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 MANUALSJEEP2014GRAND CHEROKEE LAREDO, AWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTWARNING SYSTEMS(LEFT BLIND SPOT SENSOR MODULE (BSM) (LBSS) - ELECTRICAL DIAGNOSTICS)
2014 Jeep Grand Cherokee Laredo, AWD
(Left Blind Spot Sensor Module (BSM) (LBSS) - Electrical Diagnostics)
2014 Jeep Grand Cherokee Laredo, AWDSECTION (Left Blind Spot Sensor Module (BSM) (LBSS) - Electrical Diagnostics)
- Diagnostic Code Index
- DTC Troubleshooting
- B129E-78- Left Blind Spot Sensor-Alignment Or Adjustment Incorrect
- B2199-16- Battery Voltage - Circuit Voltage Below Threshold
- B2199-17-Battery Voltage - Circuit Voltage Above Threshold
- B2204-00-Ecu Configuration Mismatch
- B22A9-04-Ecu Internal Performance-System Internal Failures
- U0011-00-Can Interior Bus Off Performance
- U0140-00-Lost Communication With Body Control Module
- U0203-00-Lost Communication With Left Front Door Module
- U0204-00-Lost Communication With Right Front Door Module
- U0422-00-Implausible Data Received From Body Control Module
- U0485-00-Implausible Data Received From Radio
- U0504-00- Implausible Data Received From Left Front Door Module
- U0505-00- Implausible Data Received From Front Right Door Module
- U11FA-00-Lost Communication With Right Blind Spot Sensor
- U147D-00-Implausible Data Received From Right Blind Spot Sensor
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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.