Diagnostic Test

WARNING: This page is about a different car, the 2012 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

DETERMINING IF DIAGNOSTIC TROUBLE CODE (DTC) IS CURRENT
NOTE:
Diagnose any related Communication DTCs before continuing.
1. With a scan tool, read and record DTCs.
2. With the scan tool, clear DTCs.
3. Turn the ignition off and remove the key from the ignition.
4. Lock and close all doors to allow the VTSS to go from pre-arm to armed status and wait one minute.
5. Disarm the VTSS.
6. Using the scan tool, read ITM DTCs.
  Does the DTC reset?
  
  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.
  - Refer to STANDARD PROCEDURE and perform the BODY VERIFICATION TEST.
  No
  - Go to 2.
INTERMITTENT CONDITION
NOTE:
Check for any of the follow conditions:
- Poor wire to terminal connection
- Corroded terminals
- Pushed out or loose terminals
- Broken wire internal to the insulation
Were there any problems found?

Yes
- Repair the wiring as necessary.
- Refer to STANDARD PROCEDURE and perform the BODY VERIFICATION TEST.
No
- DTC is not active at this time. Test complete.