DTC P1611: ECM Write Error Check the ''On Board Diagnostic (OBD) System Check''. Was the ''OBD System Check'' performed? YES – Substitute a known-good ECM and recheck. If symptom/indication goes away, replace the original ECM. NO – Go to OBD System Check.

DTC P1612: Gate Array Quantity Stop Check the ''On Board Diagnostic (OBD) System Check''. Was the ''OBD System Check'' performed? YES – Substitute a known-good ECM and recheck. If symptom/indication goes away, replace the original ECM. NO – Go to OBD System Check. aaa