P2BBD

Turbocharger/Supercharger Bypass Valve A Position Sensor Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–89 (est.)

Symptoms

Loss of engine power
Unstable engine operation
Switching to emergency mode
Increased fuel consumption
Check Engine Light Illuminates

Causes

Bypass valve position sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in sensor connectors
Electrical wiring fault
Problems with the engine control unit (ECU)

How to Fix

Check the condition of the bypass valve position sensor
Check the integrity of the sensor circuit and the absence of short circuits
Clean the sensor and ECU connector contacts
Replace bypass valve position sensor if necessary
Check the operation of the turbocharger/supercharger after repair

Related codes

P2BBC P2BBE P2BBF