U066E

Lost Communication With Charge Air Cooler Temperature Sensor Bank 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Unstable engine operation
Errors in turbocharging operation

Causes

Open or short circuit in the sensor circuit
Intercooler temperature sensor malfunction
Connector problems or contact corrosion
Engine ECU malfunction
Wiring harness damage

How to Fix

Check the integrity of the sensor circuit
Inspect connectors and contacts for damage
Check the resistance of the temperature sensor
Replace intercooler temperature sensor if necessary
Scan the CAN network for errors

Related codes

U066D U066F U0100