A4040A Mercedes Fault Code :
Read the description of A4040A in MCM21T and the engine lights up for MCM21T - MCM Motor Control Module code, there are some possible causes for it.
Component 10Y38: Turbobrake solenoid valve reacts too slowly.
Read the description of A4040A in MCM21T and the engine lights up for MCM21T - MCM Motor Control Module code, there are some possible causes for it.
Component 10Y38: Turbobrake solenoid valve reacts too slowly.