U0151 on 2022-2024 Jeep Grand Cherokee — Lost Communication With Restraints Control Module
1 vehicles · 1 makes · $150-$1,200 repair
How to diagnose and fix U0151: most-reported vehicles
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Jeep Grand Cherokee · 2022–2024
Owners of WL-generation Grand Cherokee models have reported persistent airbag warning lights and restraint system messages tied to seat wiring/connectors, especially around second-row or seat-mounted side airbag circuits. FCA also issued safety actions/TSB guidance on certain restraint-related faults in this generation. The practical problem is that the SRS may be disabled or operate improperly until the connector, harness, or module issue is corrected.
Common Symptoms
- airbag warning light on
- service airbag system message
- restraint system warning chime
- intermittent warning after moving seats
- warning returns after clearing codes
How to Fix
Scan the Occupant Restraint Controller for stored codes, then inspect under-seat connectors, terminal tension, harness routing, and any signs of pin drag or intermittent contact. Repairs typically involve connector replacement, terminal repair, harness retention updates, or module/software updates depending on the exact fault. Clearing the light without fixing the root cause usually results in repeat warnings.
Owner tips & cautions
- TipOwners often suggest documenting exactly when the warning appears, especially after seat movement or folding the second row, to help isolate an intermittent connector issue.
- TipAvoid probing SRS connectors with generic test lights; use proper scan diagnostics and battery disconnect procedures before any seat harness inspection.
Sources for this issue (1)
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U0151 code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does U0151 mean?
U0151 stands for "Lost Communication With Restraints Control Module." This network (U) code means other modules have lost communication with the restraints control module (the airbag/SRS computer) over the data bus. Because the restraints control module manages airbag and seatbelt pretensioner deployment, a communication loss can mean these safety systems are unavailable and the airbag warning light is typically on. The cause is usually power, ground, wiring, or connector related, though the module itself can fail. This is safety-critical and should be diagnosed promptly.
What are the most common causes of U0151?
The most common causes of U0151 are: Loss of power or ground to the restraints control module, Blown fuse feeding the module, Wiring or connector fault on the bus circuit, Corrosion at module connectors (often under-seat moisture), Faulty restraints control module, Bus communication wiring damage. The specific cause varies by vehicle.
How much does it cost to fix U0151?
Repair costs for U0151 range from $150 to $1,200, depending on the vehicle and root cause.
Which vehicles are affected by U0151?
Au7o has documented U0151 across 1 vehicle models from 1 manufacturers: Jeep.
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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.