Audio Hardware Messages Not Received
AUDIO HARDWARE MESSAGE NOT RECEIVEDWHEN 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 DRB, attempt to communicate with the radio.
Q: Was the DRB able to communicate with the radio?
YES: Go To 2
2. ERASE DTC AND ATTEMPT TO RESET
With the DRB, erase the HFM DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRB, read the HFM DTC's.
Q: Did this DTC reset?
YES: Replace and program the Hands Free Module in accordance with the service information. Perform BODY VERIFICATION TEST - VER 1.
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.