B1A3E-00-SIREN / ITM MISMATCH
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For a complete wiring diagram, refer to the Wiring Information.
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When Monitored:
While the Vehicle Theft and Security System (VTSS) is armed.
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Set Condition:
When the learned Siren information stored in the Intrusion Transceiver Module (ITM) does not match.
Possible Causes |
|---|
| INTERMITTENT CONDITION |
| SIREN |
| 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 wiring from ITM to Siren for an intermittent open condition. Check connector terminals for push out, corrosion or loose terminal contact. If OK, replace the Siren.
- Perform the BODY VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).
No
- Go To 2
| NOTE: | Check for any of the follow conditions: |
Were there any problems found?
Yes
- Repair the wiring as necessary.
- Perform the BODY VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).
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.
- Perform the BODY VERIFICATION TEST. (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure).