GM Service Manual Online
For 1990-2009 cars only

Object Number: 899010  Size: MF

The OnStar Communication Interface Module (CIM) monitors the Remote Control 3-button assembly circuit 2514 and 2515 for an open condition.

DTC Parameters

    • Open in the Remote Control 3-button assembly circuit.
    • Open in circuits 2514 and/or 2515.
    • This test runs once every ignition cycle.
    • Illuminate the red OnStar telltale.

Diagnostic Aids

    • Check for poor connections at the VCP. Inspect the harness connectors for backed out terminals, improper terminal mating, broken connector locks, and improperly formed connection.
    • If the fault is suspected to be intermittent, wiggling the harness wiring may help in locating the fault.

Object Number: 898320  Size: FP