P0ABD

Hybrid/EV Battery Pack Voltage Sense A Circuit High

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–1667 (est.)

Symptoms

Check engine light comes on
Hybrid system power reduction
The vehicle goes into emergency mode
Inability to use electric mode
Warning message on dashboard

Causes

High voltage battery fault
Problems in the voltage measurement circuit
Malfunction of the hybrid control module (HPCM)
Short circuit in the system
Poor contacts or corrosion in connectors

How to Fix

Check the actual battery voltage using a multimeter
Inspect voltage measurement circuits for damage
Check connectors and contacts for corrosion
Scan for other trouble codes
Check the operation of the HPCM control module
Repair only from an authorized dealer

Related codes

P0ABE P0ABF P0A80