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 MANUALSJEEP2024GRAND CHEROKEE L LIMITED, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULE (BCM) - DTCS U1216-00 TO U151A-87
2024 Jeep Grand Cherokee L Limited, RWD
Body Control Module (BCM) - DTCS U1216-00 To U151A-87
2024 Jeep Grand Cherokee L Limited, RWDSECTION Body Control Module (BCM) - DTCS U1216-00 To U151A-87
- DTC Troubleshooting
- U1216-00 - Lost Communication With Driver Assistance System Module
- U121E-00 - Lost Communication With Steering Wheel Cruise Control Switch
- U1221-00 - Lost Communication With Left Headlamp Module
- U1222-00 - Lost Communication With Right Headlamp Module
- U1223-00 - Lost Communication With Wireless Charging Pad Module
- U1433-23-Implausible Ignition Switch Status Message Received-Signal Stuck Low
- U1433-24-Implausible Ignition Switch Status Message Received-Signal Stuck High
- U1485-86-Implausible Data Received From Automatic Sway Bar System
- U1514-64-Engine Controller Secret Code - Signal Plausibility Failure
- U1514-87-Engine Controller Secret Code - Missing Message
- U1515-62-Steering Column Lock Secret Code - Signal Compare Failure
- U1515-64-Steering Column Lock Secret Code - Signal Plausibility Failure
- U1515-87-Steering Column Lock Secret Code - Missing Message
- U1516-64-RF Hub Secret Code - Signal Plausibility Failure
- U1516-87-RF Hub Secret Code - Missing Message
- U151A-64-Hybrid Control Processor Secret Code-Signal Plausibility Failure
- U151A-87-Hybrid Control Processor Secret Code-Missing Message
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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.