Code 51, Faulty Mem-Cal
Check that pins are fully inserted in the socket and that MEM-CAL is properly latched in position. If no problem is visible, replace MEM-CAL, clear codes and recheck. If Code 51 reappears, replace ECM.
Check that pins are fully inserted in the socket and that MEM-CAL is properly latched in position. If no problem is visible, replace MEM-CAL, clear codes and recheck. If Code 51 reappears, replace ECM.