OBD-II code · Body
B0122 Pedestrian Alert Speaker A
Fault on pedestrian alert speaker A — emits an artificial driving sound at low speed on EVs/hybrids (legally required, e.g. UNECE R138, FMVSS 141).
Is it safe to drive with B0122?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySpeaker coil open
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Pedestrian Alert Speaker A, Speaker Wiring
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.