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P1759 governor pressure zero pressure

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SOURCE: 2000 Dodge Durango - P1757 GOV Pressure Not Equal

I have had to replace the governor on those dodge transmissions, and there is a filtering metal mesh screen around the governor inlet port that seems to always get plugged up with small metal shavings. The governor is located under the transmission pan to the rear of the main valve body.

Posted on May 05, 2010

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I got error code P1759. not sure if I need to order a shift solenoid or what to fix the problem


There is a factory service bulletin for the 2003-2010 Infiniti vehicles with 5-Speed A/T for the P1759 code. The bulletin recommends replacing the Transmission Valve Body to fix the problem.

Read more: http://engine-codes.com/p1759_infiniti.html#ixzz3ZIMl6GG9

May 05, 2015 | 2006 Infiniti M35

1 Answer

What is p01757 code for a dodge durango


Code 1757 means the transmission governor pressure is above 3psi when it should be zero. The sensor and circuit would need to be tested.

Jul 14, 2014 | 2007 Dodge Durango

1 Answer

2004 jeep code 1763 what to do


P1763 - Governor Pressure Sensor Voltage Too High

This code is refer for the governor pressure sensor which is located in the valve body of the transmission. If getting power to the sensor and the wires are not open or shorted then the sensor will need to be replaced.

GOVERNOR SOLENOID AND PRESSURE SENSOR
REMOVAL

Hoist and support vehicle on safety stands.
Remove transmission fluid pan and filter.
Disengage wire connectors from pressure sensor and solenoid (see picture)
Remove screws holding pressure solenoid retainer to governor body.
Separate solenoid retainer from governor (see picture)
Pull solenoid from governor body
Pull pressure sensor from governor body.
Remove bolts holding governor body to valve body.
Separate governor body from valve body
Remove governor body gasket.

INSTALLATION
Before installing the pressure sensor and solenoid in the governor body, replace O-ring seals, clean the gasket surfaces and replace gasket.

Place gasket in position on back of governor body
Place governor body in position on valve body.
Install bolts to hold governor body to valve body.
Lubricate O-ring on pressure sensor with transmission fluid.
Align pressure sensor to bore in governor body.
Push pressure sensor into governor body.
Lubricate O-ring, on pressure solenoid, with transmission fluid.
Align pressure solenoid to bore in governor body
Push solenoid into governor body.
Place solenoid retainer in position on governor
Install screws to hold pressure solenoid retainer to governor body.
Engage wire connectors into pressure sensor and solenoid Install transmission fluid pan and (new) filter.
Lower vehicle and road test to verify repair.

zjlimited_748.gif

1 - PRESSURE SOLENOID RETAINER
2 - GOVERNOR

zjlimited_749.gif

1 - PRESSURE SENSOR
2 - PRESSURE SOLENOID
3 - GOVERNOR


Hope helps.








Sep 29, 2011 | 2004 Jeep Grand Cherokee

2 Answers

What does code p1757 means?


Its a transmission code for the governor, the exact code description is " Governor pressure above 3psi in gear with MPH 0.
Either an input or output speed sensor is malfunctioning or the governor, governors go a lot on those transmissions.

Mar 10, 2011 | 1997 Jeep Grand Cherokee

1 Answer

I had a tranny gasket leak i changed it and about 2 days later engine light came on took it to the local auto parts and put the computer on it. he gave me the code P 1757 said it had something to do with...


Hope this can help:

P1757 Transmission control pressure not equal to target. (Zero pressure problem)

Theory of Operation
The Governor Pressure Control System is used to regulate the governor pressure which controls the shifts for first, second, and third gear. The Governor Pressure Control System test verifies that the requested pressure and the actual pressure are within a predetermined tolerance.

When Monitored:
While the engine is running and the gear selector is in the Drive position.

Set Condition:
This DTC will set if the monitored Governor Pressure is greater than 41.4 kPa (6 psi) for 5 seconds while the gear selector is in the Drive position with the road speed equal to zero - six times during a drive cycle. The transmission oil temperature must be between 23 - 88° C (73 - 190° F).

Possible Causes
OTHER TRANSMISSION DTC'S PRESENT
5 VOLT SUPPLY CIRCUIT OPEN
5 VOLT SUPPLY CIRCUIT OPEN INSIDE THE TRANSMISSION
TRANSMISSION OIL BURNT OR OIL PAN HAS EXCESSIVE DEBRIS - INTERNAL TRANSMISSION DAMAGE
GOVERNOR PRESSURE SENSOR
GOVERNOR PRESSURE SOLENOID
VALVE BODY
ENGINE CONTROL MODULE 5 VOLT SUPPLY
ENGINE CONTROL MODULE

Jan 12, 2011 | Dodge Ram 3500 Cars & Trucks

2 Answers

Our 2003 Durango RT will not reverse while in reverse. The car just Idles there. We hear the car switch gears, but nothing happens. What could be problem?


This is one of two things, if the truck goes into drive and moves then you have trany problems and may need to have it rebuilt, if there is no movement in reverse or drive then it could be the transfer case or trany.

Dec 11, 2010 | 2003 Dodge Durango

1 Answer

2003 Durango, Truck 5.9, Car is intermittently having trouble shifting from 1 - 2nd - reves to ~3 RPM, then lunges into the next gear. I've been doing my homework on the net, but can only find info on...


Possible Cause
The following items may be area of concern:
?¬Other transmission-related DTCs are set.
?¬Solenoid pack connector 5-volt supply circuit open.
?¬Sensor signal circuit has short to ground, short to voltage or open.
?¬Governor pressure sensor defective.
?¬Transmission fluid burnt or oil pan contains excessive debris.
?¬Governor pressure out of range.
?¬Transmission leaking internally.
?¬Defective PCM.
?¬Defective valve body.

Diagnostic Procedure
1.Using scan tool, read DTCs. If good trip counter for DTC P1756 is not displayed or displayed count is not zero, go to step 25. If good trip counter is displayed and displayed count is zero, go to next step.
2.Repair any other transmission-related DTCs before proceeding. If no other transmission-related DTCs exist, go to next step.
3.Check transmission fluid for proper level and for any debris. Fill or repair transmission as necessary. If fluid level and condition are okay, go to next step.
4.Start engine. Allow engine to reach normal operating temperature. Set parking brake, depress brake pedal and place gearshift lever in "D" position. Using scan tool, observe governor pressure sensor pressure. If pressure is greater than 3 psi (.2 kg/cm 2 ), go to next step. If pressure is 3 psi (.2 kg/cm 2 ) or less, go to step 20.
5.Turn ignition off. Install a pressure gauge at transmission governor pressure test port. Start engine. With gearshift lever in "D" position, observe gauge pressure. If pressure is 5 psi (.3 kg/cm 2 ) or more, go to step 23. If pressure is less than 5 psi (.3 kg/cm 2 ), go to next step.
6.Turn ignition off. Disconnect transmission solenoid assembly connector. Turn ignition on. Measure voltage between ground and 5-volt supply circuit at transmission solenoid harness connector terminal No. 2. If voltage is 4.5-5.5 volts, go to next step. If voltage is not 4.5-5.5 volts, go to step 19.
7.Turn ignition off. Disconnect PCM harness connector C2 (White). Measure resistance of governor pressure sensor signal circuit between transmission solenoid harness connector terminal No. 4 and PCM harness connector C2 (White) terminal No. 29. If resistance is less than 5 ohms, go to next step. If resistance is 5 ohms or more, repair governor pressure sensor signal circuit for open.
8.Disconnect PCM harness connector C1 (Black). Measure resistance of sensor ground circuit between transmission solenoid harness connector terminal No. 3 and PCM harness connector C1 (Black) terminal No. 4. If resistance is less than 5 ohms, go to next step. If resistance is 5 ohms or more, repair sensor ground circuit for open.
9.Measure resistance of governor pressure sensor signal circuit between ground and transmission solenoid harness connector terminal No. 4. If resistance is less than 5 ohms, repair signal circuit for short to ground. If resistance is 5 ohms or more, go to next step.
10.Measure resistance between sensor signal circuit and sensor ground circuit at transmission solenoid harness connector terminals No. 3 and 4. If resistance is less than 5 ohms, repair governor pressure sensor circuit for short to sensor ground circuit. If resistance is 5 ohms or more, go to next step.
11.Turn ignition on. Measure voltage of governor pressure sensor signal circuit between ground and transmission solenoid assembly connector terminal No. 4. If voltage is one volt or less, go to next step. If voltage is more than one volt, repair sensor signal circuit for short to voltage.
12.Turn ignition off. Ensure transmission solenoid harness connector is disconnected. Remove transmission oil pan. Disconnect governor pressure/temperature sensor harness connector. Inspect connector and terminals for damage. Repair as necessary. Measure resistance of governor pressure sensor 5-volt supply circuit between governor pressure/temperature sensor harness connector terminal "A" and transmission solenoid harness connector terminal No. 2. If resistance is less than 5 ohms, go to next step. If resistance is 5 ohms or more, replace transmission solenoid assembly (internal transmission harness).
13.Measure resistance of sensor ground circuit between governor pressure/temperature sensor harness connector terminal "D" and transmission solenoid harness connector terminal No. 3. If resistance is less than 5 ohms, go to next step. If resistance is 5 ohms or more, replace transmission solenoid assembly (internal transmission harness).
14.Measure resistance of governor pressure sensor signal circuit between governor pressure/temperature sensor harness connector terminal "B" and transmission solenoid harness connector terminal No. 4. If resistance is less than 5 ohms, go to next step. If resistance is 5 ohms or more, replace transmission solenoid assembly (internal transmission harness).
15.Measure resistance of governor pressure sensor signal circuit between ground and governor pressure/temperature sensor harness connector terminal "B". If resistance is less than 5 ohms, replace transmission solenoid assembly (internal transmission harness). If resistance is 5 ohms or more, go to next step.
16.Measure resistance between governor pressure sensor signal circuit and sensor ground circuit at governor pressure/temperature sensor harness connector terminals "B" and "D". If resistance is less than 5 ohms, replace transmission solenoid assembly (internal transmission harness). If resistance is 5 ohms or more, go to next step.
17.Reconnect transmission solenoid assembly harness connector. Turn ignition on. Measure voltage of governor pressure sensor signal circuit between ground and governor pressure/temperature sensor harness connector terminal "B". If voltage is more than one volt, replace transmission solenoid assembly (internal transmission harness). If voltage is one volt or less, go to next step.
18.Turn ignition off. Using DVOM, backprobe governor pressure sensor signal circuit at PCM harness connector C2 (White) terminal No. 29. Start and idle engine. Place gearshift lever in "N" position. Using scan tool, observe governor pressure sensor voltage. Compare scan tool value with DVOM voltage. If voltages match, replace governor pressure/temperature sensor. If voltages do not match, replace PCM.
19.Turn ignition off. Ensure transmission solenoid harness connector is disconnected. Disconnect PCM harness connector C2 (White). Measure resistance of 5-volt supply circuit between transmission solenoid harness connector terminal No. 2 and PCM harness connector C2 (White) terminal No. 31. If resistance is less than 5 ohms, replace PCM. If resistance is 5 ohms or more, repair 5-volt supply circuit for open.

NOTE: Removing transmission control relay in the following step may set other DTCs. Disregard these DTCs.

Nov 28, 2010 | 2003 Dodge Durango

1 Answer

2000 Dodge Durango - P1757 GOV Pressure Not Equal


I have had to replace the governor on those dodge transmissions, and there is a filtering metal mesh screen around the governor inlet port that seems to always get plugged up with small metal shavings. The governor is located under the transmission pan to the rear of the main valve body.

May 05, 2010 | 2001 Jeep Grand Cherokee

1 Answer

2001 jeep grand cherokee transmission revving-codes p1757, p1762


P1757 1T CCM 1996-2003 Cherokee, Grand Cherokee A/T Governor Pressure Above 3 PSI In Gear At 0 MPH Conditions: Engine started; vehicle driven to a speed over 30 mph, and the PCM detected the Governor Pressure Sensor was more than 3 psi with the requested pressure at 0 psi (95% duty cycle command) for 2.65 seconds. The fault must occur twice on one trip to set the code. Possible Causes: Check for the presence of other A/T related trouble codes Governor pressure Sensor is damaged or has failed Governor pressure Sensor VREF (5v) circuit is open or shorted Transmission valve body is leaking, damaged or has failed PCM has failed P1762 1T CCM 1996-2003 Cherokee, Grand Cherokee A/T Governor Pressure Sensor Offset Volts Too High/Low Conditions: Key on or engine running. Gear selector in Park or Neutral. PCM detected an out-of-range Governor Pressure Sensor signal for 1.3 seconds. The fault must occur 3 times on one trip to set a code. Possible Causes: Governor pressure Sensor VREF (5v) circuit is open Governor pressure Sensor ground circuit is open P/N switch is damaged or has failed (not operating properly) Transmission fluid has excessive debris or it is contaminated PCM has failed

Nov 17, 2008 | 2001 Jeep Grand Cherokee

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