Auto High Beam Module (AHBM)
U0010-CAN Interior Bus
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) fuse installed.
• Set Condition: The controller detects a short to ground on the CAN Interior Bus (125K)(+) circuit or a short to voltage on the CAN Interior Bus (125K)(-) circuit.
Test Step 1 - VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE
• Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.
• Using the scan tool, read active DTCs.
Is this DTC active?
Yes
• Refer to => [ U0010 - CAN Interior Bus ] U0010.
No
• Refer to => Non-DTC Based Diagnostics and perform the Stored Lost Communication DTCs diagnostic procedure. Stored Lost Communication DTCs