P0B88
Hybrid/EV Battery Voltage Sense P Circuit Low
P0B88 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Voltage Sense P Circuit Low. Common causes: p circuit voltage sensor malfunction, damage to the measuring circuit wiring harness. Estimated repair cost: $56–278.
Symptoms
- Hybrid system power reduction
- Increased fuel consumption
- Check Engine Light Illuminates
- Reduced efficiency of regenerative braking
- Error messages on the display
Causes
- P circuit voltage sensor malfunction
- Damage to the measuring circuit wiring harness
- Poor contact in connectors
- Battery cell problems
- Battery management module malfunction
How to Fix
- Check the integrity of the P circuit wiring harness
- Check connections and contacts of sensors
- Test voltage sensors
- Check the condition of the battery cells
- Battery Management Module Diagnostics
- Repair only from an authorized dealer
Related codes
Error P0B88 by Vehicle Brand
FAQ
What does the P0B88 code mean?
P0B88 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Voltage Sense P Circuit Low
What causes a P0B88 error code?
The most common causes of P0B88 include: P circuit voltage sensor malfunction; Damage to the measuring circuit wiring harness; Poor contact in connectors; Battery cell problems.
How do I fix a P0B88 diagnostic trouble code?
To fix P0B88: Check the integrity of the P circuit wiring harness. Check connections and contacts of sensors. Test voltage sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B88?
Limited driving only, diagnose soon
How much does it cost to fix P0B88?
The estimated repair cost for P0B88 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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