P0B70
Hybrid/EV Battery Voltage Sense K Circuit High
P0B70 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Voltage Sense K Circuit High. Common causes: battery voltage sensor fault, damage to the wiring in the measurement circuit. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- Reducing electric range
- Incorrect battery level readings
- The car goes into emergency mode
Causes
- Battery voltage sensor fault
- Damage to the wiring in the measurement circuit
- Contact corrosion in a high voltage system
- Problems with the battery management module
- Malfunction of the highest voltage battery
How to Fix
- Check the condition of the high-voltage battery
- Inspect the voltage measurement circuit for damage
- Check sensor contacts and connectors
- Test voltage sensors
- Diagnose the battery control module
Related codes
Error P0B70 by Vehicle Brand
FAQ
What does the P0B70 code mean?
P0B70 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Voltage Sense K Circuit High
What causes a P0B70 error code?
The most common causes of P0B70 include: Battery voltage sensor fault; Damage to the wiring in the measurement circuit; Contact corrosion in a high voltage system; Problems with the battery management module.
How do I fix a P0B70 diagnostic trouble code?
To fix P0B70: Check the condition of the high-voltage battery. Inspect the voltage measurement circuit for damage. Check sensor contacts and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B70?
Do not drive — repair immediately
How much does it cost to fix P0B70?
The estimated repair cost for P0B70 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat