Audio Hardware Message Not Received - Dodge Ram 2004 Service Manual

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.
ATTEMPT TO COMMUNICATE WITH THE RADIO
MODULE
TEST
1 Turn the ignition on.
Turn the Radio on.
With the DRBIII , attempt to communicate with the Radio.
Was the DRBIII able to I/D or communicate with the Radio?
Yes → Go To 2
→ Refer to the Communication category for the related symptom(s).
No
2 With the DRBIII , erase DTC's.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRBIII , read DTC's.
Did this DTC reset?
Yes → Replace the Hands Free Module in accordance with the service
→ Test Complete.
No
POSSIBLE CAUSES
ACTION
Perform BODY VERIFICATION TEST - VER 1.
information.
Perform BODY VERIFICATION TEST - VER 1.
TELECOMMUNICATION
495
APPLICABILITY
All
All