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.
2011 Jeep Patriot Latitude X, AWD, Automatic CVT, CVT3FACTORY OEM SERVICE PROCEDURE
Intrusion Transceiver Module (ITM) - Electrical Diagnostics
- Diagnostic Code Index
- DTC Troubleshooting
- B1A20-Pre-Arm Timeout
- B1A3C-Internal Siren Battery
- B1A3D-Siren Battery Tamper / Loss Of Power Supply
- B1A3E-Siren / ITM Mismatch
- B1A3F-ITM Arming Sequence Performance
- B2206-Current VIN Missing/Mismatch
- B222A-Vehicle Line Mismatch
- B223C-Intrusion Transceiver Module Internal
- U0019-Can B Bus
- U0151-Lost Communication With Occupant Restraint Controller (Orc)
- U0155-Lost Communication With Cluster/CCN
- U110D-Lost Communication With Security Siren
- U1416-Implausible Security Siren Signal Received
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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