FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Vehicle Theft Security







909C-AUXILIARY HORN NOT LEARNED

For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
Continuously while the VTSS is armed.

- Set Condition:
If the Roof Control Module does not receive messages from the Siren.





Diagnostic Test

1. INTERMITTENT DTC
With the scan tool, erase the current Roof Control Module DTC's.
Turn the ignition off.
Arm the VTSS and wait 1 minute.
Disarm the VTSS and turn the ignition on.
Does the scan tool display 909C-AUXILIARY HORN NOT LEARNED?

Yes

- Using the scan tool under RCM Miscellaneous Functions perform the Anti-Theft Alarm Siren Learn routine.
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests

No

- The condition that caused this symptom is currently not present. Test complete.
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests