B0122
Pedestrian Alert Speaker A
B0122 is an OBD-II diagnostic trouble code meaning: Pedestrian Alert Speaker A. Common causes: open or short circuit in loudspeaker circuit, malfunction of the loudspeaker itself. Estimated repair cost: $33–167.
Symptoms
- No sound warning for pedestrians
- Illumination of the malfunction warning lamp on the instrument panel
- Error message on the on-board computer display
Causes
- Open or short circuit in loudspeaker circuit
- Malfunction of the loudspeaker itself
- Wiring harness damage
- Problems with the warning system control unit
How to Fix
- Check the integrity of the wiring harness and connectors
- Check speaker impedance
- Connect an OBD-II scanner to diagnose the control unit
- Replace the loudspeaker if necessary
- Clear error memory and check if code is returned
Related codes
Error B0122 by Vehicle Brand
FAQ
What does the B0122 code mean?
B0122 is an OBD-II diagnostic trouble code that indicates: Pedestrian Alert Speaker A
What causes a B0122 error code?
The most common causes of B0122 include: Open or short circuit in loudspeaker circuit; Malfunction of the loudspeaker itself; Wiring harness damage; Problems with the warning system control unit.
How do I fix a B0122 diagnostic trouble code?
To fix B0122: Check the integrity of the wiring harness and connectors. Check speaker impedance. Connect an OBD-II scanner to diagnose the control unit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0122?
Yes, but get it checked soon
How much does it cost to fix B0122?
The estimated repair cost for B0122 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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