Manual Three Zone Temperature Control

U0181-Lost Communication With Headlamp Leveling Translator

For a complete wiring diagram, refer to.

• When Monitored: Continuously when the ignition is on. Battery voltage between 10 and 16 volts. Ignition Off Draw (IOD) fused installed. Totally Integrated Power Module (TIPM) is configured correctly.

• Set Condition: Bus messages not received from the Headlamp Leveling Translator 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 the active DTCs.

Is this DTC active?

Yes

• Refer to => Electrical System DTC Based Diagnostics and perform the U0181-Lost Communication with Headlamp Leveling Translator diagnostic procedure.

No

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