P0AF6

Drive Motor Inverter Temperature Sensor B Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Reduced motor power
Intermittent operation of the hybrid system
The vehicle goes into emergency mode
Error message on the dashboard

Causes

Poor contact in the sensor connector
Open or short circuit in the sensor circuit
Inverter temperature sensor malfunction
Problems with the wiring harness near the inverter
Malfunction of the motor inverter itself

How to Fix

Check the integrity of the sensor wiring and connectors
Test the resistance of the temperature sensor
Check the sensor signal with an oscilloscope
Replace temperature sensor if necessary
Diagnose the inverter module in case of repeated errors

Related codes

P0AF4 P0AF5 P0AF7