U02C0

Lost Communication With Active Radiator Air Flow Control Module A

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–167 (est.)

Symptoms

Check Engine Light Is On
Possible problems with engine cooling
Reduced cooling system efficiency
Incorrect engine temperature readings
Errors in climate control operation

Causes

Open or short circuit in the module power supply circuit
Damage to the wiring harness to the module
Radiator control module malfunction
Problems with the CAN bus
ECU software errors

How to Fix

Check fuses associated with the module
Inspect the wiring harness for damage
Check the power supply and ground of the module
Scan the CAN bus for errors
If necessary, replace the control module

Related codes

U02C1 U02C2 U02C3