P1B38
Battery Energy Control Module Hybrid Battery Voltage Balance Processor 5 Performance
P1B38 is an OBD-II diagnostic trouble code meaning: Battery Energy Control Module Hybrid Battery Voltage Balance Processor 5 Performance. Common causes: voltage balance processor malfunction, problems with the control module software. Estimated repair cost: $167–556.
Symptoms
- Hybrid system power reduction
- Increased fuel consumption
- Check Engine Light Illuminated
- Reduced efficiency of regenerative braking
- Error messages on the dashboard
Causes
- Voltage balance processor malfunction
- Problems with the control module software
- Damage to the wiring to the control module
- Corrosion or poor contact in connectors
- Problems with high voltage battery
How to Fix
- Diagnose the battery energy management module
- Update module software
- Check the integrity of wiring and connectors
- If necessary, replace the control module
- Check the condition of the high-voltage battery elements
Related codes
FAQ
What does the P1B38 code mean?
P1B38 is an OBD-II diagnostic trouble code that indicates: Battery Energy Control Module Hybrid Battery Voltage Balance Processor 5 Performance
What causes a P1B38 error code?
The most common causes of P1B38 include: Voltage balance processor malfunction; Problems with the control module software; Damage to the wiring to the control module; Corrosion or poor contact in connectors.
How do I fix a P1B38 diagnostic trouble code?
To fix P1B38: Diagnose the battery energy management module. Update module software. Check the integrity of wiring and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1B38?
Limited driving only, diagnose soon
How much does it cost to fix P1B38?
The estimated repair cost for P1B38 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
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