GM Service Manual Online
For 1990-2009 cars only

Checks

Causes

Variable Low 1-2R Clutch Assembly

    • Inspect for damaged VL1-2R clutch piston assembly.
    • Inspect for worn or damaged VL1-2R splines.
    • Inspect for damaged VL1-2R clutch piston assembly.
    • Inpsect for worn or damaged VL1-2R splines.

Drive Motor with Generator Position 2 (B)

    • Inspect splines.
    • Inspect HV connections.

Front Differential Carrier Assembly

Inspect for damaged gears and bearings.

Front Differential Drive Pinion (w/Transfer Gear) Gear Assembly

Inspect for damaged gears and bearings.