P0E39
DC/DC Converter Voltage Sensor B High
P0E39 is an OBD-II diagnostic trouble code meaning: DC/DC Converter Voltage Sensor B High. Common causes: malfunction of voltage sensor b dc/dc converter, damage or corrosion in the sensor circuit. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Reduced performance of the hybrid system
- Problems charging a 12-volt battery
- The car may go into emergency mode
- Possible error messages on the dashboard
Causes
- Malfunction of voltage sensor B DC/DC converter
- Damage or corrosion in the sensor circuit
- Wiring Harness Problems
- Malfunction of the DC/DC converter itself
- Circuit Grounding Problems
How to Fix
- Check continuity of voltage sensor B circuit
- Check connections and contacts in the circuit
- Test voltage sensor B
- If necessary, replace the voltage sensor
- Check and, if necessary, replace the DC/DC converter
Related codes
Error P0E39 by Vehicle Brand
FAQ
What does the P0E39 code mean?
P0E39 is an OBD-II diagnostic trouble code that indicates: DC/DC Converter Voltage Sensor B High
What causes a P0E39 error code?
The most common causes of P0E39 include: Malfunction of voltage sensor B DC/DC converter; Damage or corrosion in the sensor circuit; Wiring Harness Problems; Malfunction of the DC/DC converter itself.
How do I fix a P0E39 diagnostic trouble code?
To fix P0E39: Check continuity of voltage sensor B circuit. Check connections and contacts in the circuit. Test voltage sensor B. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0E39?
Limited driving only, diagnose soon
How much does it cost to fix P0E39?
The estimated repair cost for P0E39 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat