B0103
Front Crash Sensor Left Communication Lost
Communication with the left front crash sensor has been lost; SRS deployment logic for frontal impacts is degraded.
Possible causes
- Open bus wiring high
- Gateway module routing CAN messages incorrectly low
- CAN terminating resistor (120 Ω) drifted out of spec low
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
What Pro shows you for B0103
Before you go to the garage: roughly what the repair costs, how long it takes and which components are involved.
- Repair cost (estimate)(visible in Pro mode)
- Labour time(visible in Pro mode)
- 2 affected components(visible in Pro mode)
With the workshop key: 12 € or 12 TRYX (also in KIN at the current rate), one year, no subscription – also valid for all workshop tools in the labyrinth. Or free with the newsletter. Already have a key? One click is enough.