P0E93

Drive Motor B Inverter Voltage Sensor B Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Reduced motor power
Check Engine light comes on
The car goes into emergency mode
Increased fuel consumption (for hybrids)
Unusual noises from the electric motor

Causes

Faulty inverter voltage sensor
Open or short circuit in the sensor circuit
Wiring Harness Problems
Malfunction of the inverter itself
Poor contact in connectors

How to Fix

Check voltage at inverter sensor B
Inspect the sensor circuit for damage
Check connectors and contacts for oxidation
Replace voltage sensor if necessary
Test the inverter operation

Related codes

P0E90 P0E91 P0E92