P0E8F

Drive Motor A Inverter Voltage Sensor B Circuit High

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$67–278 (est.)

Symptoms

Check Engine light comes on
Reduced motor power
Switching to emergency mode
Increased fuel consumption (in hybrid vehicles)
Possible jerks during operation of the electric motor

Causes

Inverter voltage sensor B fault
Open or short circuit in the sensor circuit
Connection problems or connector corrosion
Malfunction of the motor inverter itself
Problems with the control module software

How to Fix

Check continuity of voltage sensor B circuit
Check connections and connectors for corrosion
Test voltage sensor B using a multimeter
If necessary, replace the voltage sensor
If the problem persists, check the motor inverter

Related codes

P0E8E P0E90 P0E91