RX - 1st Gen (1999-2003) Discussion topics related to the 1999 -2003 RX300 models

VSC, Trac Off and CEL come on after Battery replacement

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Old 11-07-11, 07:57 AM
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pbonck
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Default VSC, Trac Off and CEL come on after Battery replacement

Yesterday I had to remove my battery for use on another one of my toys. When I reinstalled it everything seemed fine. This morning after pulling out of my driveway my VSC, Trac Off and CEL lights came on. After reading some similar posts I began checking all the likely causes. Gas cap is okay, hose on the air filter housing is good, and I reset the EFI relay. The lights still come on. I haven't taken it to have the codes read but will do so on my home today. Any other likely causes?
Old 11-07-11, 08:18 AM
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salimshah
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If you can reset all codes and start over.

Salim
Old 11-07-11, 08:46 AM
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pbonck
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Is there a way to do that with a jumper or do you need the OSD reader?
Old 11-07-11, 12:47 PM
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salimshah
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The OBDII scanner is the best way to do it.

Next is to to remove the supply to the ecu for about 15min [you can pull the right fuse or disconnect the battery]. When you reconnect, make sure you do one solid connection and not arc. Removing supply to ecu will result in lost seat memory, radio presets and also pinch protection.

When you go to get the codes read, ask to reset code [some do it and some dont]

Salim
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