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

Clearing trouble codes?

Old Nov 3, 2004 | 11:12 AM
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Default Clearing trouble codes?

Got a 96 LT4. I am looking to clear the trouble codes and get the SES light to go off. I don't have a scanner or code reading software, had Auto Zone check the codes. OBD 1 you could pull the ECM fuse for ten seconds and clear the codes. Tried it on the 96 and it didn't work. I would prefer not to disconnect the battery as I don't want to lose the PKE key fobs and have to redo them. If it's the only way it's not that big a deal I guess. Thanks.
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Old Nov 3, 2004 | 12:29 PM
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Originally Posted by CP5150
Got a 96 LT4. I am looking to clear the trouble codes and get the SES light to go off. I don't have a scanner or code reading software, had Auto Zone check the codes. OBD 1 you could pull the ECM fuse for ten seconds and clear the codes. Tried it on the 96 and it didn't work. I would prefer not to disconnect the battery as I don't want to lose the PKE key fobs and have to redo them. If it's the only way it's not that big a deal I guess. Thanks.
The key fobs don't lose their memory when you disconnect the battery.

To clear the codes after fixing the problem, disconnect the battery or pull the PCM fuse.
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Old Nov 3, 2004 | 12:35 PM
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Old Nov 3, 2004 | 12:57 PM
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Originally Posted by 96GS#007
The key fobs don't lose their memory when you disconnect the battery.

To clear the codes after fixing the problem, disconnect the battery or pull the PCM fuse.
Sorry, I thought I read here if you pull the battery for winter storage, the PKE forgets the codes for the fobs and they need to be reset. I don't see a PCM fuse. ECM, CCM 1, 2, and 3 too. Maybe I'll just disconnect the battery. Thanks guys!
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