Having problems with your 2004 Hyundai XG350 ?

Can jump starting the car, blow the computer system?? can using a high voltage battery blow the computer system?? Hyundai trajet 2004 people carrier

Posted / edited by AnonymousUser on : 14-09-2020

Answers :

Any overcharge situation can corrupt an ECM. Incorrect placement of jumper cables and not grounding properly can definitely damage an ECM (computer) However most people still jump cars like they did before computers.. red to red and black to black.. this is WRONG.. black shoudl be grounded on alternator or car frame. If you did this and didnt ground properly you very well may have corrupted or burnt ECM. If corrupted it may be "reprogrammable" by dealer also called "flashing" if you burned it then it will have to be replaced by dealer as it requires programming to specific VIN of your vehicle.
Repair Help & Product Troubleshooting for 2004 Hyundai XG350

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