SC430 - 2nd Gen (2001-2010)

SC430 - Died / Trouble Codes

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Old 08-21-17, 07:08 PM
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KingReyes
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Default SC430 - Died / Trouble Codes

P0031
P0037
P0051
P0057
P0102

All appeared after replacing alternator - Car died while driving. Started back in limp mode.

Remedied by replacing the EFI relay. I found this problem through the Tundra & Tacoma forum respectively.

I made this thread so it's in the archives for anyone who searches and those 5 codes pop up together.
Old 08-21-17, 07:46 PM
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Bgw70
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Originally Posted by KingReyes
P0031
P0037
P0051
P0057
P0102

All appeared after replacing alternator - Car died while driving. Started back in limp mode.

Remedied by replacing the EFI relay. I found this problem through the Tundra & Tacoma forum respectively.

I made this thread so it's in the archives for anyone who searches and those 5 codes pop up together.
are you saying the new or old alternator destroyed the EFI relay?
what does it look like?

Last edited by Bgw70; 08-22-17 at 03:29 AM.
Old 08-21-17, 08:25 PM
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KingReyes
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I'm not going to single out the new alternator yet as the culprit as I was driving around with the dying alternator.




The gray fuse next to the top right brown fuse.
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Old 09-17-18, 04:21 PM
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HOODCELEBS
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Mines is dying too EFI wires are burning what can be the cause
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