Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSJEEP2010GRAND CHEROKEE LAREDO, 5.7 T, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSINTRUSION TRANSCEIVER MODULE (ITM) - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGDTC B1A3E: SIREN/ITM MISMATCHDIAGNOSTIC TEST
2010 Jeep Grand Cherokee Laredo, 5.7 T, 4WD
Diagnostic Test
2010 Jeep Grand Cherokee Laredo, 5.7 T, 4WDSECTION Diagnostic Test
- DETERMINING IF DIAGNOSTIC TROUBLE CODE (DTC) IS CURRENT NOTE: Diagnose any related Communication DTCs before continuing.
- With a scan tool, read and record DTCs.
- With the scan tool, clear DTCs.
- Turn the ignition off and remove the key from the ignition.
- Lock and close all doors to allow the VTSS to go from pre-arm to armed status and wait one minute.
- Disarm the VTSS.
- Using the scan tool, read DTCs.
Does the DTC reset?
Yes
- Check for and correct any CAN B Bus DTCs set in the ITM or other modules. Also check for intermittent loss Fused B (+) to the ITM.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
No
- DTC is not active at this time. Test complete.
- Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.