Launch X-431 Pad 7 Solved Benz W176 LED Day Light Not Work

Mercedes Benz W176 A class LED day light does not work after LEFT headlamp module replacement. Launch X-431 PAD Series can support to solve the problem, working on tablets like Launch PAD VII, PAD V & IMMO PAD. Following is the detailed solution.

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Solution Procedure
Make a full health report and check all DTC at first.
Click “Read fault code”.
There’s a DTC:
B177655 – Control unit “Actuation module, LED exterior lighting, left front” has a malfunction. The component is not configured.
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Special function >> Teach-in processes >> Commissioning of control unit “E1n7″(Actuation module, LED exterior lighting, left front)” >> Continue
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Follow the instruction to input string.
Click “Continue”.

The coding is being performed, please wait…
Commissioning of control unit “E1n7″(Actuation module, LED exterior lighting, left front)”
– initial startup of the control unit was completed successfully.
Check the following light functions:
– E1e5(Left front turn signal light)
– E1e13(Left parking light, standing light and daytime running light)
Click “Continue”.
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Go to Clear Fault Code.
Are you sure to clear fault memory? Yes
Clear fault memory completed.
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Go back to read fault code again.
There’s no DTC.
Problem was solved!
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This is how to use Launch X431 Pad 7 to solve the Mercedes LED daylight not working problem.
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