Question about 1995 Hyundai Elantra
Had a power surge that fried my ECM. Replaced the ECM and now it runs but will not downshift or go into overdrive, also the tach is not working. Did I short out my TCM. I have read online that it could be the speed sensor or pulse generators. I'm trying not to sink too much more money into this car. The surge melted the main fusible link on the positive battery cable which has been replaced. It shorted out my flasher for my turn signals and the surge made my wiper motor go so fast that the plastic teeth in the motor were all broken off. I am going to replace the alternator as a safety measure incase the voltage regulator allowed too much current. I would of thought that a relay or fuse would of blown before I caused all this damage. I had this happen once before but all that happened was the I melted the fusible link on the battery, I replaced it and everything was fine. That was about 5 years ago. My sister had the same situation happpen to her 95 elantra but she took it to the dealer to have it fixed and I'm not sure what they did.
If a speed sensor, pulse generator, or shift solenoid is bad, it would make it stay in 3rd. But it would haft to flag a transmission code first. Have it scanned for codes first. If the tcm is bad, you won't be able to scan it.
Posted on Mar 01, 2009
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Posted on Jan 02, 2017
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