Fault Code P0B3B
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0B3B
Hybrid Battery Pack Voltage Sense 'I' Circuit
This code indicates a fault in the hybrid battery pack voltage sense 'I' circuit. This sensor helps monitor specific cell voltages to maintain battery balance and health.
Part Details
Part Name
Hybrid Battery Voltage Sense Sensor
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪500 - ₪1,500
Engine Location
Battery Control Module (BCM)
Symptoms
- Check Engine Light on
- Battery cell voltage imbalance
- Poor battery performance
- Reduced electric range
Possible Causes
- 1Faulty voltage sensor (Circuit 'I')
- 2Damaged wiring or loose connector
- 3Corrosion in connector area
- 4Internal failure in the BCM unit
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