GM Service Manual Online
For 1990-2009 cars only

Object Number: 896152  Size: MF

Circuit Description

The UHFB supplies the solenoid circuits with battery voltage when the ignition is in the RUN position. The ABS control module (EBTCM) controls valve function by grounding the solenoid circuit when necessary.

DTC Parameters

When DTC C0110 sets:

    • The ABS telltale will be on.
    • The ABS control module will disable the ABS, the TCS and the DRP.

Diagnostic Aids

The pump relay and motor are NOT serviceable.

The valve assembly (with control module) must be replaced.