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Code P0757

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Old 04-20-2005, 09:36 PM
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Default Code P0757

Does anybody know how to fix this code?
Old 04-20-2005, 09:43 PM
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I think that is a shift solenoid code. I am not sure what the fix is, I am sure someone will chime in.
Old 04-20-2005, 09:44 PM
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I don't know how to fix it, but it has something to do with the tranny shift solenoid.
Old 04-20-2005, 09:44 PM
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Damn, you beat me to it.
Old 04-20-2005, 10:25 PM
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Thanks Brian,
Like always, you are on target. It happens "sometimes only" when shifting from drive to reverse. The motor just stall. Truck still on warranty, going to the Dealer tomorrow.
Old 04-20-2005, 10:28 PM
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Second Thanks for 2000 Silverado. He was quicker because he has a Radix.lol
Old 04-21-2005, 12:00 AM
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https://ls1tech.com/forums/showthrea...27#post2778327
Old 04-21-2005, 09:28 PM
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v8
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shift B solenoid just reset code and see if it comes back again, mine did the same thing today and i just reset it and hasn't come back on yet lol The reason it might have stuck is a lack of voltage or a surge in voltage or if you reset the code and it comes back on then its bad.
Old 04-21-2005, 11:29 PM
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v8,
The problem is not the code, the problem is the engine sometimes just die by switching from drive to reverse. When it happens then it shows the P0757 code. By clearing the code it wont solve the real problem.
Old 04-22-2005, 09:02 PM
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DTC P0757 Set, SES Lamp Illuminated, Poor Performance of Transmission, Transmission Slipping (Clean Transmission Valve Body and Case Oil Passages of Debris) #01-07-30-038B - (01/26/2004)
DTC P0757 Set, SES Lamp Illuminated, Poor Performance of Transmission, Transmission Slipping (Clean Transmission Valve Body and Case Oil Passages of Debris)

1999-2004 Passenger Cars and Light Duty Trucks

2003-2004 HUMMER H2

with 4L60-E/4L65-E Automatic Transmission (RPOs M30/M32)

This bulletin is being revised to add model years and change Cause and Correction information. Please discard Corporate Bulletin Number 01-07-30-038A (Section 07 - Transmission/Transaxle).
Condition

Some customers may comment on any of the following conditions:

* The SES lamp is illuminated.
* No 3rd and 4th gear.
* The transmission does not shift correctly.
* The transmission feels like it shifts to Neutral or a loss of drive occurs.

The vehicle free wheels above 48 km/h (30 mph). High RPM needed to overcome the free wheeling.
Cause

The most likely cause is chips or debris plugging the bleed orifice of the 2-3 shift solenoid (367). This will cause the transmission to stay in 2nd gear when 3rd gear is commanded and return to 1st gear when 4th gear is commanded.

DTC P0757 may also be set if the 2-3 shift valve (368) or 2-3 shuttle valve (369) were stuck, restricted and/or hung-up in its bore.
Correction

* Inspect / Clean the 2-3 shift valve (368), the 2-3 shuttle valve (369) and the valve bore of debris / metal chips.
* Inspect / Clean the 2-3 shift solenoid (367) opening of debris / metal chips. While inspecting the 2-3 shift solenoid (367), look for a screen over the solenoid opening. If the solenoid DOES NOT have a screen, replace the solenoid with P/N 10478131 that does have a screen over the solenoid opening.

Refer to the appropriate Service Manual for additional diagnostic information and service procedures.


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