P0A30

Drive Motor B Temperature Sensor Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine Light Is On
Hybrid system power reduction
Switching to emergency mode
Increased heating of the electric motor
Unstable operation of the hybrid system

Causes

Motor temperature sensor fault B
Open or short circuit in the sensor circuit
Poor contact in circuit connectors
Wiring harness damage
Malfunction of the hybrid system control module

How to Fix

Check the integrity of the sensor circuit
Inspect connectors and contacts for corrosion or damage
Check the resistance of the temperature sensor
Replace faulty temperature sensor
Test the hybrid system control module

Related codes

P0A29 P0A31 P0A32