P0842 duramax 2009. Trying to get info maybe able to fix on my own.

P0842 duramax 2009 Recommended Communities. 6l duramax. Listed 3 days ago. P0841 / P0842 / P0846 / P0700 were stored, with P0871 and P0872 "pending"? Did some searching / reading on here and saw lots of talk of bad grounds and chaffed wiring. My mechanic pulled a fault code of P0842 which is. 5. Engine light comes on and then I can barely move from a stop. Search for P2723 GMC Questions and Answers: Search here The P2669 automobile fault code indicates a problem with the transmission solenoids or the Powertrain Control Module (PCM). D. 0 hour of labor. To diagnose the P0842 Honda code, it typically requires 1. This code is a result of the problem with the SS1 electrical circuit. Previous owner rebuilt transmission around 15kmiles ago. Share #2 · Oct 13, 2009. Control Solenoid Valve Assembly harness is open or shorted. Inderjit, Jan 20, 2021 #4. • The TCC is commanded OFF. The P0842 code indicates that there has been an abnormally high voltage reading from the transmission fluid pressure sensor circuit. bed in back. P0842 transmission code. 6L LMM Duramax Specs. How can you tell which one of the 4 sensor needs replacing? What is the Cost to Diagnose the Code? Labor: 1. gmc502 66 Replies. Code Scan shows a P0842 and P0700. It goes out of 3rd and revs until i I checked it with my banks PDI and if memory serves the code was P0842 (not sure if the letter is right). M. • No TCC PWM solenoid valve electrical DTCs P2763 or P2764. I recently purchased a 2008 Chevy Silverado 2500 HD with the 6. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Check engine light is on. It is turned down for towing, has trans tuning onboard as well. After driving it about 5 miles to get the coolant moving I checked and the P0700 code is gone, 2010-2014 Gen 6: 2020-present Gen 3: 2005-2009. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled 12727 posts · Joined 2009 Add to quote; Only show this user #2 · Apr 24, 2022 Chevy and GMC Duramax Diesel Forum. Eric. 00: Warranty: 3 yr. 0. To diagnose the P0842 GMC code, it typically requires 1. if i clear it will come right back on without even driving it. Common Codes and Corrections for the Allison LCT. What the P0842 code means A P0842 diagnostic trouble code one of the more serious OBDII codes, as it relates to the hydraulic pressure needed to operate the transmission. Jan 20, 2021 #5. Diagnostic trouble codes (or fault codes) are obd2 codes that are stored by the on-board computer diagnostic system. 6L engine. • The vehicle Google (Duramax P0872) lots to read . Just in My 2008 Duramax has about 70k miles on it. P0842 • No ISS DTC P0716 or P0717. He said he was hitting some deep puddle on the highway and was going up and down hills. The pressure sensors are internal. Power / Horsepower: 365 HP @ 3200 rpm: Torque : 660 ft-lb @ 1600 rpm: MPG (Economy) 14 city / 18 highway: (12-30-2021, 07:13 AM) madieseltechnologies Wrote: Hi All, We need ECU pinout for ktag reading of EDC16C42 LMMfor a chevrolet duramax 2009 6. The 3>4 shift will not happen until i let off, every other gear is fine. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. P0842 OBD-II Code: Transmission Fluid Pressure Sensor Issue Trading my 2004 GMC Duramax for a 2009. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Duramaxdiesels. Save Share Reply Quote Like. It currently has 198k miles, had 195k when I got it. We have a 2001, 2003 (mine), early 2004, late 2004 2008, 2017 To diagnose the P0842 code, it typically requires 1. cardoc 334 Replies. Symptoms of a P0842 include: To address the P0842 code, start by examining potential repair solutions for the Transmission Fluid Pressure Sensor/Switch A Circuit Low issue. Sep 20, 2009 23 0 1 pa. Contact Us (616) 772-9551 support@merchant-automotive. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled 6. • No TCC performance DTCs P0741 or P0742. Jump to Latest 19K 2009 Silverado 2500HD CCSB LTZ Diesel FASS 95 Lift Pump (with Baldwin filters), Edge Evolution CTS2 Monitor w/Dash Pod Mount, Factory FF as Tertiary Filter, Bilstein 5100 Stock Height, Steel Diamond Plate Bed Rail Caps, AMP The fault code p0842 can be caused by: low transmission fluid level, dirty transmission fluid, faulty Transmission Fluid Pressure Sensor/Switch ‘A’, issues with the Transmission Fluid Pressure Sensor/Switch ‘A’ harness or connectors, an open or shorted circuit related to the Transmission Fluid Pressure Sensor/Switch ‘A’, and internal mechanical problems within the transmission. Not tried just parked the car. I put dielectric grease on all the tranny connectors but they My Father in law has an 08 Duramax 3500 dually with allison trans. @NickTransmissions Customer: 2004 chevy duramax with Alison transmission has to code p0842/ p0872 have already flushed fluid change valve body with use part checked shift senoloids with scanner and still in limp mode now going to to checkr=ed wiring hardness from transmission to computor Mechanic's Assistant: How old is the transmission? Have you noticed any leaking? THANKS FOR SUBSCRIBING!CONTACT, SERVICES, SOCIALS & MERCH! https://linktr. 5-10 LMM Duramax Powertrain. Aking 2009 GMC Sierra 2500HD SLE CC/SB 4x4 LMM A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Great ride and travel home! 2009 5 window Chevy short bus. He said the transmission started acting crazing and started throwing codes P09732,P0842,P0700 I have a 2008 Duramax that won't run. Jump to Latest 2nd dmax 2009 GMC 2500hd SLE2 CC SB Z71 4wd lmm/alli 6spd, Onyx over titanium, spray in armaguard bedliner, deezee rail caps, ici gatorback flaps, gm oval step bars, gm brake controller, gm remote start and tow mirrors, Chevy / GMC Duramax 01-04. 2020 GMC Sierra SLT 3500 CC/SB L5P 3/14/20 Payload 3726lbs. Jump to Latest Follow 2K views 0 How to diagnose, repair, and info on causes of a P0872 transmission trouble code related to the trans fluid pressure sensor switch C circuit that is low. Any & All Cooking Talk so I am driving along here in Alaska and all of the sudden I get the CEL so I pull over and have a laundry list of codes thrown. P0842 Code - Transmission Fluid Pressure Sensor/Switch 'A' Circuit Low. Sometimes repeatedly clearing the code the problem resolves itself. Specs. So I think its time to replace the TEHCM pressure switches with seals & membranes, Sonnax kit # 124740-70K and Sonnax tool kit # 124740-TL70. weather was fairly cold roughly 15-20 degrees if that matters. Common Causes of P0842. The 2004 was stock and has perform great. 2009 Dodge Caliber SXT 2. This switch is responsible for monitoring the pressure of the transmission fluid in the 2nd clutch circuit. I know the P0700 is MIL. mixingconcrete Light Load Member. Jump to Latest 29K views 8 replies 3 participants last post by Thomas Queen Apr 17, 2017. What Are the Causes of the P0842 Code in My Honda Pilot? As we have mentioned, this particular code means something is wrong with your transmission (Transmission Fluid Pressure Switch ‘A’ 2nd Clutch) or any transmission-related parts. , "high", i. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Show Less . It comes with several symptoms that are traceable to a few causes. Plan on leaving it stock. 1 second its an allision 4000 ill get more info 2004 chevy duramax with transmission has to code p0842/ p0872 have already flushed fluid change valve body with use part. I just picked up a 02 with my brother yesterday and I'm positive that the nsbu is shot. 28,146 Satisfied Customers. e, 12+ V. mray. Duramax. If the pressure is too low, it can lead to issues such as harsh shifting, transmission slipping, or Research indicates that a P0842 with a P0752 may indicate a grounded pressure switch circuit or shift valve 1 is stuck in the stroked position. tcat10001. jc1843. P0842 code definition. Chad Farhat. dost the truck not moving part sound like a nsbu related issue as well? i'm also getting p0842 and p0700 and u1000. Truck normally driven in 450 ish whp. Honda Pilot P0842 Engine Trouble Code P0842 OBD II. View Profile View Forum Posts Automatic RV Tech Library. U0101 P0880 codes. I'm getting P0842 on my 2011 pilot. bump. 01-04. I drove the truck couple hours last weekend. com tow tune w/turbo brake PPE Dual Fueler (P0087 cure) Kitty on I have an Allison 1000 ina 05 Silverado and I am getting a P0842 pressure solenoid C stuck closed. A. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled I have a 2003 Chevy duramax it has reverse but no forward gears I put it in drive it tries to engage in a higher gear then locks itself in neutral and throws the code p0872 it says circuit c low I recently checked all fuses put a new nsbu switch on a new ignition spin on filter and a new transmission fluid pressure switch I can clear the code and it comes right back after a 2701 posts · Joined 2009 Add to quote; Only show this user P0846 - Transmission Pressure Switch, Solenoid D Stuck Open P0842 - Transmission Pressure Switch, Solenoid C Stuck Closed Solenoids C,D,E are Shift Solenoids (Normally Closed) So I maintain multiple Duramax trucks. 18259 posts · Joined 2008 Add to quote; Only show this user 07 Denali w/6L80 tranny and has 191k miles, is shifting okay to me, but I borrowed a MAC Tools code reader and found codes for the tranny. Intermittent malfunction – retry logic attempts to command SS1. mp06011999 197 Replies. Most times not. 2. 5 posts · Joined 2017 Add to quote; Only show this user #1 · Mar 8, 2017. He was headed out of town to work the other day and went through a terrible storm. I can reset and codes come back. I have a 2010 chevy cobalt automatic with trouble codes P0700, P0842 & P1810. We strive to keep this the #1 forum for tech and information while continuing I was getting p0842 and p0700 and u1000. I got in it Wednesday Morning to bring to work, was gonna change oil and do some maintenance if The P0842 code for Chevrolet indicates a problem with the transmission fluid pressure switch 1 circuit, specifically detecting low voltage. The P0842 code for Honda vehicles indicates a problem with the Transmission Fluid Pressure Switch 'A' 2nd Clutch Circuit being too low. What I Have done so far is change nsbu, pull pan and changed filters, pulled solenoids and checked for clogs and they where clean, checked/tested pressure switch manifold and it works. Duramax diesel. Check the wiring harness for any signs of damage or corrosion that could be affecting the sensor’s performance. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, P0700 and P0842. This would mean that when in neutral the switch isn't closing, or is intermittent when it should be closed (as johnre 2008-2010 GMC Sierra & Chevy Silverado HD 6. Electrical malfunction – sets P0842 2. 5 LB7 Forums. Duramaxdiesels. com 8:00 am - 5:00 pm | M-F Eastern Standard Time 200 North Fairview Road #30 Video shows how to troubleshoot this code and what we found wrong 1. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. If failure occurs while in a forward range, then shift to another forward range. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, What is the Cost to Diagnose the Code? Labor: 1. It sends its readings to the transmission control module (TCM), the computer that ensures that the transmission shifts gears smoothly and efficiently. Code P0842 Transmission Fluid Pressure Sensor Switch A. in Sherbrooke, QC. This code specifically indicates an issue with Opinions on 2009 duramax. 12496 posts · Joined 2012 Add to quote; Only show this user Chevy and GMC Duramax Diesel Forum. Learn what Transmission Fluid Pressure Switch 1 Circuit Low Voltage means, location and how to repair? If you’re dealing with the P0842 trouble code for the Transmission Fluid Pressure Sensor/Switch A Circuit Low, start by checking sensor calibration and voltage. The TCM will log a P0872 code if it determines that the transmission fluid pressure sensor sent a DTC P0842 sets when PS1 indicates EXHAUSTED (closed) when the TCM expects PS1 switch state to be PRESSURIZED (open). I am getting a transmission code P0847 in a 2009 Honda Element. Minimal loaded towing or hauling. To diagnose the P0842 Acura code, it typically requires 1. Learn what Transmission Fluid Pressure Sensor/Switch 'A' Circuit Low means, location and how to repair? Ask Car Question | Repair Chat P0842 is a common code associated with a vehicle’s transmission system. Fuel Throttles, Edge Insight CTS, Efi Live Tuned by Bobo, SDP S475/Batmo stock, Suncoast G-Max6, Goerend MLG Converter, 5in SS Magnaflow exhaust, Fass Titanium 150, Kryptonite Tie Rods, PCV reroute, SDP egr delete, ARP head studs, Cognito Traction Bars, MA pump rub fix, Kryptonite transfer case brace, Ported My 2005 Silverado sets a P0700 and P0842 codes whenever it rains/wet snow, slush. 14mpg. The problem could be a broken wire corroded connection or possibly a failed TCU. Test the sensor’s Chevy / GMC Duramax 07. 2L Diesel Engine Duramax Third Generation: 2006-2007. Didn't turn the CEL on, but i scanned it anyway. Some of the transmission problems associated with this DTC include harsh or delayed shifts, transmission overheating and torque converter problems. • The The transmission fluid pressure (TFP) sensor measures the pressure exerted by the fluid flowing through the transmission. Fresh oil change Interior has seats for 5. I had shift solenoids changed. 5-10 LMM Forums. 5 (LBZ & LLY) Top Contributors this Month View All. 57diesel 202 Replies. AirLift LoadLifter 7500 XL 2019 Arctic Fox 27-5L Andersen Ultimate II. NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. • No TCC PWM solenoid valve electrical DTC P2763 or P2764. The Duramax diesel engine is one of the primary motors in a Can a p0842 transmission code be fixed without transmission removal 2004 chevy duramax with transmission has to code p0842/ p0872 have already flushed fluid change valve body with use part. ACTION TAKEN WHEN THE DTC SETS: When DTC P0842 is active, the following conditions occur: 1. These are stored in response to a problem found in the car 2009 honda pilot 4x2 has transmission code p0842. Jump to Latest 37K views 25 2009 2500HD LTZ, EFILive DSP5 from ATPtrucks, PPE high flow fuel fitting and shim kit, PPE lift pump, For 1990-2009 cars only. If the failure occurs while in a forward range a shift to 1st, 3rd, or 5th range is made. 5-2005 (LLY) 6. The P0842 code is a diagnostic trouble code (DTC) that pertains to the vehicle's transmission fluid pressure sensor or switch. P0842 is typically an electrical circuit (TFPS sensor circuit) issue. 2006 GMC Duramax Allison 1000 codes p0843, p0877 P0843 Trans fluid pressure sensor/switch A circuit high P0877 Trans fluid pressure sensor/switch D circuit low (also p0700) I got these codes when I started the engine 2 days after driving on very rough dirt roads, while I was still 75+ miles from cell service. 2013 Duramax LML CCSB LTZ My Build Thread SPORTSMAN CP3/ S369SXE/ 30% OVER EXXERGY INJECTORS, FASS 150, diamond eye 5" TB,6" Fabtech Lift no bolts, 35inch Toyo M/T, 20x12 Fuel Have a code for p0842 on transmission Allison Transmission. Top Contributors this Month View All. Mechanical malfunction – also sets P0752 3. DTC may set while commanding Reverse and 2nd through 5th ranges. Sep 17, 2010 #1 can anybody help me out? these 2 codes come up P0700 tells the engine transmission is malfunctioning Duramaxdiesels. What I Have done A P0842 diagnostic trouble code one of the more serious OBDII codes, as it relates to the hydraulic pressure needed to operate the transmission. P0842 Diagnostic Code 6. This cannot be overlooked in the troubleshooting stage, especially when dealing with an intermittent problem. 3 days ago. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004. jhook1398. The possible causes/reasons are as follows: P0842-- Transmission Pressure Switch, Solenoid C Stuck Closed May 2009 Location NH & Eastern NY Posts 205. • The engine speed is greater than 500 RPM for 5 seconds. 2020. Inderjit, Jan 20, 2021. 1289 posts · Joined 2009 Add to quote; Only show this user I'm having a problem with my 2008 chevy duramax, it starts and runs fine then when I shut it down and leave it for a while then try to start it again it wont start unless SIERRA 2 500 HD DURAMAX 2009 Transmission Allison Le truck est lifter, élargi, chip avec 5 stage, straight a grandeur ! Intérieur full cuir, banc électrique chauffant etc Peinture custom · 2009 Chevrolet silverado 2500 hd extended cab. Learn symptoms, causes, and get repair help from RepairPal. This article defines what the code means and how to fix it. . 6L Duramax™Diesel Engine RPO LGH or LML Attention: Due to Model Year and vehicle build content, all of the Conditions/Concerns described – DTC P0842: Transmission Fluid Pressure (TFP) Switch 1 Circuit Low Voltage – DTC P0843: Transmission Pressure Switch 1 Circuit High Voltage Join our tribe of Duramax and Allison transmission fans and get our latest deals, articles, and resources sent straight to your inbox! Connect With Us. New tires, brakes shocks. Begin with sensor troubleshooting to pinpoint the exact cause of the problem. Car Specialist. 5 LB7 Duramax Powertrain. 6. in a snap one triple bank filled with tools just at wits end with a truck I just bought with an Allison 1000 and a 6. The truck will no longer shift, 35mph @ 2000rpm is basically it. 4. I was getting p0842 and p0700 and u1000. As it picks up speed it is o. 12703 posts · Joined 2009 Add to quote; Only show this user A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. 40k miles ago installed the Jr. When the voltage is below the specified threshold, it can lead to issues with shifting 2007-2009 GMC Acadia 2007-2009 GMC Acadia Factory Service Bulletin OBDII Code P2723. There has been a 28 percent increase in the number of diesel vehicles sold in the United States, with most of these engines from General Motors, one of the most popular diesel vehicle manufacturers. Chevrolet Cobalt LS: 2009 cobalt 250k miles P0842 Pressure sensor low voltage PS1. It is popping up codes P0842 ( trans fluid pressure sensor) and p07000 ( trans control Mil request) What do I need to replace to fix this problem 2015. Could you please tell me what the problem ended up being on your chevy when this happened to you MINE IS A 02 DURAMAX 2500 HD 08-12-2014, 17:49 #9. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! 2009 LMM cclb efi by kory 2005 lly sclb 2004 lb7 cclb efi by kory. AVS Forum 1. Come join the discussion about modifications, towing, classifieds, Chevy / GMC Duramax 07. • the TCC slip speed is greater than 100 RPM. Faulty Control Solenoid Valve Assembly. I cleared it with banks and started the truck up and the light stayed The P0842 code signifies a problem with the transmission fluid pressure sensor circuit, typically associated with an issue in the pressure sensor or its wiring. just By chatting and providing personal info, you P0842 code on 2009 acura rl. 5in lift, 36in Nittos on 20in. 4L Vin. I have changed oil, trans , & fuel filter. P0842 • No ISS DTCs P0716 or P0717. 3. Threw a 0842 code last night. Most auto repair shops commonly charge between $80 and $150 per hour; however, rates in metropolitan areas or at dealerships 31 posts · Joined 2009 Add to quote; Only show this user #6 · Jan 9, 2010 Chevy and GMC Duramax Diesel Forum. To diagnose the P0842 Pontiac code, it typically requires 1. 5 Chevy 2500hd Duramax/Allison 4x4, 70ish k miles on rebuilt trans and new converter, setup for max 600whp. 5-10 LMM Duramax Powertrain 08 LMM Code P064C Fix. What is the Cost to Diagnose the Code? Labor: 1. We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. The fault code P0960 can be caused by the following: 1. ee/hsperformance Hardshifting P0700, P0842 & P1810. 2004 chevy duramax with transmission has to code p0842/ p0872 have already flushed fluid change valve body with use part. Fixing this code requires a systematic approach to identify and resolve the Repair Information for P0842 Chevrolet code. 6 Duramax. 5 (LBZ & LLY) Top Contributors this Month Equipped with 6. P0842- is indicating that shift valve 1 is not moving. 8M posts 218. Allison 5sp p0842 Duramax Diesels Forum. Faulty transmission fluid pressure sensor/switch; For 1990-2009 cars only. 99 15168 posts · Joined 2009 Add to quote; Only show this user 2006 LBZ Silverado Crew Cab Long Bed 4x4 Duramax Stock for now but looking for ideas. Thank you so much for your help! MartinUpdate +++ No need for pinout Not the right cable was used by . Symptoms. Trying to get info maybe able to fix on my own. kit, the deep pan Try to back into parking stall and no reverse. / 36000 mi. Has unique 100gallon aux fuel tank transfer. Take it to dealer and they report codes P0700, P0842, P0973. Truck has ran perfectly fine since I've owned it. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, Understand the P0842 OBD-II code: Transmission Fluid Pressure Sensor/Switch "A" Circuit Low. It came with those codes so I cleared them and charged the batteries which where dead and nothing came back. The LMM Duramax refers to Chevrolet Silverado HD and GM Sierra HD trucks equipped with the 6. e. Negativef. k. johnre 211 Replies. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Hello everyone, long time viewer; first time poster. The most common symptom is the illumination of the engine light or service engine soon warning light. 2008 - 2014 Chevy Silverado 2500 6. I replaced the shift - Answered by a verified Chevy Mechanic. 2016 GMC 3500HD Denali CCLB - 27,035 miles 2015 GMC 2500HD SRW/CCLB 39,368 miles- SOLD 2011 CHEV 2500HD SRW/CCSB 133,597 miles - SOLD 2014 RAM 3500 Laramie DRW Megacab - SOLD Duramaxdiesels. Other shift solenoid, transmission slippage, lock up, gear ratio, or torque converter clutch codes are often stored in the PCM with the P0842 code. I was looking for some insight on oil and oil filter combinations for my new rig. 2009 Chevy Silverado 2500 Specifications General. ACTION TAKEN WHEN THE DTC SETS: When DTC P0842 is active: 1. Jump to Latest 47K views 8 Thank you for sharing. 6L Duramax diesel engine between the Understanding the P0842 Code: What It Means for Your Vehicle. P0700, P0712, P0364, P0563, P0881, P0883, P0658, P2670, P0708, P0716, P0721, P0842, P0847, P0877, U0100, P0701, P071A, P2669. 3M members. I was fortunate to have purchased the truck from the original owner who was a factory 06 CCSB LBZ 7. • No TCC performance DTC P0741 or P0742. It could take a day or a week. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, The P0842 code is triggered when the voltage at terminal 31 stays at system voltage, i. 6L Duramax. CA$19,998. They report oil is low due to leaking lines, Going for a truck with a diesel engine is pertinent if you need a vehicle with lots of versatility and power. These steps are important for pinpointing sensor or switch issues Repair Information for P0842 code. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as 2009-2011 Pilot. 4K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Basics; Vehicle Type: 4DR Truck: BASE MSRP(US) $42,770. Message. Truck in limp mode, reverse & 3rd gear only. Trans was essential inoperative What is a Diagnostic Trouble Code (DTC)?. Getting trans codes p0841 p0842 p1710 p1711 after a build. It keeps popping p0700 and p0842 codes. Some of the transmission problems I have a stock 05 Duramx engine and transmision . Allison codes MWRENCH. dieharddan Discussion starter. Got the dealers bidding against each other. SilverOnyx 314 Replies. 9. P0752 code randomly came on and will not stay cleared. Come join the discussion about modifications, towing 12691 posts · Joined 2009 Add to quote; Only show this user #4 · Feb 24, 2022 Chevy and GMC Duramax Diesel Forum. I get the disappearing indicator light, the 4x4 button wont go into 4h or 4l But the truck wont move at all when in any gear. The transmission fluid pressure switch is responsible for monitoring the hydraulic pressure in the transmission system. Low transmission fluid. Save. Also includes links to relevant forum topics on the code. 07. 8M posts 221K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. kbhmb hem psvszd mczk utpqevl vprvd fypud fubczer jtykut whxarh