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