Communication Interface Module Replacement

WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Replacing Communication Interface Module

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
NOTE: Refer to Fastener Notice . Fastener Tightening Specifications: Refer to Fastener Tightening Specifications . IMPORTANT: The vehicle communication interface module (VCIM) has a specific set of unique numbers that tie the module to each vehicle. These numbers, the 10-digit station identification and the 11-digit electronic serial number, are used by the National Cellular Network and OnStar® to identify the specific vehicle. Because these numbers are tied to the vehicle identification number of the vehicle, you must never exchange these parts with those of another vehicle. IMPORTANT: After replacing the vehicle communication interface module, you must reconfigure the OnStar® system. Failure to reconfigure the system will result in an additional customer visit for repair. In addition, pressing and holding the white dot button on the keypad will NOT reset this version of the OnStar® system. This action will cause a DTC to set. Preliminary Procedure Remove the left rear compartment trim. Refer to Compartment Side Trim Replacement - LH Rear . After receiver replacement, configure the OnStar® system. Refer to OnStar Reconfiguration . Program the communication interface module (OnStar®) after replacement. Refer to Control Module References .
1	Nut, Navigation Receiver (Qty: 2) Tighten: 3.5 N.m (31 lb in)
2	Receiver Assembly, Navigation

Callout

Component Name

NOTE: Refer to Fastener Notice .

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications .

IMPORTANT: The vehicle communication interface module (VCIM) has a specific set of unique numbers that tie the module to each vehicle. These numbers, the 10-digit station identification and the 11-digit electronic serial number, are used by the National Cellular Network and OnStar® to identify the specific vehicle. Because these numbers are tied to the vehicle identification number of the vehicle, you must never exchange these parts with those of another vehicle.

IMPORTANT: After replacing the vehicle communication interface module, you must reconfigure the OnStar® system. Failure to reconfigure the system will result in an additional customer visit for repair. In addition, pressing and holding the white dot button on the keypad will NOT reset this version of the OnStar® system. This action will cause a DTC to set.

Preliminary Procedure

Remove the left rear compartment trim. Refer to Compartment Side Trim Replacement - LH Rear .
After receiver replacement, configure the OnStar® system. Refer to OnStar Reconfiguration .
Program the communication interface module (OnStar®) after replacement. Refer to Control Module References .

Nut, Navigation Receiver (Qty: 2)

Tighten: 3.5 N.m (31 lb in)

Receiver Assembly, Navigation