OBD-II code · Body
B0093 Side Impact Sensor Left Front Communication Lost
The SRS module has lost communication with the left front side impact sensor over the dedicated bus.
Is it safe to drive with B0093?
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
- PossibleSensor not powered
- Less likelyGateway module routing CAN messages incorrectly
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
- 0.5–2.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Left Front Side Impact Sensor, Srs Bus
Related codes
- B0090Driver Side Pretensioner Stage 2 Deployment Control
- B0091Passenger Side Pretensioner Stage 2 Deployment Control
- B0092Side Impact Sensor Left Front Malfunction
- B0094Side Impact Sensor Right Front Malfunction
- B0095Occupant Classification System Performance
- B0096Side Impact Sensor Left Rear Malfunction
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.