U068C

Lost Communication With Turbocharger/Supercharger Inlet Pressure Sensor B

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

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

Causes

Open or short circuit in the sensor circuit
Turbocharger pressure sensor malfunction
Poor contact in the sensor connector
Problems with power or grounding of the sensor
Engine control unit malfunction

How to Fix

Check the integrity of the wiring harness to the sensor
Check connections and contacts in the sensor connector
Measure the resistance and voltage of the sensor
Replace turbocharger pressure sensor if necessary
Check and update ECU firmware if updates are available

Related codes

U068B U068D P0236