Audio Hardware Messages Not Received

AUDIO HARDWARE MESSAGE NOT RECEIVED

WHEN MONITORED
With the ignition on.

SET CONDITION
The Hands Free Module does not receive the PCI Bus message from the radio indicating what kind of radio the vehicle is equipped with.

POSSIBLE CAUSES
- Lost communication with radio
- Hands free module

DIAGNOSTIC TEST

1. ATTEMPT TO COMMUNICATE WITH THE RADIO
Turn the ignition on.
Turn the radio on.
With the scan tool, attempt to communicate with the radio.

Q: Was the scan tool able to communicate with the radio?

YES: Go To 2
NO: Refer to Body Control Systems and perform the related symptom.

2. ERASE DTC AND ATTEMPT TO RESET
With the scan tool, erase the HFM DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the scan tool, read the HFM DTC's.

Q: Did this DTC reset?

YES: Replace and program the Hands Free Module.
Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: The condition that set this DTC is no longer present. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.