P0A51

Drive Motor A Current Sensor Circuit

Severity

🔴 High

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
Increased fuel consumption
Unstable engine operation
The car may go into emergency mode

Causes

Motor current sensor fault A
Open or short circuit in the sensor circuit
Poor contact in connectors
Contact corrosion
Malfunction of the hybrid system control unit

How to Fix

Check the continuity of the current sensor circuit
Inspect connectors and contacts for damage
Check the resistance of the current sensor
Scan the control unit for additional errors
If necessary, replace the current sensor

Related codes

P0A52 P0A53 P0A50