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Old 10-23-2009, 02:57 PM   #1
2003MercMaraude
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Default check engine code 11, coolant hot light flashes code 23, 95 SL2

I have a 95 SL2 I am working on for a friend. She complained of a check engine light "and some other light" that she didn't remember, coming on intermittently.

Plugging the ALDL A&B pins together gives me code 11 on the check engine light, and code 23 on the coolant level/temp high light on the other side of the dash.

Code 11 looks like a transmission code but I can't find what code 23 on the coolant level/temp high light means. Hopefully it tells me more about what transmission fault is being reported.

Can anyone shed some light on this? Hopefully she does not have a major trans issue, I got rid of my 93 SL2 with less than 90k miles on it because after replacing the valve body twice I was never able to resolve harsh 1-2 part throttle upshifts. I thought the TAAT was supposed to be pretty durable!

Her car has only 81k on it too

Thanks

Steve

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Old 10-23-2009, 04:39 PM   #2
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Default Re: check engine code 11, coolant hot light flashes code 23, 95 SL2

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Old 10-23-2009, 05:17 PM   #3
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Default Re: check engine code 11, coolant hot light flashes code 23, 95 SL2

Thank you for that info. No 3rd gear, holy crap. That's not good. I have a spare reman valve body but I am sure as heck not going to change another TAAT valve body with an unsure probability of fixing anything.

The only things I can think of are to check the adjustment on the range selector, and to check to make sure the multi-pin plug that goes to the valve body, is not corroded or full of fluid.

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