FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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AMP Message Not Received






AMP MESSAGE NOT RECEIVED

For a complete wiring diagram refer to Diagrams/Electrical.

- When Monitored:

With the ignition on.

- Set Condition:

The Hands Free Module does not receive a message from the amplifier.






Diagnostic Test

1. ATTEMPT TO COMMUNICATE WITH THE AMPLIFIER

Turn the ignition on.

Turn the Radio on.

With the scan tool, attempt to communicate with the Amplifier.

Was the scan tool able to I/D or communicate with the Amplifier?

Yes

- Go To 2

No

- Refer to the Communication category for the related symptom(s).
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

2. HANDS FREE MODULE

With the scan tool, erase DTC's.

Cycle the ignition switch from off to on and wait approximately 1 minute.

With the scan tool, read DTC's.

Did this DTC reset?

Yes

- Replace the Hands Free Module.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- Test complete.