P0785 4l60eAnd will go from unknown to D3 when changing gears on the column. Trouble Code Conditions: DTC P0502, P0503, P0740, P0753, P0758, P0785 and P1860 not set, engine started, vehicle driven to a speed of 30-82 at an engine speed of 1000. Get 4L60E transmission rebuilding tips, 4L60E troubleshooting help, 4L60E technical service bulletins, 4L60E diagnostics and 4L60E technical information from TRNW. Never happenend before, been parked since. 2000 blazer k the code p0785 showed up so i bought one shift solenoid but . Below you will see a complete list of common 4l60e diagnostic codes and their meanings. 3 with 4L80e Swap Issues. Re: 4L60E trans in ( LIMP MODE ) UPDATE. P0758 Shift solenoid "B" electrical/2-3 shift solenoid circuit electrical P0753 Shift solenoid "A" electrical 1-2 shift solenoid circuit electrical P1860 TCC (Torque convertor clutch ) solenoid circuit open,or shorted to ground,or shorted to power. 7 liter, 4L60E equipped Silverado, Tahoe, Suburban or the GMC equivalents. Fix code P0740 P0753 P0758 P0785 P1860. Tach and speedo will stop working out of the blue and when this happens truck feels like it is stuck in 3rd gear. I had the same issue with a '97 Burb. When they do work the transmission works also. The code P0785 Shift Timing Solenoid A Malfunction is set there is a general malfunction present within the solenoid or its circuit. I've owned this truck for over a year now and had no troubles other than a slight hard shift from 1st to 2nd if under 1600rpm. DTC P0785 generally involves the 3-2 Shift Solenoid (SS) valve assembly, which is used in many different 4-speed automatic transmissions and transaxles, like the GM 4L65-E. I Have 2006 Silverado With Codes P0753 P0758 P0785 P2761 Already. 4L60E Code (DTC) P0785 Shift/Timing Solenoid Malfunction/ 3-2 Shift . How to replace shift solenoid in 1999 Chevy Blazer. It is an evolution of the Turbo-Hydramatic 700R4, originally produced in 1982. The ECM (Engine Control Module) illuminates the MIL (Malfunction Indicator Lamp) with P0787 and associated codes ( P0785, P0786, P0788, and P0789) when it monitors one or more issues within the shift timing solenoid or it's circuit. 4L60E technician's guide - GRAIL. I just received a P0785 code that says 3-2 shift solenoid. If you have an Overdrive or other transmission warning lamp, it. The trouble codes related to this, the "B" solenoid, are codes P0755, P0756, P0757, P0758 and P0759 based on the specific malfunction that alerts the PCM to set the code and illuminate the Check Engine Light. If you have a GM vehicle that has a 4L60-E transmission, a P0785 code is defined as "Transmission 3-2 Shift Solenoid. The solenoid attaches to the control valve body within the transmission. I am getting the following codes with a reader: p0785 shift/timing solenoid malfunction . The ECM (Engine Control Module) illuminates the MIL (Malfunction Indicator Lamp) with P0787 and associated codes ( P0785, P0786, P0788, and P0789) when it monitors one or more issues within the shift timing solenoid or it's circuit. Pull over, turn it off, and restart all is fine for a week or two. They are called ON/OFF solenoids and can be normally open to fluid flow or normally closed to block fluid flow. The Powertrain Control Module ( PCM) controls the solenoid by providing a ground path. This is a generic trouble code, meaning it applies to all vehicles with the OBD-II system, especially those made since 1996 up to present and equipped with automatic transmission. From a troubleshooting guide, this was a fault with the 1-2 or 2-3 solenoids not engaging, putting the transmission into 4th gear and causing the "no-moving" . 98 Chevy 1500 Z71 260k Transmission 4L60E Recently replaced 1/2 2/3 Shift Solenoid, Trans Filter, fluid and **Ignition Tumbler** P0740- Torque Converter Clutch (TCC) Enable Circuit P0785- transmission 3-2 Shift Soleniod P1860- PWM Solenoid Electrical Fault I have tested the #20 Fuse and it has power to both sides and appears to be good. Remanufactured 4L60E / 4L65E Transmissions. What is the severity of this DTC?. 4l60e throwing codes p0758 p0740 p0785 p2761 p0753 when you out it in gear it skips 1st gear. This video is specifically for all five of these codes simultan. 2000 GMC Yukon Denali with engine codes P0740, P0753, P0758. The trouble codes related to this, the "B" solenoid, are codes P0755, P0756, P0757, P0758 and P0759 based on the specific malfunction that alerts the PCM to set the code and illuminate the Check Engine Light. Transmission may not shift to the next gear | What Does the P0785 Chevrolet Code Mean? The 3-2 Shift Solenoid (SS) valve assembly is a normally-closed, 3-port, on/off device that controls the 3-2 downshift. codes p0740, p0753, p0758, p0785,. If this is the solenoid you replaced then you will need to start looking for . Problem With Transmission or Electrical Issue With Codes. diagnose p0753 on a 2001 Chevy Tahoe 4L60e transmission. In this video, master mechanic Mike Bauer and myself show you how to replace shift solenoid B (or as GM likes to call it, shift solenoid 2-3). This can happen for multiple reasons and a mechanic needs to. What Does Code P0785 Mean? Shift solenoids control the pressure force which in turn controls the position of the shift valve. I just put a new 3-2 shift solenoid in and same code p0785. P0503, P0740, P0753, P0758, P0785 and P1860 not set, engine started, vehicle driven to a speed of 30-82 at an engine speed of 1000-3000 rpm, Fuel Shutoff inactive, TP. Manual GM Chevrolet para Diagnosticar P0785 4L60. check the main wire harness connection, be careful tho, the. 4L60E Code (DTC) P0785 Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical 4L60E Code (DTC) P0786 Shift/Timing Solenoid Range/Performance 4L60E Code (DTC) P0787 Shift/Timing Solenoid Low. Codes P0785, P0740, sometimes transmission will not downshift stays in drive. P0785—3-2 Solenoid Electrical Fault P1860—TCC PWM Solenoid Electrical Fault • 4L80E applications fail to shift, or will drop into second gear intemittently. • 4L60E fail to shift and may drop or stay in 3rd gear when the shift lever is in the OD. 4l60e throwing codes p0758 p0740 p0785 p2761 p0753 when …. :chris: i used my solus pro to see if it solenoid would click and nothing . 4l60e p0785 Questions & Answers (with Pictures). The solenoid receives ignition voltage through circuit 239. Jump to Latest Follow P0753, P0758, P0785, P0787, P0973, P0976, P1860, P2761, P2764 and P2769 may be set depending on the vehicle. Can I send temp power to the dead wire to see if it come out of limp mode? 05' silverado 5. But if i clear it after driving a couple miles it stays off. 4L60E / 4L65E History. We use cookies to give you the best possible experience on our website. SOLVED: Codes P0785, P0740, sometimes transmission will. I've done plenty of searching on the subject and most indications are pointing towards. How To Read 4l60e Codes If you need to look see what codes are causing issues, it's very easy to do, even for the most novice of DIYers. Nov 28, 2012 • 2000 Pontiac Firebird. As seen from the shift pattern below, the most frequent cause is a bad 1-2 Shift Solenoid (approx $20 dealer part) under the transmission pan. Disable P0785 and P0740 (in the Engine Diagnostics and the Transmission Diagnostics segments) and see what happens. ” This generic powertrain code applies to vehicles with OBD-II, which includes most . Fix code P0740 P0753 P0758 P0785 P1860. Because an OBD2 trouble code referring to shift solenoids, relates to pressure issues. DTCs P0740,P0753,P0758,P0785,P0787,P0973,P0976,P1860,P2 761,P2764 and/or . As long as the trans temp stays warm i can start and stop the truck with no issues. Designed for longitudinal engine configurations, the series includes 4 forward gears and 1 reverse gear. 4L80e transmission just fully rebuilt with new internal harness and all sensors, & im using Nelson Performance Swap Harness. This solenoid unlike the one in the above animation is a normally-closed, 3-port, on/off device that controls the 3-2. Once it is working it works fine until. me/ScottiesHustle$ScottiesHobbieslisten on sp. GM has advised that the most likely cause for a check engine light and trouble codes P0740, P0753, P0758, P0785, and P1860 may be a faulty . 97 blazer transmission,cheap. P2764 or P2761-TCC PWM solenoid circuit. Note: If you have a GM vehicle (GMC/Chevrolet/etc. 05chevy February 5th, 2015, 01:04 PM D3. Transaxle Component Slipping (4T60-E) Trouble Code Conditions: DTC P0502, P0503, P0740, P0753, P0758, P0785 and P1860 not set, engine started, vehicle driven to a speed of 30-82 at an engine speed of 1000-3000 rpm, Fuel Shutoff inactive, TP angle from 8-35%, commanded gear not in 1st gear and the gear range is D4, TF. Codes P0785, P0740, sometimes transmission will not downshift stays in drive. Cause The most likely cause of this condition may be a loss of voltage to the transmission solenoid power supply circuit. Other symptoms include a Check Engine light on, transmission stuck in third gear, and an instrument cluster that doesn't work. Discussion Starter · #1 · Jun 7, 2006 97 Olds Bravada, 4. As per the headline my trans keeps going into limp mode. ) with the 4L60-E transmission, the code description for this is actually Transmission 3-2 Shift Solenoid. 3 V8 and 4L60E that has been upconverted to 4L65E Just installed a rebuilt trans, and am getting this cluster of codes p0740 p0753 p0758 p0785 p2761 Truck had 0 issues before the trans came out. Note: The definition of code P0785 may be different depending on the vehicle manufacturer. P0740 P0753 P0758 P0785 P1860. Ran perfectly fine til - Answered by a verified Chevy Mechanic. 3 Vin W, 4L60E Tranny SES light on getting p0785, shift/timing solonoid malfunction intermittant problem, every few weeks the MIL lights up and it kicks out of OD and no TCC lock up. P0785 - Shift Timing Solenoid 4L60E Pressure Switch & PNP Switch Inputs. Transmission Fluid Temperature Sensor Circuit Low Input. 4l60e tranny no reverse and shifting problems. Problems with your 4L60E transmission? Knowing the signs, symptoms and solutions can help. Fix code P0740 P0753 P0758 P0785 P1860. Check engine light threw P0740, P0753, P0785, P0758, P2761. P0785: Shift/Timing Solenoid DTC Trouble Code. Diagnostic Codes for 4L60-E Transmissions. Fix code P0740 P0753 P0758 P0785 P1860. I have a 2001 gmc sonoma that is throwing the p0785 code when i first start it up. They are commanded on or off by the PCM or TCM. 2004 chevy Silverado 1500 4. Ran fine for about 6 months and . This is a circuit code P1810 Transmission Fluid Pressure Valve Position Switch Circuit P1860 is a torque converter clutch code I know that 2800. I have a 99 convertible with the 4L60E auto transmission. 00 is a lot of money to spend but to charge you for what we call “bandaid repairs” I can’t do in clear conscience. Working on an '04 Silverado 1500. You can buy the highest quality remanufactured 4L60E transmissions from Reman-Transmission P0785, Shift/Timing Solenoid. Trans shifts fine, feels smooth, but truck is in limp mode with SLOOOOW takeoffs and ridiculous fuel consumption. In failsafe mode, you will only have [R] [2] [3]. I have a 2001 gmc sonoma that is throwing the p0785 code when i first start it up. DTC P0785 generally involves the 3-2 Shift Solenoid (SS) valve assembly, which is used in many different 4-speed automatic transmissions and transaxles, like the GM 4L65-E and 4T65-E. The P0740 code indicates that the transmission control module recognizes an issue with the torque converter clutch circuit. diagnosis to find the cause of obd II code p0785 on a 4L60e transmission out of a 2001 ish tahoe. Trouble Code Conditions: DTC P0502, P0503, P0740, P0753, P0758, P0785 and P1860 not set, engine started, vehicle driven to a speed of 30-82 at an engine speed of 1000-3000 rpm, Fuel Shutoff inactive, TP angle from 8-35%, commanded gear not in 1st gear and the gear range is D4, TF. If this code appears that you should have a problem with the solenoid A or 1-2 shift solenoid. Codes P0785, P0740, sometimes transmission will not downshift stays in drive. All at the same time bought the 2 shift solenoids, down shift solenoid, and clutch pressure solenoid, and changed the filter while I was in there. check the main wire harness connection, be careful tho, the connector on the trans likes to fall into the trans if not careful, the plastic clips that hold it up get weak and let it push through. The most likely cause of this condition may be a loss of voltage to the transmission solenoid power supply circuit. The code P0785 Shift Timing Solenoid A Malfunction is set there is a general malfunction present within the solenoid or its circuit. Error Code P0785: Shift Timing Solenoid A Malfunction. It's almost like something is holding the truck back. The solenoid attaches to the control valve body within the transmission. SOLVED: P0740, p0753, p0758, p0785, p1860 all of them lit. Temukan video terbaik tentang ⫷ P0785 4L60E ⫸ - p1886 honda city , tonton video mobil terbaru, berita industri otomotif di autofun. The 3-2 Shift Solenoid (SS) valve assembly is a normally-closed, 3-port, on/off device that controls the 3-2 downshift. p0740 p0753 p0758 p0785 p2761. These codes will also be associated to the A, B or C solenoid circuit. Possible no shifts or codes P0740, P0753, P0758 , P0785, P1860. With the 4L60E transmission, this is called Failsafe mode (3rd gear starts unless the selector is placed in D2 or D1,then it has second gear starts). Error Code P0785 is defined as Shift Timing Solenoid A Malfunction. The ECM (Engine Control Module) illuminates the MIL (Malfunction Indicator Lamp) with P0787 and associated codes ( P0785, P0786, P0788, and P0789) when it monitors one or more issues. P0785—3-2 Solenoid Electrical Fault P1860—TCC PWM Solenoid Electrical Fault • 4L80E applications fail to shift, or will drop into second gear intemittently. The PCM stores Freeze Frame and Failure records• The PCM stores DTC P0785 in PCM historyFigure 3941 . The code P0785 Shift Timing Solenoid A Malfunction is set there is a general malfunction present within the solenoid or its circuit. GM has advised that the most likely cause. The hardest part of scanning check engine light codes is cross-referencing the code that your scanner pulls to the description. Соленоид времени переноса кода P0785 неисправность A установлен там общая неисправность присутствующая внутри соленоид или своя цепь. 30 Problemas comunes 4L60E Transmisión y Reparación. Yes I am I had a tuned by a well known tuner when it had the 60e in it but the trans went south quick so I swapped in the 80e. Code P0785 stands for “Shift Timing Solenoid 'A' Malfunction. Upon investigation, one or all of the diagnostic trouble codes (DTCs) P0740, P0753, P0758, P0785, P0787, P0973, P0976, P1860, P2761, P2764 and P2769 may be set depending on the vehicle. The circuit includes the TCM which depending on the model could be in a volatile location. Re: 4L60E trans in ( LIMP MODE ) UPDATE. Upon investigation, one or all of the diagnostic trouble codes (DTCs) P0740, P0753, P0758, P0785, P0787, P0973, P0976, P1860, P2761, P2764 and P2769 may be set depending on the vehicle. Friend had it rebuilt almost a year ago. P0740,P0753,P0758,P0785,P1860. 4L60E Code (DTC) P0785 Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical 4L60E Code (DTC) P0786 Shift/Timing Solenoid Range/Performance 4L60E Code (DTC) P0787 Shift/Timing Solenoid Low. 06 silverado 1500 2wd 4L60E. 2000 GMC Yukon Denali with engine codes P0740, P0753, P0758, P0785…. I have a 2000 GMC Denali. from stop slow to get started once it picks up speed its good but stop again does not downshift have to start off slow again like taking off in the wrong gear with a straight. PIECES ALL THRU IT CHANGED IGNITION - Answered by a verified Chevy Mechanic. The ECM (Engine Control Module) illuminates the MIL (Malfunction Indicator Lamp) with P0787 and associated codes ( P0785, P0786, P0788, and P0789) when it monitors one or more issues within the shift timing solenoid or it's circuit. Trailblazer/Envoy P0740, P0753, P0758, P0785, and P1860. P0785-Shift/Timing Solenoid P2761-Torque Converter Clutch Pressure Control Solenoid Circuit Open And all these codes came on at the same time which seemed odd. 4L60E Diagnostic Trouble Codes. P0740 p0753 p0758 p0785. Consult the appropriate repair manual or repair database for the exact code definition. 4l60e throwing codes p0758 p0740 p0785 p2761 p0753 when you…. diagnosis to find the cause of obd II code p0785 on a 4L60e transmission out of a 2001 ish tahoe. diagnose p0753 on a 2001 Chevy Tahoe 4L60e transmission. ” This generic powertrain code applies to vehicles with OBD-II, which includes most vehicles made 1996 onwards. Im hoping its just a simple solenoid . P0785 Code: Shift Timing Solenoid "A" Malfunction. diagnosis to find the cause of obd II code p0785 on a 4L60e transmission out of a 2001 ish tahoe. The code P0785 Shift Timing Solenoid A Malfunction is set there is a general malfunction present within the solenoid or its circuit. 2002 Gmc Sierra 1500 2 Wheel Drive. P2769- TCC enable solenoid circuit. 4l60e throwing codes p0758 p0740 p0785 p2761 p0753 when you. Code P0785: Shift/Timing Solenoid 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. 4L60E/4L80E transmissions may exhibit any or all of these trouble codes and driveability . « Reply #7 on: October 26, 2009, 11:11:13 PM ». This torque converter does actually consists of transmission fluid, which helps the engine to move forward. Error Code P0785 is defined as Shift Timing Solenoid A Malfunction. 4l60e throwing codes p0758 p0740 p0785 p2761 p0753 when you out it in gear it skips 1st gear. I have several codes that show up. Upon investigation, one or all of the diagnostic trouble codes (DTCs) P0740, P0753, P0758, P0785, P0787, P0973, P0976, P1860, P2761, P2764 and P2769 may be set depending on the vehicle. Code P0785 stands for “Shift Timing Solenoid ‘A’ Malfunction. When the vehicle has been sitting and I start it up, if the tach comes up then everything else also works. I HAVE 2006 SILVERADO WITH CODES P0753 P0758 P0785 P2761 ALREADY CHANGED TRAN. changed all parts in the bottom of the transmission, including wiring harness still won't work … read more Josh, ASE Tech. GM has advised that the most likely cause for a check engine light and trouble codes. The Powertrain Control Module ( PCM) controls the solenoid by providing a ground path. P0785 – Shift/timing solenoid. 2002 Gmc Sierra 1500 2 Wheel Drive. Bought a 97 S10 over the weekend that is throwing these trans codes: P0740, P0753, P0758, P0785, P1860. I hooked a modis to it and can control all the solenoids. New to the forum, looking forward to some good discussions. 7L 5; 97 blazer transmission P0740, P0753, P0758, P0785, P1860 . P0785 is a diagnostic trouble code (DTC) for "Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical". Error Code P0785 is defined as Shift Timing Solenoid A Malfunction. Ошибка P0785 Электромагнитный клапан переключения. Then got to where it shifted hard after a few miles, even if it wasn't . GM has issued a technical service bulletin 01-07-30-002C for the vehicles listed below. The most likely causes of the P0785 code include: Faulty shift solenoid Blocked internal transmission fluid passages Mechanical failures in the transmission Low transmission fluid Dirty transmission fluid Faulty TCM or PCM Open or shorted solenoid valve harness Poor electrical connection in the shift/timing solenoid valve circuit. Only happens after it sat for a few hours. P0785 is a diagnostic trouble code (DTC) for "Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical". I can clear it but it comes back. The customer may complain that the "vehicle is going to neutral at higher road speeds". 2001 Chevy S10 4x4 4L60E transmission works perfectly until 50MPH then I lose 3rd and 4th gear, 1st, 2nd and reverse are normal. In this video you see the first step to take when dealing with these five transmission codes. Location: Potterville, MI. 3 V8 and 4L60E that has been upconverted to 4L65E Just installed a rebuilt trans, and am getting this cluster of codes p0740 p0753. Also, note that too much transmission fluid is just as bad as too little. Please Help Advice Appriciated, 5. Transmission 4L60E Recently replaced 1/2 2/3 Shift Solenoid, Trans Filter, fluid and **Ignition Tumbler** P0740- Torque Converter Clutch (TCC) Enable Circuit P0785- transmission 3-2 Shift Soleniod P1860- PWM Solenoid Electrical Fault I have tested the #20 Fuse and it has power to both sides and appears to be good. My 98 1500 started shifting really hard into second on real hot days. Disable P0785 and P0740 (in the Engine Diagnostics and the Transmission Diagnostics . Dirty, smelly, abnormally colored fluid must be replaced. Trouble Code Conditions: DTC P0502, P0503, P0740, P0753, P0758, P0785 and P1860 not set, engine started, vehicle driven to a speed of 30-82 at an engine speed of 1000-3000 rpm, Fuel Shutoff inactive, TP angle from 8-35%, commanded gear not in 1st gear and the gear range is D4, TF. P0758 Shift Solenoid B Electrical. truck sat that night drove next morning was shifting but a kind of hard shift between first and second until it seems. The 4L60-E (and similar 4L65-E) is a series of automatic transmissions from General Motors starting in 1993. P0785 Shift Timing Solenoid A Malfunction. In this video you see the first step to take when dealing with these five transmission codes. 4L60E Transmission Replacementss. 2004 Chevy Avalanche CODES P0740, P0753, P0758, P0785, P0761 I Recently gotten some LED strip lights connected to my floors using the fuse adapter, I connected it into the Inside Panel fuse ( IGN0 10amp), and suddenly the check engine came on when i tried to drive the truck the next day and felt the drive stiff ruff like if its stuck on 1 gear (which one i ha. 1998 4L60E stuck in second gear. GM has advised that the most likely cause for a check engine light and trouble codes P0740, P0753, P0758, P0785, and P1860 may be a faulty ignition switch that causes an open circuit to the transmission. Diagnostic Codes for 4L60-E Transmissions. truck sat that night drove next morning was shifting but a kind of hard shift between first and second until it seems to warm up then a little. 7 everything i read about has p0740 p0753 p0758 p0785 with p1860, but mine doesnt have this p1860 code. Most TCC solenoids are PWM linear types. Trouble Code Conditions: DTC P0502, P0503, P0740, P0753, P0758, P0785 and P1860 not set, engine started, vehicle driven to a speed of 30-82 at an engine speed of 1000-3000 rpm, Fuel Shutoff inactive, TP angle from 8-35%, commanded gear not in 1st gear and the gear range is D4, TF. |What are the Possible Causes of the Code P0785 Chevrolet? · Low transmission fluid level · Dirty transmission fluid · Faulty shifting solenoid valve · Shifting . P0785 is a diagnostic trouble code (DTC) for "Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical". 2004 Chevy Avalanche CODES P0740, P0753, P0758, P0785, P0761 I Recently gotten some LED strip lights connected to my floors using the fuse adapter, I connected it into the Inside Panel fuse ( IGN0 10amp), and suddenly the check. diagnosis to find the cause of obd II code p0785 on a 4L60e transmission out of a 2001 ish tahoe. ) with the 4L60-E transmission, the code description for this is actually Transmission 3-2 Shift Solenoid. P0785 is a diagnostic trouble code (DTC) for "Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical". The level and quality of transmission fluid needs to be considered when . P0785 is the shift solenoid that controls the 2-3 shift. Check engine light threw P0740, P0753, P0785, P0758, P2761. Below you will see a complete list of common 4l60e diagnostic codes and their meanings. 2000 GMC Yukon Denali with engine codes P0740, P0753, P0758, P0785, and. 8 4l60e throwing codes p0758 p0740 p0753 p0758 p0785 p2761. 7 4l60E 350 Vortec The truck suddenly gave this P0785 code (shift timing control/ 3-2 shift solenoid circuit electrical) and . Codes P0785, P0740, sometimes transmission will not downshift stays in drive. Odds are, you'll need to pull the codes to see what's going on. 4L60E trans in ( LIMP MODE ) UPDATE. Discussion Starter · #1 · Feb 18, 2015. Most TCC solenoids are PWM linear types. P0785 is the shift solenoid that controls the 2-3 shift. Transmission 4L60E Recently replaced 1/2 2/3 Shift Solenoid, Trans Filter, fluid and **Ignition Tumbler** P0740- Torque Converter Clutch (TCC) Enable Circuit P0785-. 4L60E Code (DTC) P0785 Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical; 4L60E Code (DTC) P0786 Shift/Timing Solenoid Range/Performance; 4L60E Code. Your check engine light might illuminate if your powertrain control module (PCM) detects an electrical or mechanical issue in the shift timing solenoid or its circuit. The codes are: P0740 torque converter clutch solenoid circuit open P0785 shift timing solenoid malfunction P0740 torque converter clutch solenoid open P0785 shift solenoid malfunction. ON3 Dual 320lph Fuel Pumps running E85. P0785 Shift Timing Solenoid A Malfunction is established as a general fault present in the solenoid or solenoid circuit. The codes being thrown are P1870, P0740, P0785, P0758 and P0753 which most of them are solenoids. The gear indicator light, the speedometer, the tach, and odometer randomly stop working also. The 3-2 Shift Solenoid (SS) valve assembly is a normally-closed, 3-port, on/off device that controls the 3-2 downshift. narrowed it down to ignition switch. Note: The definition of code P0785 may be different depending on the vehicle manufacturer. P0785 is the shift solenoid that controls the 2-3 shift. PO785 Is a code for the 3-2 solenoid its located on the drivers side front. This video is specifically for all five of these codes simultan. 97 Blazer 4x4 help needed with pic; 97 blazer transmission 4L60E 1996-1997 2WD TRANSMISSION 5. So not knowing what to do I replaced all the up shift and down shift solenoids and pressure solenoids and went and changed the filter while I was in there and to my surprise it worked!!!!. Automatic cars usually use a converter to transfer the power between the engine and the transmission. Transmission Fluid Temperature Sensor Circuit Range/Performance. Code P0785 stands for “Shift Timing Solenoid ‘A’ Malfunction. It would probably be the same on any 5. In this video, master mechanic Mike Bauer and myself show you how to replace shift solenoid B (or as GM likes to call it, shift solenoid 2-3). P0740,P0753,P0758,P0785,P1860. 10 Common 4L60E Transmission Problems & How To Fix! (2022). In this video, master mechanic Mike Bauer and myself show you how to replace shift solenoid B (or as GM likes to call it, shift solenoid 2-3). P0785 Code: Shift Timing Solenoid “A” Malfunction. The solenoid attaches to the control valve body within the transmission. I have a 2001 gmc sonoma that is throwing the p0785 code when i first start it up. 3 LS with Howards Cam 281/284 578"/587" 115*. diagnose p0753 on a 2001 Chevy Tahoe 4L60e transmission.