Repair Benz V260L W448 MRM Steering Column Module with CG Pro

Vehicle Model: Mercedes Benz V260L W448

Year: July 2016

Module: steering column module  (MRM)

Symptom:  steering angle sensor malfunction, instrument indicator turns on

Fault code: Autel Maxisys diagnostic scanner read out fault code C220500 (There is an internal fault in the steering angle sensor)

Device to repair: CG Pro 9S12 programmer

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Repair steering column module is cheaper than replace a new module.

Procedure:

Turn off ignition switch.

Remove and disassemble module MRM.

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Locate IC chip. Pay attention to the timing mark location.

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Open CG Pro software

Select Type->Other->Mercedes->V260 MRM

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Check wiring diagram

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Connect CGPro & DB25 adapter with MRM IC chip follow the diagram

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Read data

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Save data

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Open the new MRM or fixed MRM data

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Write new data to MRM

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Write data succeed

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Clear existing fault code.

Install steering column module to original state.

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Done.

 

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