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Re: Check engine light: P0740 Transmission problem?
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Originally Posted by beast2047
I have a similar problem but I threw a rod and replaced the engine with a rebuilt one, then my check engine light came on. Took to trans shop and replaced the sol pack and now the default sticks at about 50mph again. two codes pop again 1776 &1784. I was told that the Trans on these cars are horrible and this will be constant. 141k mi on the car.
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I wouldn't say the trannys are horrible. The only major problems I have read about are the input and output sensors going bad on a "regular" basis. Your codes suggest a different problem, such as:
"1776 Chrysler Solenoid Switch Valve Latched in LR Position (this is a transmission issue which may involve replacing the valve body and solenoid pack; on some models there is a TSB on this problem so be firm with your dealer / Chrysler)." or, there is
P1776 Ignition Retard Request Duration Fault
along with:
P1784 Transmission Mechanical Failure - First And Reverse
It just depends on which company's code you are reading.
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 TinMan
99 M Cypress Green, performance rear sway bar, Brembo rotors w/CT3 pads, tint, Sirius, K&N intake, debadged, many other mods.
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