En este video vemos un diagnostico de una E250 con una 4R75 con problemas de solenoide B. Los llevo conmigo en este diagnostico explicando lo facil que puede. P0755: Shift Solenoid ‘B’ DTC Trouble Code An automatic transmission shifts gears by using hydraulic pressure to change gear ratios inside a planetary gear assembly. A solenoid is a small plunger type device that is responsible for moving valves inside the valve body so this can happen. P0755 is a diagnostic trouble code (DTC) for 'Shift Solenoid B Malfunction'. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $99.99. Splinter cell double agent for mac.

Description

What does this mean?

Two weeks ago while driving on the highway, the car downshifted and the check engine light came on. The engine code that appeared was 'P0700' and 'P0755'. P0755 called out the Shift Solenoid B Malfunction. Took my car to an independent mechanic and had him replace solenoid pack. P0755 Meaning Shift solenoid valve B is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Gears will then be shifted to the optimum position.

OBD2 Code P0755 Jeep definition:
Shift solenoid valve B is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Gears will then be shifted to the optimum position.

Symptoms

Possible sumptoms of OBD code P0755 Jeep
– Engine Light ON (or Service Engine Soon Warning Light) – Transmission will not shift gears.

Causes

Possible causes of OBD code P0755 Jeep
– Low transmission fluid level – Dirty transmission fluid – Faulty shift solenoid B valve – Shift solenoid B valve harness or connectors – Shift solenoid B valve circuit is open or shorted The Error code is generally activated on detection of the following conditions: The P0755 Jeep code is detected when TCM detects an improper voltage drop when it tries to operate the solenoid valve.

The OBD2 Code Information Be Applicable For Jeep:

P0755 5r110

,2013 Jeep Wrangler Unlimited Moab,2013 Jeep Wrangler Rubicon 10th Anniversary,2013 Jeep Grand Cherokee Trailhawk,2012 Jeep Wrangler Unlimited Altitude,2012 Jeep Wrangler Freedom Edition,2012 Jeep Wrangler Dragon Concept,2012 Jeep Wrangler Call of Duty MW3,2012 Jeep Wrangler Arctic,2012 Jeep Wrangler,2012 Jeep Liberty Arctic,2012 Jeep Grand Cherokee SRT8,2012 Jeep Grand Cherokee Concept,2011 Jeep Wrangler Mojave,2011 Jeep Wrangler Call of Duty Black Ops,2011 Jeep Wrangler,2011 Jeep Patriot,2011 Jeep Grand Cherokee UK Version,2011 Jeep Grand Cherokee,2011 Jeep Compass,2009 Jeep Wrangler Unlimited EV,2009 Jeep Patriot EV,2008 Jeep Wrangler Unlimited UK Version,2008 Jeep Wrangler UK Version,2008 Jeep Renegade Concept,2008 Jeep Patriot Back Country Concept,2008 Jeep Liberty,2008 Jeep Grand Cherokee S-Limited UK Version,2008 Jeep Grand Cherokee Overland UK Version,2008 Jeep Grand Cherokee,2008 Jeep EV Concept,2008 Jeep Cherokee,2007 Jeep Wrangler Unlimited,2007 Jeep Wrangler Rubicon,2007 Jeep Trailhawk Concept,2007 Jeep Patriot UK Version,2007 Jeep Patriot,2007 Jeep Grand Cherokee UK Version,2007 Jeep Grand Cherokee SRT-8 UK Version,2007 Jeep Compass UK Version,2007 Jeep Compass,2007 Jeep Commander UK Version,2006 Jeep Grand Cherokee SRT8,2006 Jeep Commander 4×4 Limited 5.7 HEMI,2005 Jeep Wrangler UK Version,2005 Jeep Patriot Concept,2005 Jeep Liberty Renegade 3.7,2005 Jeep Liberty CRD Limited,2005 Jeep Hurricane Concept,2005 Jeep Grand Cherokee 5.7 Limited,2005 Jeep Gladiator Concept,2005 Jeep Compass Concept,2005 Jeep Cherokee UK Version,2004 Jeep Wrangler Unlimited,2004 Jeep Rescue Concept,2003 Jeep Treo Concept,2003 Jeep Grand Cherokee UK Version,2003 Jeep Cherokee UK Version,2003 Jeep Cherokee Renegade,2002 Jeep Willys2 Concept

Note:

1. The list of automotive Makes at the right edge of the screen. The currently selected ODB-ii codes is for the Jeep makes.

2. Look up the other OBD II Trouble Codes, please use the search box. Enter the 5 character trouble codes in the search box and submit the search.

3. Don’t assume a particular OBD-II code means the same for other auto manufacturers as there are many makes specific codes in use.

4. If your OBD-II trouble codes are for a different car, select that vehicle series before searching for the diagnostic codes because not all OBD2 codes used by one manufacture are used by the other makes.

5. The information contained on this site is presented for informational purposes only. We are not responsible for any actions you take on your vehicle. If you have any doubt as to repairs on your vehicle, please contact your technician.

Fix code P0750 P0755 P0760 P0765 Chrysler Minivans

The solenoid pack in these Chrysler vehicles regulates transmission oil pressure to activate the clutch packs and make the vehicle shift. The solenoid receives a pulsed signal from the PCM and the solenoid responds by opening and closing the port up to 10 times per second. This action is called “duty cycling.” So if the solenoid is open 5 times in one second, it’s at 50% duty cycle.

The PCM constantly checks the condition of the solenoid pack and reports any of the P0750, P0755, P0760, P0765 trouble codes when it finds a problem. Then it puts the vehicle into “limp in” mode so you can drive the vehicle into the shop. To confirm that the problem is actually the solenoid pack all you need is a digital multi-meter. Disconnect the electrical connector from the solenoid pack and test the resistance between pins 1 & 5, 1 & 7, and 1 & 8. The yellow/red wire goes to pin 1. All the solenoids should read 1-3 ohms. If the readings are out of range, replace the solenoid pack.

If you need a new solenoid pack, check out this link. Just enter your vehicle info at the top to double check the part number.

© 2012 Rick Muscoplat

Posted on by Rick Muscoplat

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