What does code P1222 mean?

Q: What does code P1222 mean?

Traction Control Output Circuit. P1222 on a Mazda means the traction control system (TCS) has detected an electrical fault in its output circuit, which is the wiring the control module uses to command the throttle or brake intervention. The computer monitors the circuit for abnormal voltage or current and sets this code when the signal does not match what it expects during a self-test or while traction control is active.

DTC codes / Mazda codes / P1222

P1222 · MazdaTraction Control Output Circuit

P1222 on a Mazda means the traction control system (TCS) has detected an electrical fault in its output circuit, which is the wiring the control module uses to command the throttle or brake intervention. The computer monitors the circuit for abnormal voltage or current and sets this code when the signal does not match what it expects during a self-test or while traction control is active.

SystemPowertrain

Code typeMazda specific

SeverityMedium

Fix difficultyIntermediate

AreaFuel and air metering (injector circuits)

Guidance is general and written for Mazda vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.