P0AB0

Hybrid/EV Battery Pack Air Temperature Sensor A Circuit Intermittent/Erratic

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Increased fuel consumption
Reduced performance of the hybrid system
Flashing check engine light
Error message on the dashboard
Hybrid system start failure

Causes

Open or short circuit in the sensor circuit
Poor contact in sensor connectors
Battery temperature sensor malfunction
Wiring harness damage
Problems with the BAT or PCM control module

How to Fix

Check the integrity of the wiring to the temperature sensor
Check connectors for corrosion or damage
Measure the resistance of the temperature sensor
Check reference signal and circuit ground
Repair only from an authorized dealer

Related codes

P0AB1 P0AB2 P0A9F P0AA1