P0842 6l80. Overall, it is an easy transmission to work on, but whether you are a novice or an old timer, be sure to avoid these two “traps” waiting to catch you. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. What is the P0842 fault code. Pressure test port: passenger’s side behind bell housing. Is shipping included with my TEHCM order? All Dorman TEHCM units include free priority overnight shipping within the Aug 3, 2022 · Code P0872 Chevrolet Description. Sep 18, 2019 · Read up on this TSB. and the 2-3 is slightly wonky. If the engine starts up, put it in drive and see if the transmission makes the vehicle move slowly or quickly. Sep 6, 2024 · The diagnostic trouble code P0842 indicates that there is a problem with the Transmission Fluid Pressure Sensor/Switch 'A' Circuit being too low. 0. The transmission fluid pressure switch is responsible for monitoring the hydraulic pressure in the transmission system. This is why many people simply install a remanufactured 6L80 / 6L90 valve body, to eliminate the threat of the unknown. P0842 trans fluid temp( tfp switch circuit 1 low voltage) P0872 trans fluid temp( tfp switch circuit 2 low voltage) P0989 trans fluid temp ( tfp switch circuit 5 low 6 TCM-TEHCM-SERVICE-GUIDE_566318076 • 10/2020 GM 6L80: TECH TIPS 609-002/609-003/609-006 CONCERNS BEFORE / AFTER REBUILD In some instances, a vehicle may exhibit delayed engagement, or even a harsh thud or clunk into reverse. This 2017 Chevy Traverse surges and SHUDDERS under load when the torque conve Apr 5, 2008 · P0877, P0872, P0842 CODES; hard shift from 4-5. It comes with several symptoms that are traceable to a few causes. First two reports are in post#1 here. Other shift solenoid, transmission slippage, lock up, gear ratio, or torque converter clutch codes are often stored in the PCM with the P0842 code. As long as the tehcm eletrically checks ok, rebuilding the tehcm Tips for Avoiding Further Problems with the Allison Transmission . Jul 12, 2024 · Preventing further damage: Ignoring the P0842 code can lead to more severe transmission issues over time. What the P0842 code means Video shows how to troubleshoot this code and what we found wrong Ok , so without being there and assuming the code has set for the TFP, as a bad TFP, then yes, 100% you can do the repair and change the TFP ( trans fluid pressure switch) without removing the trans. Transmission Fluid Pressure Sensor / Switch "E" Circuit Low. 2006-2015 GM Passenger Cars and Trucks equipped with 6L80 or 6L90 Automatic Transmission (RPO MYC or MYD) Condition. A 1-2 flare happens when the 2-6 clutch fails to come on timely when TEHCM commands a 1-2 upshift. P0842 is a common code associated with a vehicle’s transmission system. What Does the Engine Code P0842 Mean? Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "0" in the second position means that this is a generic OBD-II (OBD2) DTC. See full list on obd-codes. to/40CpaYj OR PRESSURE SWITCH TOOL KIT WORKS -- https://amzn. OE Part No Below is the link to the installation instructions. order parts. Supporting Member. 3-4, 4-5, and 5-6 are PERFECTLY SMOOTH. This can be caused by a low transmission fluid level, dirty transmission fluid, faulty sensorswitch, or issues with the wiring harness and connectors. Call Us Text A VIN# Mon-Thu 9AM-8PM | Fri-Sat 9AM-5PM EST. com Sep 5, 2023 · A P0842 code is commonly defined as a “Transmission Fluid Pressure Sensor / Switch ‘A’ Circuit Low. The automobile fault code P0842 indicates a problem with the transmission fluid pressure sensorswitch ‘A’. The P0842 code for Chevrolet indicates a problem with the transmission fluid pressure switch 1 circuit, specifically detecting low voltage. P0842 trans fluid temp( tfp switch circuit 1 low voltage) P0872 trans fluid temp( tfp switch circuit 2 low voltage) P0989 trans fluid temp ( tfp switch circuit 5 low May 30, 2023 · It's more than likely a 2-3 flare if you're flaring in that part of the drive cycle though a 1-2 flare could happen as well. Looks good to me. The truck has a 1-2 hard shift. Known as a “UNIGEAR” design, the updated A transmission fluid pressure sensor measures the amount of hydraulic pressure inside the transmission. This is a diagnostic trouble code (DTC) that indicates an issue with your vehicle. Please verify the electrical integrity of this control module before installing the module back into the PRESSURE SWITCH KIT -- https://amzn. Learn what Transmission Fluid Pressure Switch 1 Circuit Low Voltage means, location and how to repair? The Transmission Fluid Pressure (TFP) switch 1 is part of the control solenoid valve assembly, which has no serviceable parts. Suberban 2010 p2714 p0842 p0796 p0741 p0722 p0700 p0573 Hi ,, i got a fault code P2714 pressure control PC solenoid 4 - stuck off P0842 transmission fluid pressure TFP switch P0796 pressure control PC solenoid 3 - stuck off P0741 Torque converter clutch TCC system - stuck off P0722 OUTPUT Speed Sensor Circuite P0700 transmission control module An update to the 6L80 and 6L90 (RPO MYC, MYD) transmission output ring gear and output shafts began to enter production starting with the March 2012 applications. A registered P0877 trouble code means that the powertrain control module (PCM) has detected a discrepancy in the ideal range of the transmission fluid pressure sensor. The P0842 code indicates that there has been an abnormally high voltage reading from the transmission fluid pressure sensor circuit. ” The powertrain control module (PCM) will log this code if it detects a lower-than-normal voltage signal from sensor “C” input. txt) or read book online for free. Oct 11, 2016 · P0842; P0843; P0844; P0845; P0846; P0847; P0848; P0849; Part 2 of 7: Check the condition of the transmission oil pressure switches. Transmissions Stock Transmissions Custom Transmissions Performance Transmissions Featured Transmissions Replacement Transfer Cases Transmission Coolers Reman Transmissions FAQ The Jasper Process Why Jasper Transmissions RAP®2 Program Value-Oriented Products & Superior Customer Service JASPER is committed to helping you succeed. 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. Learn causes & expert tips to fix faulty sensors, wiring issues. Oct 23, 2022 · Conclusion. Feb 27, 2016 · In this video, i show the rebuilding process of the pressure switches using the sonnax tool. The codes are: P0872 Transmission Fluid Pressure Sensor / Switch C Circuit Low. Valve Bodies Quick Find by Unit; Core Return; R&R Service; Warranty Only; Tech Resources; Find a Distributor; Performance & Heavy Duty Browse All Parts; 4L60E Yet another "newer" car that already has a drivetrain problem before 100k miles. Mar 9, 2023 · Since so many of us own at least one Tahoe or Yukon equipped with a 6L80, I figured I'd start an all-encompassing transmission thread with videos, links and other information as it relates to the 6L80/90 transmissions. I can not find a fault code listing for P0889. 6L80, 6L90 Remanufactured TEHCM Part No. Hopefully, now you have a good idea of all the 6-speed transmission problems of 2015 silverado. Some of the transmission problems associated with this DTC include harsh or delayed shifts, transmission overheating and torque converter problems. In order to ensure your Allison transmission remains in good working condition for years to come it is important that regular maintenance checks are performed on all components of your vehicle’s electrical and mechanical systems as well as prompt repairs being made whenever necessary. Oct 16, 2008 · GMC TSB 07-07-30-015A Make: GMC Number: 07-07-30-015A Title: 6T70, 6T75, 6L50, 6L80 Or 6L90 Automatic Transmission - Information On Transmission Fluid Pressure (Tfp) Switch Check For False DTCS P0842, P0843, P0872, P0873, P0877, P0878, P0989 Or P0990 Troubleshoot P0842 OBD-II code: Transmission Fluid Pressure Sensor Circuit Low. A diff mechanic I found used a MacTools Mac TaskPlus and got 4 TCM codes. You don't show a fault for switch #1, but if it had a problem (like the others), it should report a code of either P0842 or P0843. Jan 11, 2019 · 2008 STS4 codes p0877 p0842 p0872 p0989 Jump to Latest 4K views 2 replies 3 participants last post by Submariner409 Jan 18, 2019 Jun 12, 2017 · For a 2010 suburban with 6l80e. 1 6T70, 6T75 transmissions contain exactly the right tools and parts for fast, safe installation of new pressure switch laminate discs and seals. Solving 6L80 / 6L90 valve body problems. pdf), Text File (. (813) 333-5050. The PCM or TCM will log a P0989 code if it detects a problem with the transmission fluid pressure sensor/switch (in the E position) or its circuit. I took this sample sooner than planned because I got some tranny codes, P0842, P0872, P0877, last Nov/Dec. @NickTransmissions Apr 9, 2015 · P0872 is sensing a problem with switch #3. P0842: Transmission Fluid Pressure Sensor/Switch A Circuit Low: P0843: Transmission Fluid Pressure Sensor/Switch A Circuit High: P0844: Transmission Fluid Pressure Sensor/Switch A Circuit Intermittent: P0845: Transmission Fluid Pressure Sensor/Switch B Circuit: P0846: Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance: P0847 6L80E - Free ebook download as PDF File (. This information allows the ECU to determine the correct shift pattern based on the current driving situation. Step 1: Try to start the engine. Sep 9, 2020 · Models. Pressure test specifications, have transmission full of fluid and warmed to operating temperatures, Use scan tool to command EPC solenoid for test. Some intermittent sticking can throw the code but not necessarily a problem. 1) Pressure Switch Rebuild Installation Tool Kit 124740-TL70 While Sonnax makes every effort to ensure the accuracy of technical articles at time of publication, we assume no liability for inaccuracies or for information which may become outdated or obsolete over time. Oct 14, 2017 · The truck now went back to how it used to be. Jul 13, 2018 #2 Doubeleive Wes. Joined Nov 7, 2017 Posts 25,423 Reaction score 37,748 Location Stockton, Ca. 0 hour of labor. Aug 4, 2022 · Repair Information for P0842 Chevrolet code. to/3ZpqAEqcheck out the link below to our amazon s Sep 6, 2022 · What Does the P0843 Code Mean? Diagnostic trouble code (DTC) P0843 code stands for Transmission Fluid Sensor/Switch “A” Circuit High. All 6L80/6L90 transmissions will utilize the new design by the end of 2012. Aug 30, 2024 · Code P0842 Chevrolet Description. P0842 code definition. Oct 28, 2014 · Sonnax's patented rebuild kits for GM 6L45, 6L50, 6L80, 6L90 and Gen. "8" in the third character position in a DTC indicates that the is experiencing a malfunction. The transmission fluid pressure switch, also known as the pressure switch manifold, is a multiple switch assembly made up of 3 normally open pressure switches and 1 normally closed pressure switch. ” The code is logged once the TFPS input doesn’t match the expected value stored in the PCM. Oct 30, 2021 · Here's my latest (3rd) used ATF analysis report for the Dexron6 from the 6L80 in our 194k mile 07 Denali. P0990 is sensing a problem with switch #5. Sep 2, 2022 · The diagnostic trouble code (DTC) P0872 means “Transmission Fluid Pressure Sensor / Switch ‘C’ Circuit Low. Problems such as whining, difficulty in 1st to 2nd gear change, slipping transmissions, and shuddering transmission are quite common. . The powertrain control module (PCM) or transmission control module (TCM) triggers the P0843 code if it receives a voltage signal from the transmission fluid pressure switch (TFPS) that doesn’t match the normal operating voltage. Find An Sep 23, 2014 · The 6L80/6L90 has been out since 2006 and is beginning to show up in more shops. So I think its time to replace the TEHCM pressure switches with seals & membranes, Sonnax kit # 124740-70K and Sonnax tool kit # 124740-TL70. Also includes links to relevant forum topics on the code. P0872 is a diagnostic trouble code (DTC) for "Transmission Fluid Pressure Sensor/Switch C Circuit Low". Without scan tool you will have approximately 45-80 psi at idle and upwards of 300 in gear at Your scan tool might show a P0796 code while you’re diagnosing your vehicle. So, I dropped the pan and installed new TECHM pressure switch membranes. Clear the code and see if it stays gone. The tranny has stock tune on it so does the engine. P0877 is sensing a problem with switch #4. Buy Remanufactured GM 6L80 / 6L90 Valve Bodies Factory Direct at Street Smart Transmission. Nov 19, 2023 · 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. If you’re planning to repair your vehicle, you’ll first have to learn the definition, causes, and symptoms of a P0796 code. Objectively, it is a fairly simple repair: simply remove the transmission pan, remove the valve body, unbolt the TEHCM from the valve body and install the new one. TSB #07-07-30-015: 6T70, 6T75, 6L50, 6L80 or 6L90 Automatic Transmission - Information on Transmission Fluid Pressure (TFP) Switch Check for False DTCs P0842, P0843, P0872, P0873, P0877, P0878, P0989 or P0990 - (May 24, 2007) Sep 18, 2014 · Has anybody ever had these codes occur after a 6l80E build trans with high stall converter? The car drives fine but these codes keep reoccurring with no diagnosis at this stage. What does that mean? This generic powertrain/engine diagnostic trouble code typically applies to all OBD-II equipped vehicles including but not limited to Chevrolet, Acura, Honda, Saturn, Jeep, Toyota, etc. This article defines what the code means and how to fix it. Use one of the quick links to take action today. All 6L80 questions answered by experts Aug 3, 2022 · What is the Cost to Diagnose the Code? Labor: 1. vehicle was setting pressure switch codes along with shift problems. After installing the service pump cover P/N 24248573, a transmission may have low line pressure. Fluid and Filter was just swapped out with pan drop about 5 months ago. This sensor is responsible for monitoring the hydraulic pressure within the transmission system. To diagnose the P0842 code, it typically requires 1. 1), 6T75 (Gen. Transmission Oil Pressure Sensor/Switch “A” Circuit Low Input malfunction description How to fix P0842 fault code? What are the symptoms and causes for the P0842 fault? What is the P0842 Fault code? What does it signify? When the voltage signal from the transmission oils pressure sensor circuit “A” drops […] Subject: 6T70, 6T75, 6L50, 6L80 or 6L90 Automatic Transmission -- Information on Transmission Fluid Pressure (TFP) Switch Check For False DTCs P0842, P0843, P0872, P0873, P0877, P0878, P0989 or P0990 Models: 2008 Buick Enclave 2007 GMC Acadia 2007 Pontiac G6 2007 Saturn AURA, OUTLOOK with 6T70 or 6T75 Automatic Transmission (RPOs MH2, MH4, MH6, – DTC P0842: Transmission Fluid Pressure (TFP) Switch 1 Circuit Low Voltage – DTC P0843: Transmission Pressure Switch 1 Circuit High Voltage – DTC P0847: Transmission Fluid Pressure (TFP) Switch 2 Circuit Low Voltage – DTC P0848: Transmission Pressure Switch 2 Circuit High Voltage Nov 27, 2022 · Transmission control module tehcm out of a 2008 GMC Denali with 6. The 6L80 / 6L90 TEHCM is located inside of the transmission on the 6L80 / 6L90 valve body. The problem with repairing a 6L80 / 6L90 valve body is that you don’t really know what kind of stress and extreme temperature changes they have been subjected to. P0877 Transmission Fluid Pressure Sensor / Switch D Circuit Low. 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. FAQ. GM6L-TEHCM-C6 Typically fits Cadillac 2012–2015; Chevrolet 2011–2020; GMC 2011–2020; Isuzu 2012–2016. There’s no coaxing, no practice, just successful switch rebuilds the first time, every time. Pressure swit Sep 15, 2003 · 6L80; Browse All Units; Transmission Quick Find by Unit; Browse All Parts; Shift Repair Kits; Zip Valve™ Drop-In Repairs; Sonnax Tool Shop; Tech Resources; Find a Distributor; Reman. Oct 14, 2017 · hey guys! i have a 2007 truck with a 6l80e transmission. A P0842 diagnostic trouble code one of the more serious OBDII codes, as it relates to the hydraulic pressure needed to operate the transmission. 2L 6L80. Ensuring smooth shifting: Promptly addressing the P0842 code can help maintain smooth and efficient gear changes. P0842: Transmission Fluid Pressure Sensor/Switch A Circuit Low: P0843: Transmission Fluid Pressure Sensor/Switch A Circuit High: P0844: Transmission Fluid Pressure Sensor/Switch A Circuit Intermittent: P0845: Transmission Fluid Pressure Sensor/Switch B Circuit: P0846: Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance: P0847 Sep 29, 2023 · The transmission fluid pressure (TFP) sensor/switch plays a critical part in ensuring smooth shifting while driving. 6L50, 6L80: 2006 - 2007 . Sep 18, 2014 · Has anybody ever had these codes occur after a 6l80E build trans with high stall converter? The car drives fine but these codes keep reoccurring with no diagnosis at this stage. Step 2: If you can drive the vehicle, drive the vehicle around the Oct 27, 2014 · 6L45, 6L50, 6L80, 6L90, 6T70 (Gen. Get 6L80 transmission rebuilding tips, 6L80 troubleshooting help, 6L80 technical service bulletins, 6L80 diagnostics and 6L80 technical information from TRNW. Avoiding costly repairs: Dealing with the P0842 code early on can prevent expensive transmission repairs down the line. 2008 GMC Yukon Denali; just got it, so don't know all the history; 138k Common GMC Transmission Codes: P0877, P0872, P0842 - Troubleshooting and Solutions P0877 is a diagnostic trouble code (DTC) for "Transmission Fluid Pressure Sensor/Switch “D” Circuit Low". I'll get it going with a tear down and inspection video and go from there. 6L80/90 technical information. tdpjmtgnrgtsopfhjektakrmtqoauibjuhgiyiwwqfgym