E70A03 Mercedes Fault Code :
Read the description of E70A03 in MCM21T and the engine lights up for MCM21T - MCM Motor Control Module code, there are some possible causes for it.
Component 10Y20: EGR solenoid valve has a short circuit to positive.
Read the description of E70A03 in MCM21T and the engine lights up for MCM21T - MCM Motor Control Module code, there are some possible causes for it.
Component 10Y20: EGR solenoid valve has a short circuit to positive.
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