B1A3E

B1A3E-00-SIREN / ITM MISMATCH

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
While the Vehicle Theft and Security System (VTSS) is armed.

- Set Condition:
When the learned Siren information stored in the Intrusion Transceiver Module (ITM) does not match.





1. CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)

NOTE: Diagnose any related Communication DTCs before continuing.

1. Turn the ignition off and remove the key from the ignition.
2. Lock and close all doors to allow the VTSS to go from pre-arm to armed status and wait one minute.
3. Disarm the VTSS.
4. With the scan tool, read DTCs.

Does the scan tool display this DTC as active?

Yes

- Inspect the wiring from the ITM to Siren for an intermittent open condition. Check the connector terminals for back out, corrosion or loose terminal contact. If OK, replace the Siren. Vehicle Theft Security Siren - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 2

2. INTERMITTENT CONDITION
1. Check for any of the follow conditions:
- poor wire to terminal connection
- corroded terminals
- backed out or loose terminals
- broken wire internal to the insulation

Were any problems found?

Yes

- Repair the wiring as necessary.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.