OBD-II code · Body
B0105 Front Crash Sensor Right Communication Lost
Communication with the right front crash sensor has been lost.
Is it safe to drive with B0105?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen bus wiring to sensor
- Less likelyGateway module routing CAN messages incorrectly
- Less likelyCAN terminating resistor (120 Ω) drifted out of spec
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.6–2.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Right Front Crash Sensor, Srs Bus
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.