U0154
Lost Communication With Restraints Occupant Classification System Module
U0154 is an OBD-II diagnostic trouble code meaning: Lost Communication With Restraints Occupant Classification System Module. Common causes: broken or damaged wiring to the ocsm module, passenger classification module malfunction. Estimated repair cost: $56–278.
Symptoms
- Airbag light is on
- Security error message on dashboard
- Incorrect operation of airbags
- No seat belt indicator for passenger
Causes
- Broken or damaged wiring to the OCSM module
- Passenger classification module malfunction
- Module power problems
- Contact corrosion
- Software error in the control unit
How to Fix
- Check the integrity of wiring and connectors
- Check power and grounding of the OCSM module
- Scan the system for additional trouble codes
- If necessary, replace the passenger classification module
- Repair only from an authorized dealer
Related codes
Error U0154 by Vehicle Brand
FAQ
What does the U0154 code mean?
U0154 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Restraints Occupant Classification System Module
What causes a U0154 error code?
The most common causes of U0154 include: Broken or damaged wiring to the OCSM module; Passenger classification module malfunction; Module power problems; Contact corrosion.
How do I fix a U0154 diagnostic trouble code?
To fix U0154: Check the integrity of wiring and connectors. Check power and grounding of the OCSM module. Scan the system for additional trouble codes. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0154?
Do not drive — repair immediately
How much does it cost to fix U0154?
The estimated repair cost for U0154 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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