P1901
Turbine Shaft Speed Sensor Circuit Intermittent
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)
Symptoms
- Unstable engine operation
- Power reduction
- Increased fuel consumption
- Check engine light comes on
- Noises from the turbocharger
Causes
- Damage to wiring or connectors
- Turbine speed sensor malfunction
- ECU problems
- Short circuit in the circuit
- Poor contact in connectors
How to Fix
- Check the integrity of wiring and connectors
- Test turbine speed sensor
- Check the operation of the turbocharger
- Replace sensor if necessary
- Clean or replace damaged connectors