45rfe pressure sensor symptoms Pull sensor out. The TCM uses different line pressure settings for different gears and the pressure sensor is the feedback signal for the actual pressure. If it reads significantly higher (like 89 psi), then there's at least one of your problems. It drove in 2 and 3 (manually shifted. Here are my symptoms: 1) After car is put into gear after warmup, at a red light the car gives a "kunk" 2) While still warming up and at a stop, the engine rpm's 45RFE Code (DTC) P0932 Hydraulic Pressure Sensor Circuit; 45RFE Code (DTC) P0933 Hydraulic Pressure Sensor Range/Performance; 45RFE Code (DTC) P0934 Hydraulic Pressure Sensor Circuit Low Input; 45RFE Code (DTC) P0935 Hydraulic Pressure Sensor Circuit High Input; 45RFE Code (DTC) P0936 Hydraulic Pressure Sensor Circuit Intermittent Jan 6, 2011 · Mine is a wj 4. Feb 3, 2018 · If your line pressure is screwed up, that can cause bad shifting and ratio errors. It Jun 21, 2023 · 68Rfe Line Pressure Sensor Failure . Aug 15, 2020 · The 5-45RFE uses a closed loop system for the line pressure regulation. The DRBt line pressure reading should match the gauge read-ing within ±10 psi. Output speed sensor – May get stuck in gear, won’t shift gears. Governor pressure should equal MPH until the trans reaches overdrive then the PCM shuts down the solenoid to create max gov. I believe it is a 45RFE? Mine shifted rough from 2nd to 3rd. 6. Dec 4, 2017 · Trans Go 45RFE-HD2 ATS Deep Pan Raybestos GPZ 68rfe rebuild kit Triple disc billet TC H&S Mini Maxx with Over Drive tuning. High line pressure can indicate a failed E. Clean area where sensor sits and install new sensor. I really can't seem to find too much info on it, other than: disconnecting it causes the comp to read other sensors to determine the shifts. Rebolt the 8mm bolt (hand tight) 8. Nov 28, 2011 · i keep loosing connection it seems with the line pressure sensor on the trans. This can be caused by an electrical issue with the line pressure sensor or its wiring harness, leading to inaccurate readings and improper shifting of gears. By removing the pressure sensor connector, the TCM positions the pressure regulator solenoid in a fail save position with a fixed pressure. Vacuum gauge reading should be steady and deep (low absolute pressure) at idle. 7. So when line pressure is set too high, gov pressure follows. Accumulator spring – Issues shifting from 3-4. Apr 25, 2019 · Windexer: addressing only the MAP sensor: If you have a vacuum gauge, pull an intake manifold connection (or tee into an existing connection) and install the gauge to see how the pressure is doing. 35 volts for 0. Jan 12, 2016 · One of the most common symptoms of a damaged oil pressure switch is a loose fitting wire that is attached to the switch and relays the information to the ECM. P. Mar 27, 2016 · Joined Mar 27, 2016 Posts 220 Reaction score 118 Location Brentwood, Ca Ram Year 2014 Engine 5. Set Condition: This DTC will set when the monitored Line Pressure Sensor voltage is less than or equal to 0. The gov pressure solenoid receives line pressure and what comes out is the gov pressure. 7 HO with the 545RFE tranny symptoms: MIL on, transmission in limp mode, scan tool reports P0734 GEAR RATIO ERROR IN 4TH. Changed it with mopar and fixed it. Put some ***** fluid on o-rings on new sensor. At idle I'm seeing 50ish psi, with a DLP of 90 or 120. Basic Dis-Assembly, and replacementPressure Solenoid , and Pressure Transducer (Sensor)This Covers All the Below Dodge & Jeep Automatic Transmissions:A500 , Apr 15, 2012 · 06 WK/GCO, MDS "ON" Light, Vortex Gens, Debadged, DashHawk, BT Catch Can, SRT CAI, AFE Hi-Flow Filter, Sonnax Trans Press Booster, Transgo Shift Kit, 6 speed 545RFE via 08 PCM and HP Tuner, ARH long tube headers w/3 in. Manifold pressure decreases as the throttle plate opens. Or could be a bad Jul 25, 2005 · Dodge has had issues with these two guys. Low line pressure can be a sign of a weak or worn front pump, or internal leaks in the transmission. I have a 2005 Dodge Durango SXT 4. The Protect 68 kit told me to look for 225psi of line pressure, so that's what I told the Mini Maxx the max line pressure was. 1 valvetrain, SLP 25% UD Pulley, BBK 90mm TB, SOS Coils, TEA Jul 1, 2010 · A 2010 Jeep Liberty 3. If I rev the truck to 1200 it's dead on. solenoid. Nov 25, 2024 · Governor pressure solenoid or sensor (transducer). Figure 5. This will allow a comparison of the DRBt readings and the gauge reading to determine the accuracy of the line pressure sensor. Mar 6, 2012 · I have a 42re trans and was wondering what were some of the other symptoms associated with a bad governor pressure solenoid & sensor. Aug 14, 2018 · Hello, I have codes P0731 - Gear 1 Incorrect Ratio P0846 - Transmission Fluid Pressure Sensor / Switch "B" Circuit Circuit Range/Performance Previously, the Jeep would die when I'd shift it into Drive or 1. 3K views 1 reply 2 participants last post by dmcelhannon Oct 17, 2015. Sep 5, 2009 · Line Pressure being set too high is the most likely scenario in this case. originally also had P0735 GEAR RATIO ERROR 4TH PRIME, but after clearing codes it keeps coming back with just the 734. (Governor pressure is suppose to read around 1PSI for every 1MPH. Pulled the TCM relay to force limp mode. seems to be hesitating or P0845 Transmission Fluid Pressure Sensor / Switch B Circuit Code Severity & Symptoms. Let’s start by examining how the pressure control solenoid affects pressure on this transmission: Please post any info on the "line pressure sensor" mod here. Boost valve spring retainer – can break, leading to the boost valve and spring coming out of position. By promptly addressing any issues and seeking professional repairs when necessary, you can ensure a smooth and reliable driving experience. 7 Hemi 2WD Quad Cab Jun 25, 2014 · 4. The range sensor was replaced, yet the code remained. Mar 6, 2012 · I changed both speed sensors, line pressure sensor, Valve body, Governor solenoid pack, fluid and filters. 545RFE Issues and Solutions: DIY Fixes - Automotive Blog Aug 3, 2015 · A factory compatible scan tool may be able to actuate the electronic pressure control solenoid and display the pressure reading on the screen. ) The solution: Reduce line pressure. Unplug the harness from the Line Pressure sensor (at the very back of the main trans case, just above the pan rail, on the passenger side). When the wire is not secured, it can cause the sensor to register lower pressure than what is inside the transmission. C. Jan 12, 2023 · P0933 – Line Pressure Sensor Performance. Careful: With a max line condition, this code may incorrectly send you to the line pressure sensor. If the actual line pressure reading is more than 172. catback, Bilsteins, SRT bumpers/roof rails/brake cooling ducts, SRT Lwr Sprgs/Sways, FRI Sidewinder Cam Adv 6*, 6. Aug 15, 2020 · If the pressure sensor is faulty, it can give a higher pressure feedback to the TCM then the actual line pressure, resulting in clutch slippage during higher torque demands. ) P0876 is typically an electrical circuit (TFPS sensor circuit) issue, although as previously stated this code may also be set due to mechanical issues (internal leaks, cracked or missing check balls in the valve body, low system operating pressure/main line pressure, stuck valve in the valve body). 18 seconds. Nov 19, 2013 · 2003 grand cherokee, 4. works fine for a while, or for one trip, and then all of a sudden the trans downshifts hard (into limp mode) and the CEL comes on with the trans pressure sensor code. In order to access any other pressure tap locations, Jan 30, 2024 · Being aware of the common problems, symptoms, and consequences associated with the Dodge 45RFE transmission is essential for maintaining the longevity and performance of your vehicle. Line Pressure, but is less than the highest Line Pressure ever used in the current gear, the DTC sets. The solenoid block has one solenoid for the pressure regulation. It wont be pouring but some drippage, YMMV) 5. Oct 17, 2015 · What does Dodge Transmission Line Pressure Sensor Circuit Failure mean? Jump to Latest 4. install the pressure gauge and the original sensor into the adapter. A transmission solenoid. It should be 30 psi (the minimum sensor reading). Scanned it and got a code for pressure line sensor. (before pulling sensor out, put some paper towel, old newspaper, old underwear, catch pan to catch some ***** fluid that will come out. May 27, 2018 · Can you read line pressure at all? If you can, then see what the LP reading is with the key on but engine off. This video explains how to replace the Transmission Fluid Pressure Sensor on Chrysler 45RFE and 545RFE Transmissions found on Dodge Dakotas, Dodge Durango and some Jeep Grand Aug 3, 2017 · We’ll look at how they control pressure through the pressure control solenoid, and discuss some common issues and how to troubleshoot line pressure related DTCs. 7 V8 2000. 1-2 shifts smooth in 2, R and D engage smoothly. 7L using the 42RLE transmission came into Delaware County Transmissions with a hard P0706 Range Sensor Rationality code that would set when placed into OD. The 68RFE line pressure sensor failure is a common issue for Dodge Ram owners, resulting in symptoms such as transmission slips, jerks and hard shifts. Likely a wiring problem (bad connection) in one of the LP sensor circuits. 7L with the 5-45RFE transmission. P0934-LINE PRESSURE SENSOR CIRCUIT LOW When Monitored: Continuously with the ignition on and engine running. This causes a leak of the 4th gear and problems with TCC oil pressure. 4 kPa (25 psi) higher than the desired line pressure, but is less than the highest line pressure ever used in the current gear, P0933 sets. pressure (close to line pressure) sending the trans into 3rd gear and then adding overdrive by engaging the overdrive clutch and disengaging the direct clutch. but in D it goes 1-2, stumbles and then back to 1. nfo mllgl vbnni mde zjynf viko uvpy sajun rlmanas sovr ibieks mwnjk gfih iohiinc pllh