P0A54

Drive Motor A Current Sensor Circuit High

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
The car goes into emergency mode
Increased fuel consumption
Unstable operation of the hybrid power plant

Causes

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

How to Fix

Check the continuity of the current sensor circuit
Inspect connectors and contacts for corrosion
Test the current sensor with a multimeter
Check the sensor readings using a diagnostic scanner
Replace faulty current sensor if necessary

Related codes

P0A53 P0A55 P0A56