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P0740 & P1750 Trans Codes

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  #1  
Old 04-30-2012 | 07:10 PM
yellowtailfan's Avatar
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Joined: Apr 2012
Posts: 1
Default P0740 & P1750 Trans Codes

2000 Honda Accord LX, 4 cylinder.\, 130,000 miles

Need help from the experts on this forum. I'm very mechanically inclined...been working on cars 30+ years. And I've been searching for the codes P0740 and P1750. I've heard these are "death" so to speak. I'm looking to know if this is a fixable tranny item to make the car reasonably driveable. I've talked with Eagle Transmissions, Dallas, Tx - searched the internet, multiple forums, etc... Candidly, I'm not getting straight answers. If you truly know your stuff, please help. I understand these codes mean a bad TCC or a bad hydraulic control unit.

Can i buy a new TCC in install?
Can i locate the electrical pieces which over heat and turn brown on the circuit board, solder in new parts and fix my issue?
Is this truly a tranmission rebuild kinda fix?

Look forward to some expert advice.
 
  #2  
Old 04-30-2012 | 09:33 PM
Dr. Drivability's Avatar
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Joined: Aug 2011
Posts: 1,149
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for p0740 here is a blurb from honda's service news:
Missing O-Ring Can Cause
A/T DTC P0740
This info applies to all models with A/T except
Passport.
Before you replace the trans for DTC P0740 (Lock-up
Control System) or for delayed engagement after
sitting overnight, inspect the O-ring on the snout of
the torque converter. If it
s damaged or missing,
replace it and clear the DTC. Usually a new O-ring is

all you need to fix the trans.

no additional troubleshooting tips for p1750 other than what the o.e. has.

worth a shot if you're gonna pull the tranny anyway.
 
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