• Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
• Review Strategy Based Diagnosis for an overview of the diagnostic approach.
• Diagnostic Procedure Instructions provides an overview of each diagnostic category.

For symptom byte information, refer to Symptom Byte List.

The body control module monitors the number of keyless entry transmitters programmed. Until at least one transmitter is programmed, the body control module determines a malfunction condition exists.

The body control module has been set up without transmitters being programmed.

No keyless entry transmitter programmed to the body control module.

The keyless entry system is inoperative.

A current DTC is cleared when at least one transmitter has been programmed to the body control module.

Remote Function Schematics

Master Electrical Component List

Keyless Entry System Description and Operation

• Circuit Testing
• Connector Repairs
• Testing for Intermittent Conditions and Poor Connections
• Wiring Repairs

Control Module References for scan tool information

1. Verify that the transmitter is a correct transmitter for the vehicle. This can be accomplished by comparing the part number printed on the transmitter to the appropriate part number in the parts catalog.
• If the transmitter is incorrect

  Replace the transmitter.

• If the transmitter is correct
2. Program the transmitter. Refer to Key with Integrated Transmitter Programming.
3. Verify the transmitter has successfully completed the programming procedure.
• If the transmitter does not program successfully

  Replace the transmitter.

• If the transmitter programs successfully
4. All OK.

Perform the Diagnostic Repair Verification after completing the repair.

Key with Integrated Transmitter Programming