U0151
Lost Communication With Restraints Control Module
U0151 is an OBD-II diagnostic trouble code meaning: Lost Communication With Restraints Control Module. Common causes: open or short circuit in the communication circuit, airbag module power supply problems. Estimated repair cost: $56–278.
Symptoms
- The airbag light on the dashboard is on
- Airbags may not deploy in a crash
- Lack of communication with the module in diagnostic equipment
- There may be problems with seat belt pretensioners
Causes
- Open or short circuit in the communication circuit
- Airbag module power supply problems
- Malfunction of the airbag module itself
- Wiring harness damage
- Corrosion of connectors
How to Fix
- Check fuses associated with the airbag system
- Inspect the airbag module connectors and wiring
- Check the power supply and ground of the module
- Scan the airbag module for additional error codes
- Repair only from an authorized dealer
Related codes
Error U0151 by Vehicle Brand
FAQ
What does the U0151 code mean?
U0151 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Restraints Control Module
What causes a U0151 error code?
The most common causes of U0151 include: Open or short circuit in the communication circuit; Airbag module power supply problems; Malfunction of the airbag module itself; Wiring harness damage.
How do I fix a U0151 diagnostic trouble code?
To fix U0151: Check fuses associated with the airbag system. Inspect the airbag module connectors and wiring. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0151?
Do not drive — repair immediately
How much does it cost to fix U0151?
The estimated repair cost for U0151 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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