Code P1870...What does it mean??? - GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat

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Code P1870...What does it mean???

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Old 06-09-2005, 01:41 AM
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Default Code P1870...What does it mean???

I got a CE light the other day, and this is the code that was read word for word:
P1870 - Manfacurer Contrl.
Transmission

What does it mean?
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Old 06-10-2005, 12:25 PM
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anyone??? My car went to the shop today, so I should know by the end of the day whats wrong.
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Old 06-10-2005, 12:45 PM
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I'd jump on it Mike, but I don't know the OBD2 codes well enough. The FSM definition of the fault is what we really need here.
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Old 06-10-2005, 01:25 PM
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Oh..it helps. It helps me think...Good luck Mike!
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Old 06-10-2005, 11:22 PM
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Thats exactly what the trans shop told us today. I guess the TC is wearing out after 183k miles, how unreliable . We were advised to get the whole transmission rebuilt since he will already be in there, and since we plan on keeping the car it is probably a good idea.
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Old 06-11-2005, 03:44 PM
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Mike, I just dropped you a line in the surging post.... I think I probably have the same fate awaiting me in the not-too-distant future. I hope you've got good tranny guys rebuilding it, and maybe you can throw a few aftermarket parts in there to make it stronger than stock. This definitely gives me more reason to believe that my TC surging could be the beginning of the end. Thanks for being the sacrificial lamb!
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