P0E38
DC/DC Converter Voltage Sensor B Low
P0E38 is an OBD-II diagnostic trouble code meaning: DC/DC Converter Voltage Sensor B Low. Common causes: malfunction of voltage sensor b dc/dc converter, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Reduced performance of the hybrid system
- Problems charging a 12-volt battery
- Incorrect operation of the vehicle's electronic systems
Causes
- Malfunction of voltage sensor B DC/DC converter
- Open or short circuit in the sensor circuit
- Problems with DC/DC converter
- Poor contact in wiring connectors
- Control unit malfunction
How to Fix
- Check continuity of sensor B circuit
- Check connectors and contacts for oxidation
- Test voltage sensor B
- Check the operation of the DC/DC converter
- If necessary, replace faulty components
Related codes
Error P0E38 by Vehicle Brand
FAQ
What does the P0E38 code mean?
P0E38 is an OBD-II diagnostic trouble code that indicates: DC/DC Converter Voltage Sensor B Low
What causes a P0E38 error code?
The most common causes of P0E38 include: Malfunction of voltage sensor B DC/DC converter; Open or short circuit in the sensor circuit; Problems with DC/DC converter; Poor contact in wiring connectors.
How do I fix a P0E38 diagnostic trouble code?
To fix P0E38: Check continuity of sensor B circuit. Check connectors and contacts for oxidation. Test voltage sensor B. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0E38?
Limited driving only, diagnose soon
How much does it cost to fix P0E38?
The estimated repair cost for P0E38 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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