P0B98
Hybrid/EV Battery Voltage Sense S Circuit High
P0B98 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Voltage Sense S Circuit High. Common causes: high voltage battery fault, damage to the voltage sensor circuit. Estimated repair cost: $56–556.
Symptoms
- Check Engine light comes on
- Reduced vehicle power
- The car goes into emergency mode
- Reducing the range of an electric vehicle
- Incorrect battery level readings
Causes
- High voltage battery fault
- Damage to the voltage sensor circuit
- Short circuit in the measuring circuit
- Battery management module (BMS) malfunction
- Problems with contacts in connectors
How to Fix
- Check the condition of the high-voltage battery
- Inspect the voltage sensor circuit for damage
- Check resistance and continuity
- Scan the battery management module for errors
- Check connections and contacts in connectors
- Repair only from an authorized dealer
Related codes
Error P0B98 by Vehicle Brand
FAQ
What does the P0B98 code mean?
P0B98 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Voltage Sense S Circuit High
What causes a P0B98 error code?
The most common causes of P0B98 include: High voltage battery fault; Damage to the voltage sensor circuit; Short circuit in the measuring circuit; Battery management module (BMS) malfunction.
How do I fix a P0B98 diagnostic trouble code?
To fix P0B98: Check the condition of the high-voltage battery. Inspect the voltage sensor circuit for damage. Check resistance and continuity. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B98?
Do not drive — repair immediately
How much does it cost to fix P0B98?
The estimated repair cost for P0B98 is $56–556. Actual cost depends on your vehicle, location, and labor rates.
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