Symptom:
AUDIO HARDWARE MESSAGE NOT RECEIVED
When Monitored and Set Condition:
AUDIO HARDWARE MESSAGE NOT RECEIVED
When Monitored: With the ignition on.
Set Condition: The Hands Free Module does not receive the bus message from the radio
indicating what kind of radio the vehicle is equipped with.
POSSIBLE CAUSES
ATTEMPT TO COMMUNICATE WITH THE RADIO
MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
Turn the Radio on.
With the DRBIIIt, attempt to communicate with the Radio.
Was the DRBIIIt able to I/D or communicate with the Radio?
All
Yes → Go To 2
No → Refer to the Communication category for the related symptom(s).
Perform BODY VERIFICATION TEST - VER 1.
2 With the DRBIIIt, erase DTC’s.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIIIt, read DTC’s.
Did this DTC reset?
All
Yes → Replace the Hands Free Module in accordance with the service
information.
Perform BODY VERIFICATION TEST - VER 1.
No → Test Complete.
495
TELECOMMUNICATION
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