What are the common causes of P0B54?

An open or short in the voltage sense F circuit. A failed battery pack voltage sense F sensor. Corrosion in the voltage sense F connector. A loose voltage sense F connection.

Read battery pack voltage sense F on a scan tool. Check the sense F circuit for an open or short. Measure the sense F voltage against pack voltage. Inspect the sense F connector for corrosion. Replace the sense F sensor if the circuit tests good. Clear the code and retest.

P0B54

Hybrid/EV Battery Voltage Sense F Circuit

System: Powertrain control (P code)
Lamp: Check Engine Light
Category: Powertrain - Hybrid Propulsion

What it means

P0B54 means Hybrid/EV Battery Voltage Sense F Circuit.

Check these first

An open or short in the voltage sense F circuit
A failed battery pack voltage sense F sensor
Corrosion in the voltage sense F connector
A loose voltage sense F connection

What to do next

Read battery pack voltage sense F on a scan tool
Check the sense F circuit for an open or short
Measure the sense F voltage against pack voltage
Inspect the sense F connector for corrosion
Replace the sense F sensor if the circuit tests good
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.