P0E91
Drive Motor B Inverter Voltage Sensor B Circuit
P0E91 is an OBD-II diagnostic trouble code meaning: Drive Motor B Inverter Voltage Sensor B Circuit. Common causes: inverter b voltage sensor fault, open or short circuit in the sensor circuit. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- The car goes into emergency mode
- Increased fuel consumption (for hybrids)
- Problems with regenerative braking
Causes
- Inverter B voltage sensor fault
- Open or short circuit in the sensor circuit
- Wiring Harness Problems
- Malfunction of the inverter itself
- Poor contact in connectors
How to Fix
- Check the integrity of the sensor circuit
- Check connections and connectors
- Test the voltage sensor
- Check the operation of the inverter
- If necessary, replace the sensor or inverter
Related codes
Error P0E91 by Vehicle Brand
FAQ
What does the P0E91 code mean?
P0E91 is an OBD-II diagnostic trouble code that indicates: Drive Motor B Inverter Voltage Sensor B Circuit
What causes a P0E91 error code?
The most common causes of P0E91 include: Inverter B voltage sensor fault; Open or short circuit in the sensor circuit; Wiring Harness Problems; Malfunction of the inverter itself.
How do I fix a P0E91 diagnostic trouble code?
To fix P0E91: Check the integrity of the sensor circuit. Check connections and connectors. Test the voltage sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0E91?
Limited driving only, diagnose soon
How much does it cost to fix P0E91?
The estimated repair cost for P0E91 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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