P0C86

Hybrid/EV Battery Temperature Sensor F/G Correlation

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
The car goes into emergency mode
Reducing electric range
Error message on display

Causes

Temperature sensor F or G faulty
Problems with wiring to sensors
Poor contact in connectors
Battery module failure
Problems with the battery management system

How to Fix

Check temperature sensor readings using diagnostic equipment
Inspect the wiring and sensor connectors
Check the resistance of temperature sensors
Replace faulty temperature sensor
Check and replace battery module if necessary

Related codes

P0C85 P0C87 P0A80