P0C81 OBD-II: Hybrid Battery Temperature Sensor "H" Circuit

P0C81 Severity

Urgent

Should you fix P0C81 yourself?

Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.

Proper diagnosis will save you time and money on unnecessary repairs.

Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.

Schedule Diagnosis

P0C81 Summary Find a Repair Shop P0C81 Details Ask RepairPal CarGenius Other OBD-II Codes

What causes OBD-II fault code P0C81?

The hybrid battery pack uses multiple sensors to monitor the temperature of each battery cell. If one of the battery temperature sensors reports an implausible temperature, code P0C81 will set.If multiple sensors fail, the High Voltage System may be disabled.

OBD II Fault Code

OBD II P0C81

OBD-II Code Wiring issue is defined as a Hybrid Battery Temperature Sensor "H" Circuit

Common Problems That Trigger the P0C81 Code

High voltage battery assembly failure
High voltage battery interface control module failure
Wiring issue

OBD Code Resources

Exceptional warranty

Shops offer at least a 12-month or 12,000-mile warranty.

Satisfied customers

We ensure high satisfaction through verified customer reviews.

Transparent pricing

You'll get a Fair Price Guarantee on all RepairPal estimates.

Millions trust us for auto repair — RepairPal Certified^® locations must pass a rigorous approval process to ensure quality, customer satisfaction, and fair pricing.

OBD II Fault Code

OBD II P0C81

OBD-II Code Wiring issue is defined as a Hybrid Battery Temperature Sensor "H" Circuit

Common Problems That Trigger the P0C81 Code

High voltage battery assembly failure
High voltage battery interface control module failure
Wiring issue

P0C81 OBD-II: Hybrid Battery Temperature Sensor "H" Circuit

Should you fix P0C81 yourself?

What causes OBD-II fault code P0C81?

Need a P0C81 diagnosis? Trust our experts.

OBD II Fault Code

Common Problems That Trigger the P0C81 Code

OBD Code Resources

Ask our experts about P0C81.

Other OBD-II Codes

OBD II Fault Code

Common Problems That Trigger the P0C81 Code