yes

• Refer to => [ U0141 - Lost Communication with Totally Integrated Power Module ] U0141.

No

• Refer to => Non-DTC Based Diagnostics and perform the Stored Lost Communication DTCs diagnostic procedure. Stored Lost Communication DTCs