Operation CHARM: Car repair manuals for everyone.

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