What are the common causes of P0ABC?

A hybrid battery pack voltage below the normal range. Corrosion or damage in the voltage sense A circuit. A failed voltage sensor. A faulty battery or charging system.

Read battery pack voltage sense A data on a scan tool. Measure the hybrid battery pack voltage against spec. Inspect the voltage sense A wiring and connectors. Check the battery and charging system. Replace the voltage sensor if the signal stays low. Clear the code and retest.

P0ABC

Hybrid/EV Battery Pack Voltage Sense A Circuit Low

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

What it means

P0ABC means Hybrid/EV Battery Pack Voltage Sense A Circuit Low.

Check these first

A hybrid battery pack voltage below the normal range
Corrosion or damage in the voltage sense A circuit
A failed voltage sensor
A faulty battery or charging system

What to do next

Read battery pack voltage sense A data on a scan tool
Measure the hybrid battery pack voltage against spec
Inspect the voltage sense A wiring and connectors
Check the battery and charging system
Replace the voltage sensor if the signal stays low
Clear the code and retest

Look up another code

Code or symptom

Enter a full code or a symptom. Press / to search. How to read a code

Type a code above, or start from a symptom or a common code.

Updated

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