The most common causes of P312C include: Drive motor inverter malfunction; Motor position sensor fault; Motor temperature exceeding limits; Power electronics module failure. A professional OBD-II scan tool is recommended for accurate diagnosis.

How do I fix P312C for Nissan LEAF?

Recommended steps to address P312C: (1) Stop driving immediately and park in a safe location (2) Do not attempt to restart the vehicle (3) Contact roadside assistance or authorized dealer (4) Have the vehicle towed to an authorized service center. Always consult a qualified EV technician for high-voltage system repairs.

Is it safe to drive with P312C?

No. P312C is a critical fault code indicating an immediate safety risk. Stop driving as soon as safely possible and contact roadside assistance or an authorized service center.

Nissan LEAF

P312C

Critical

Traction Motor Inverter Condenser Discharge Error

Severity

Critical

What does P312C mean?

Fault code P312C means "Traction Motor Inverter Condenser Discharge Error". This is a Nissan-specific EV diagnostic trouble code for the Nissan EV platform. It is classified as "motor" with a severity level of "critical". Applicable models: Nissan LEAF (2010+), Nissan LEAF e+ (2019+).

Possible Causes

Drive motor inverter malfunction
Motor position sensor fault
Motor temperature exceeding limits
Power electronics module failure

Recommended Actions

1 Stop driving immediately and park in a safe location
2 Do not attempt to restart the vehicle
3 Contact roadside assistance or authorized dealer
4 Have the vehicle towed to an authorized service center

This is a critical fault code. Pull over safely and seek immediate professional assistance.

This code applies to all vehicles. View generic P312C information →