P0A18

Motor Torque Sensor Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Deterioration of vehicle dynamics
Switching to emergency mode
Check Engine Light Illuminates
Unstable transmission operation
Decreased fuel efficiency

Causes

Torque sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Mechanical damage to the sensor
Software error in the control unit

How to Fix

Check the integrity of the sensor wiring and connectors
Check resistance and sensor signals
Replace sensor if necessary
Check and update the control unit software
Carry out a test drive to check the problem has been resolved

Related codes

P0A19 P0A1A P0A1B