P0A52

Drive Motor A Current Sensor Circuit Range/Performance

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
Switching to emergency mode
Problems with switching hybrid transmission modes
Increased fuel consumption

Causes

Motor current sensor fault A
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Problems with the hybrid system control unit
Mechanical damage to wiring

How to Fix

Diagnose the sensor circuit with a multimeter
Check connectors and wiring condition
Measure the sensor readings with the engine running
If necessary, replace the current sensor
Check and reflash the control unit if necessary

Related codes

P0A50 P0A51 P0A53