2120 Mercedes Fault Code :
Read the description of 2120 in FR and the engine lights up for FR Drive Control code, there are some possible causes for it.
Square-wave output GSV 1 (pulsed switch supply) has Short circuit to positive.
Read the description of 2120 in FR and the engine lights up for FR Drive Control code, there are some possible causes for it.
Square-wave output GSV 1 (pulsed switch supply) has Short circuit to positive.
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