U0241

Lost Communication With Headlamp Control Module A

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Headlights do not work or work incorrectly
Lighting error message on dashboard
Automatic light switching does not function
Flashing or spontaneous turning on/off of headlights
Adaptive lighting functions disabled

Causes

Open or short circuit in the module power supply circuit
Damage to the wiring harness to the control module
Malfunction of the headlight control module itself
Connector problems or contact corrosion
Module software failures

How to Fix

Check fuses associated with the lighting system
Inspect the wiring harness and module connectors for damage.
Check the power and ground on the module contacts
Scan the module for additional errors
If necessary, replace the headlight control module

Related codes

U0242 U0240 U0231