P2B70

Turbocharger/Supercharger A Temperature Sensor Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
The engine goes into emergency mode
Unstable operation of the turbocharger
Increased fuel consumption

Causes

Turbocharger temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in sensor connectors
Problems with the engine control unit
Corroded contacts or damaged wiring

How to Fix

Check the condition of the turbocharger temperature sensor
Check the integrity of the sensor circuit and the condition of the connectors
Measure resistance and voltage at the sensor
Replace temperature sensor if necessary
Clean contacts and repair damaged wiring

Related codes

P2B71 P2B72 P2B73