P0A57

Drive Motor B Current Sensor Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
Unstable engine operation
Increased fuel consumption
Problems with switching operating modes of the hybrid system

Causes

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

How to Fix

Check the continuity of the current sensor circuit
Inspect the connectors and contacts of the sensor
Check the resistance and voltage at the sensor
Replace faulty current sensor
Test the operation of the hybrid system after repair

Related codes

P0A56 P0A58 P0A59