U0622

Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–89 (est.)

Symptoms

Check Engine Light Is On
Reduced engine power
Increased fuel consumption
Problems with the exhaust gas recirculation system
Unstable engine idling

Causes

Exhaust temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Wiring harness damage
Engine control unit malfunction

How to Fix

Check the integrity of the sensor circuit
Inspect the sensor connector and contacts
Check the resistance of the exhaust temperature sensor
Replace sensor if necessary
Check the operation of the engine control unit

Related codes

U0621 U0623 P0546