Code result
B0122
Pedestrian Alert Speaker A
Moderate severity
What it means
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?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Speaker coil open
highOne of the most commonly reported causes for this code — check this first.
Related help
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