U069D

Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 4

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
Incorrect operation of the exhaust gas recirculation system
Possible misfires

Causes

Open or short circuit in wiring harness
Poor contact in the EGT sensor connector
Exhaust temperature sensor malfunction
Problems with the engine control unit
Corroded contacts or damaged wires

How to Fix

Check the integrity of the wiring harness to the EGT sensor
Inspect the sensor connector for damage and corrosion.
Check the resistance of the exhaust temperature sensor
Replace EGT sensor if necessary
Check and update ECU firmware if manufacturer's recommendations are available

Related codes

U069E U069F P0546