U0650

Lost Communication With Exhaust Pressure Control Valve A Sensor/Switch

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine Light Is On
Deterioration of vehicle dynamics
Increased fuel consumption
The car goes into emergency mode
Possible problems with the exhaust gas recirculation system

Causes

Open or short circuit in the sensor circuit
Malfunction of the exhaust gas pressure sensor
Connector problems or contact corrosion
Malfunction of the exhaust gas pressure control valve
Problems with the engine ECU

How to Fix

Check the integrity of the sensor circuit
Inspect connectors and contacts for damage or corrosion
Check the functionality of the exhaust gas pressure sensor
Check the condition of the exhaust gas pressure control valve
If necessary, replace faulty components

Related codes

U0651 U0652 U0653