Error code
OBD2 U0154
OBD2U0154
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Lost Communication With Restraints Occupant Sensing Control Module.
Severity
highCan drive, but safety systems may be compromised.
Summary
U0154 indicates that there is no communication between the car's diagnostic system and the supplementary restraint system (SRS) occupant sensing control module, which monitors airbags and seatbelt sensors.
Common Causes
- Faulty SRS occupant sensing control module
- Data bus or wiring issues related to the SRS module
Fixes
FAQ
What should I do if my car shows U0154?
Consult a professional mechanic to diagnose and repair the issue with the SRS occupant sensing control module or related wiring.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- U0100Lost Communication With ECM/PCM A
- U0101Lost Communication with TCM
- U0102Lost Communication with Transfer Case Control Module
- U0103Lost Communication With Gear Shift Module
- U0104Lost Communication With Cruise Control Module
- U0105Lost Communication With Fuel Injector Control Module
- U0106Lost Communication With Glow Plug Control Module
- U0107Lost Communication With Throttle Actuator Control Module
- U0108Lost Communication With Alternative Fuel Control Module
- U0109Lost Communication With Fuel Pump Control Module
- U0110Lost Communication With Drive Motor Control Module
- U0111Lost Communication With Battery Energy Control Module 'A'