The L90089551 control unit is a control unit for LED daytime running lights. It is used in a variety of vehicles, including the Ford Kuga, Ford Grand C-MAX, and Ford Mondeo. The control unit is responsible for turning the daytime running lights on and off, as well as adjusting their brightness.

The control unit has a number of functions, including:

• Turning the daytime running lights on and off
• Adjusting the brightness of the daytime running lights
• Diagnosing daytime running light faults

The control unit is connected to the daytime running lights via a wiring harness. The harness provides power and control signals to the control unit. The control unit then uses these signals to turn the daytime running lights on and off, adjust their brightness, and diagnose problems with them.

If the L90089551 control unit fails, the daytime running lights may not turn on or function properly. Symptoms of a faulty control unit may include:

• Daytime running lights not coming on
• Daytime running lights that turn on and off
• Daytime running lights that are not bright or are not adjusted correctly

If you experience any of these symptoms, you should have your ECU diagnosed by a qualified mechanic.

The L90089551 control unit is a complex electronic component. It's important that it be installed and repaired by a qualified mechanic.

The Valeo LED control module L90089551 has the following part numbers printed on the ballast.

Part Numbers:

FORD: 5218640-CV44-13B626-AA-CV4413B626AA

Compatible for:

• Ford Grand C-MAX 2015, 2016, 2017
• Ford Kuga II 2013, 2014, 2015, 2016
• Ford Kuga III 2016, 2017

Note: This list is not exhaustive, the module may also fit other car models, please check the provided part numbers, pictures and compare them with your old parts.