P2579

Turbocharger/Supercharger Speed Sensor A Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Unstable engine operation
Increased fuel consumption
Turbo lag (turbine response delay)

Causes

Turbocharger speed sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Mechanical damage to the turbocharger
Problems with the engine control unit

How to Fix

Check the condition of the turbocharger speed sensor
Inspect the wiring harness and connectors for damage.
Check resistance and sensor signal
Replace sensor if necessary
Test the operation of the turbocharger

Related codes

P2562 P2563 P2564