C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

OBD2 not working

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Old Sep 19, 2023 | 08:34 PM
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Default OBD2 not working

This is my question. I have bought this 96 Corvette low miles Just noticed the service engine light came on went to AutoZone had them connect their scanner not powering on. Read some forms checked my fuses .all fuses are working properly none of them burned out. Are there any other suggestions on how to get power to run the OBD2 scanner. I thought it was a cigarette lighter cuz I wasn't getting any power . pulled the console plugged it back in still no power. No power to interior lights but the ones behind the seats they cut the sockets out.
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Old Sep 19, 2023 | 09:08 PM
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Spitballing, but it could be their scanner. I know some folks have had issues with some scanners on the 96 OBD2 port. I have a cheap scanner that works on mine, but there have been threads here where folks have reported trouble reading codes.
Try using a paperclip and jumping the ports to read codes on the dash. Lots of threads on that.
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Old Apr 7, 2024 | 08:21 PM
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Originally Posted by Chinaski
Spitballing, but it could be their scanner. I know some folks have had issues with some scanners on the 96 OBD2 port. I have a cheap scanner that works on mine, but there have been threads here where folks have reported trouble reading codes.
Try using a paperclip and jumping the ports to read codes on the dash. Lots of threads on that.
I found that I had to run a jumper wire from the center console 12v wire to the OBD2 power wire. And I noticed my interior lights came on also .. but the fuse at the fuse panel is not burned out.. I may have to open up the dash and see what the other guy did when installing the aftermarket radio as I noticed my front speakers don't work either.. he may have cut a wire .
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