FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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No Communication With Amplifier - Radio







NO COMMUNICATION WITH AMPLIFIER - RADIO

For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
With the ignition on.

- Set Condition:
The module misses 5 successive periodic messages or has not received an in-frame response after 3 consecutive retries.





Diagnostic Test

1. ATTEMPT TO COMMUNICATE WITH THE AMPLIFIER
Turn the ignition 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 To2

No

- REFER TO COMMUNICATION. No Response From AMP (Amplifier)
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.

2. RADIO
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 Radio.
- Perform the BODY VERIFICATION TEST - VER 1. Body Verification Test.

No

- Test complete.