The most common causes of P1B97 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 P1B97 for Kia EV6?

Recommended steps to address P1B97: (1) Schedule service as soon as possible (2) Reduce driving speed and avoid long trips (3) Monitor for additional warning messages (4) Have the vehicle diagnosed by a certified technician. Always consult a qualified EV technician for high-voltage system repairs.

Is it safe to drive with P1B97?

Driving with P1B97 is not recommended for extended distances. Schedule service within a few days to prevent further damage. Monitor for any additional warning lights.

Kia EV6

P1B97

Warning

High Voltage Battery Temperature Sensor Fault

Severity

Warning

What does P1B97 mean?

Fault code P1B97 means "High Voltage Battery Temperature Sensor Fault". This is a Hyundai-specific EV diagnostic trouble code for the Hyundai E-GMP platform. It is classified as "battery" with a severity level of "warning". Applicable models: IONIQ 5, IONIQ 6, Kia EV6.

Possible Causes

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

Recommended Actions

1 Schedule service as soon as possible
2 Reduce driving speed and avoid long trips
3 Monitor for additional warning messages
4 Have the vehicle diagnosed by a certified technician

This code applies to all vehicles. View generic P1B97 information →