The most common causes of P0122 include: Sensor failure or signal out of range; Wiring harness damage or loose connection; Control module software issue; Vacuum leak or air intake restriction. A professional OBD-II scan tool is recommended for accurate diagnosis.

Recommended steps to address P0122: (1) Schedule service as soon as possible (2) Check and replace the affected sensor if confirmed faulty (3) Inspect wiring and connectors for damage. Always consult a qualified EV technician for high-voltage system repairs.

Is it safe to drive with P0122?

Driving with P0122 is not recommended for extended distances. Schedule service within a few days to prevent further damage. Monitor for any additional warning lights.

P0122

Warning

Throttle Position Sensor/Switch A Circuit Low Input

Severity

Warning

What does P0122 mean?

Fault code P0122 means "Throttle Position Sensor/Switch A Circuit Low Input". It is a standard OBD-II diagnostic trouble code (DTC) in the powertrain system, classified as "powertrain" with a severity level of "warning". This code indicates a condition that should be addressed soon. Schedule a diagnostic appointment within the next few days to prevent further damage. This code is defined by the SAE J2012 / ISO 15031-6 standard and applies to OBD-II compliant vehicles sold in the US, EU, and other global markets.

Possible Causes

Sensor failure or signal out of range
Wiring harness damage or loose connection
Control module software issue
Vacuum leak or air intake restriction

Recommended Actions

1 Schedule service as soon as possible
2 Check and replace the affected sensor if confirmed faulty
3 Inspect wiring and connectors for damage