P0A46

Drive Motor B Position 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 driving modes
Increased fuel consumption

Causes

Open or short circuit in the sensor circuit
Malfunction of the position sensor itself
Connector problems or contact corrosion
Mechanical damage to the motor or sensor
Hybrid module software errors

How to Fix

Check the integrity of the sensor circuit
Inspect connectors and contacts for damage
Check resistance and sensor signal
If necessary, replace the position sensor
Update hybrid module software

Related codes

P0A45 P0A47 P1A00