The most common causes of P317E include: Battery management system (BMS) malfunction; High voltage battery cell imbalance; Battery temperature sensor fault; High voltage contactor failure. A professional OBD-II scan tool is recommended for accurate diagnosis.

How do I fix P317E for Nissan LEAF?

Recommended steps to address P317E: (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 P317E?

No. P317E 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

P317E

Critical

Li-Ion Battery Cell Voltage Deviation

Severity

Critical

What does P317E mean?

Fault code P317E means "Li-Ion Battery Cell Voltage Deviation". This is a Nissan-specific EV diagnostic trouble code for the Nissan EV platform. It is classified as "battery" with a severity level of "critical". Applicable models: Nissan LEAF (2010+), Nissan LEAF e+ (2019+).

Possible Causes

Battery management system (BMS) malfunction
High voltage battery cell imbalance
Battery temperature sensor fault
High voltage contactor 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 P317E information →