GM Service Manual Online
For 1990-2009 cars only

Object Number: 889322  Size: MF

DTC Parameters

DTC C0896 will set if the battery voltage drops below 9.4 volts or exceeds 17.4 volts while vehicle speed is above 4 mph.

When DTC C0896 sets:

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

Diagnostic Aids

Important: If battery voltage returns to normal levels (9.4 - 17.4 volts) within the same ignition cycle, the ABS control module will enable ABS/TCS/DRP and will turn the ABS telltale Off.

Important: An open in circuit 1008 or 702 will NOT set this DTC.

Use the scan tool to observe the battery voltage display.

Refer to Starting/Charging section of the appropriate Engine service manual for charge circuit diagnosis.

DTC C0896


Object Number: 887394  Size: FP