P0122: Throttle/Pedal Position Sensor/Switch A Circuit Low

What does P0122 mean?

The TPS signal voltage is lower than normal.

Generic OBD-II definition: Throttle/Pedal Position Sensor/Switch A Circuit Low. Confirm applicability in your vehicle service information.

Common causes

• Open or shorted wiring
• Faulty TPS

Symptoms

• Reduced power mode
• Stalling

Can I keep driving with P0122?

Severity: Medium Drive gently and get it diagnosed soon.

If the check engine light is flashing or the car runs badly, stop driving and have it checked.

Typical fixes

• Inspect connector and wiring
• Replace sensor