WebDec 6, 2016 · Reflash used gm ecm/tcm. Just tried to reflash and change VIN in a used ECM for 2010 Malibu, and GM SPS wouldn't let me change VIN. I did notice SPS now calls it ECM/TCM flash sequence now. I did read on drewtech and it said GM will only allow a reflash to VIN in used ecm, but will let you write a VIN and mileage to a clean ecm. WebAug 4, 2024 · Here are the steps to take, when facing this problem. #Step 1. Don’t attempt to open or mess with the ECU or ECM, unless the technician is qualified for the car in question. The engine diagnostic and code …
Most common car ECU problems & How to fix them
WebJun 15, 2009 · Does anyone know how to clean the connections at the ECM, I have … WebPowertrain Control Module (PCM) In most cars, the Powertrain Control Module contains the ECM and TCM in one unit. By combining them, the PCM can better regulate their functions together. For example, when the … good netflix movies for 10 year olds
How To Clean A Mass Air Flow Sensor (5 Steps)
WebAug 27, 2015 · Allow a few moments to pass before reconnecting the cables. 4. Reconnect the positive cable to the battery. 5. Reconnect the negative cable to the battery. 6. Turn the Vehicle on. The ECM … WebJun 30, 2024 · 2) Corrosion. The ECU has seals around it which are supposed to prevent moisture from entering inside. However, after a number of years, these seals tend to become worn out. If the seals become too … WebDec 8, 2024 · Safety glasses are a good idea, as well. Use an electric parts cleaner on a soft rag or paper towel to clean the outside of the MAP sensor. Spray the electric parts cleaner into the sensor port — a couple of … good netflix movies horror