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.
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HOMESERVICE MANUALSJEEP2013WRANGLER SPORT, AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSINTRUSION TRANSCEIVER MODULE (ITM) - ELECTRICAL DIAGNOSTICS
2013 Jeep Wrangler Sport, Automatic Trans
Intrusion Transceiver Module (ITM) - Electrical Diagnostics
2013 Jeep Wrangler Sport, Automatic TransSECTION Intrusion Transceiver Module (ITM) - Electrical Diagnostics
- Diagnostic Code Index
- DTC Troubleshooting
- B1A20-00-Pre-Arm Timeout
- B1A3C-00-Internal Siren Battery
- B1A3D-00-Siren Battery Tamper / Loss Of Power Supply
- B1A3E-00-Siren / ITM Mismatch
- B1A3F-00-ITM Arming Sequence Performance
- B1A82-49-Left I/P Intrusion Sensor - Internal Electronic Failure
- B1A83-49-Right I/P Intrusion Sensor - Internal Electronic Failure
- B1A84-49-Left Center I/P Intrusion Sensor - Internal Electronic Failure
- B1A85-49-Right Center I/P Intrusion Sensor - Internal Electronic Failure
- B1A86-49-Cargo Area Intrusion Sensor - Internal Electronic Failure
- B210A-84-System Voltage Low - Signal Below Allowable Range
- B210B-85-System Voltage Low - Signal Above Allowable Range
- B2206-Current VIN Missing/Mismatch
- B223B-Vehicle Configuration Mismatch
- B223C-00-Intrusion Transceiver Module Internal
- U0010-00-Can Interior Bus
- U0141-00-Lost Communication With IPM (FCM/TIPM)
- U0155-00-Lost Communication With Cluster/CCN
- U02A1-00-Lost Communication With Left I/P Intrusion Sensor
- U02A2-00-Lost Communication With Right I/P Intrusion Sensor
- U02A3-00-Lost Communication With Left Center Console Intrusion Sensor
- U02A4-00-Lost Communication With Right Center Console Intrusion Sensor
- U02A5-00-Lost Communication With Cargo Area Intrusion Sensor
- U110D-Lost Communication With Security Siren
- U140E-00-Implausible Vehicle Configuration Data Received
- U1415-00-Implausible/Missing Vehicle Configuration Data
- U1416-00-Implausible Security Siren Signal Received
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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.