Allison transmission shift selector flashing

 

Selector Display Flashing (Inhibits) 52. Brand: Allison Transmission | Category: Microphone system | Size: 0. Allison Transmission (AT) is responsible for warranty on these parts. To recap, here are the 7 Common Allison Transmission Shift Selector Problems: Problem with the air intake system. In addition to the column shifter, another component associated with the shift selector is the Nuetral Safety Back Up (NSBU) switch mounted on the selector shaft of the transmission. Feb 14, 2010 · Start by removing the nut on it with a 15mm then remove the shift linkage with the arm. Disconnect the shift linkage/cable from the shift lever at the transmission. www. $18. The activation of limp mode. Stuck in neutral or a particular gear. Pic #3 below shows where NSBU mounts, and #4 shows new tan switch. The drive indicator "D" is flashing and it's really slow at picking up in speed. There are at least a couple of plugs that connect directly to the tranny and at least one, maybe two, connecting to the ECU directly under the shift pad. Park the vehicle on a level surface, shift to N (Neutral) and apply the parking brake. This is an older thread, you may not receive a response, and could be reviving an old thread. 2) The ECM on most Allison Transmissions are always fed power. Exit Prognostics. 0 EcoDiesel. Mechanic's Assistant: Have you checked the level of your transmission fluid? Is it bright red, or is it dirty? Jan 18, 2022 · Ram Year. The NSBU switch mounts directly onto the transmission housing, from the outside, and detects Jun 5, 2017 · If the Gear Selected display does not match the shifter position in the vehicle, diagnose using one of the following methods. The battery were now good so I put new batteries. P0218 TRANSMISSION FLUID OVER TEMPERATURE CONDITION. allisontransmission. P0562 SYSTEM VOLTAGE LOW. Prognostic Features 5th Generation Electronic Controls Shift Selectors display . 1000 and 2200 Models—These transmission models are best suited. Press 'D' on the shift pad. Patty and I stopped at a rest area a few weeks ago. Nov 14, 2016 · The cursor inderlining the D was flashing and a message said shift inhibited select N to reset. information can be displayed on the shift selector. Use the P/N from your appropriate parts catalog or from Appendix E in this manual. If a room is not fully retracted and locked the transmission will not shift out of "NEUTRAL". The selector stays in 6th and does not respond to up or down shift command. With the transmission in "D" also seem to be normal. d. Thank you _____ 1998 Fleetwood American Tradition 40VS Cummins C8. View online or download Allison transmission 3000 HS Operator's Manual. ABOUT ALLISON WARRANTY INFORMATION MORE INFO ABOUT THE PART. High idle goes off. It's most likely electrical or communication issue. My hand diagnostic reader is pulling code PO976 Shift Solenoid "B" Control Circuit Low (Shift Solenoid Valve S2). No long shift cables required. Location: Citrus Springs FL,. Allison Transmission / A BRIEF DESCRIPTION OF THE ALLISON 1000 AND 2000 PRODUCT FAMILY TRANSMISSIONS. Anyone can tell what’s wrong? Allisontransmission 5th Generation Shift Selector Operation and Code Manual - Free download as PDF File (. Solutions include checking and refilling transmission fluid A BRIEF DESCRIPTION OF THE ALLISON 1000 AND 2000 PRODUCT FAMILY TRANSMISSIONS. Allison's Generation 5 electronics offer new capabilities with advanacd prognostics. Dec 23, 2023 · This item is NOT eligible for returns or cancellations. Could this also be a symptom of a bad NSBU switch. For inquiries regarding Allison Transmission Special Service Tools, please call 1-866-621-2128 or email km@service-solutions. And odometer (dash) where show shift number, say F. 01. So now when I put the gear selector on "D", it is just plain black - the letter D does not show. The problem with this is that the power wire could be corroded internally or at a butt connector. Price: $600. Shift Selector Models Detailed information on oil levels, diagnostic codes and prognostic features for your specific shift selector can be found on the following pages. Jun 5, 2018 · MD3060 will not shift to D or R. pdf) or read online for free. Part Number: 29507949. 92. Condition: New (Reman) Brand: Allison. This occurs when the vehicle unexpectedly shifts into a higher or lower gear without any input or speed change. It goes off after a while (not sure how long). The Allison shift selector will display the “Allison Transmission” ® initialization screen followed by a “FuelSense 2. Check the wiring connection on the transmission. Please help. Orscheln Products has a line of shifters, connection kits, cables and fluid level indicators for your solution. I don’t think the Service Engine Soon (SES) light comes on for just normal warm up, but the “D” will blink. Oct 30, 2016 · Help. I can detect no problems with the transmission or drivability, everything seems fine. Paddle shifter on column. Its seems to be in limp mode. • 2. Three years (and about 25K miles) have gone by without any transmission problems - van runs just fine. Parked our 2019 Verona 36 to unload it. I put it in N then back into drive and it didnt work. you can use the tech 2 to make sure the tcm is receiving a signal on what gear its in when you move the gear selector. 5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Dec 3, 2007 · The NSBU is located on driver side of trans, above and at rear of pan. Description: Push Button Transmission Shift Selector For Peterbilt Brand: Allison® Сondition: New Part Number: SBW-PB2-671, SBWPB2671. One of the most common issues with GM's 10-speed transmission is the shift selector problem. Flashing Gear Indicator. • Repair parts for the external harnesses and external harness components must be obtained from Sep 25, 2014 · Posts: 134. At the discretion of the OEM, vehicles not equipped with ® an Allison shift selector display can provide the FuelSense message on a dash display. 394. Note: without the CAN link, the Shift Selector cannot display the selected transmission range. Be sure to park the vehicle on a level surface, shift to N (NEUTRAL) and apply the parking brake before accessing prognostics through the shift selector. Some owners also reported valve body and water pump issues, which are rare. You need new mechanic or driver. Advertisement. 1 - Allison 4700 OFS (Oil Field Series) This display indicates a failure of the CAN communication link, the cat-eyes are illuminated in both the Select and Monitor Display, and "CHECK TRANS" light is usually activated. In case this is the issue, I found the instructions from the HWH 2000 Series Manual: "NEUTRAL HOLD OVERRIDE SWITCH. Wiring issues. i noticed this happens when the indicator light underneath the gears on the cluster does not come on to indicate what gear im in. Description: Transmission Shift Lever Selector Assembly. I have ruled out most of the obvious, trans oil is at correct level, jacks are up and "Travel" light is green indicating good to go, slide out in fully, step in completely. Insert the two long #1032 screws into these holes on the Shift Shaft Adapter (see Illustration #1). 1) Delayed Shifting. A. tes-185 transmission oil level sensor-transmissi e no 02/09/2009 tes-186 shift selector assembly, sealed-shift se b no 01/28/2009 tes-188 lever type shift selector housin-lever t b no 01/28/2009 tes-190 component function specification-compone b no 01/28/2009 tes-2 spur, helical and internal gear-spur, he f no 01/27/2009 Genuine Mitsubishi J4 (J1) CVT Transmission Fluid 3 Quarts OE MZ320185. Engine. INCLUDES. SHIFT Feb 3, 2014 · Orscheln offers a variety of solutions for Allison 1000/2000/2400 Transmissions. Tried backing up same thing. • Obtain a new PNP switch kit, P/N 29540479, from the Parts Department. The Generation 5 shift selectors now feature easy-to-read LED displays that show both text and numerals. What can it be. Some of the coaches have the slide outs and other items connected to the transmission control circuits so the coach can not move before all the safety requirements are met. 2) changed the internal and external transmission filters - no help. Allison transmission not going into gear. Allison Transmission Service Wrench Reset . Next you will need to remove the connectors, on and LLY simply pull up on the locking collar as you pull the plug out. Allison Transmission has the 06 most common shift selector problems, including delayed shifting, limp mode, mis-adjustment of gears and levers, fluid leakage, stuck gears, and slipping gears. Good afternoon guys, I have a 2005 kodiak c4500 with allison transmission and recently it went into limp mode and will not shift. This is troublesome and annoying for all drivers, so finding the right solution for it is essential. Page 8: Introduction. • Repair parts for the external harnesses and external harness components must be obtained from Sep 13, 2020 · The transmission is in neutral does not shift in gear the selector for 2 or 4weel drive is flashing do not shift . The Shift Lever Selector Assembly allows the selection of multiple gear ratios and functionalities of the transmission through the TCM. Jul 30, 2011 · Drove one for 2 yrs. But I wasn't in drive. is of the vent tube, please let us know. Not problem one. Part Number: 29551516. Well there you have it: the most likely causes and possible cures for the most common problem plaguing the Allison LCT1000 transmission: inhibited shifts or gear ranges. #2 · Oct 11, 2010. 00. Shift indicator flashed in both "R" and "D". May 25, 2013 · Check transmission operation; if it seems to be working properly, check the appropriate sensor inputs. In mountains took too long to downshift so ran it as manual. 03 product ratings. Description: Allison Transmission Push Button Selector Pad Module. Recheck the connections, and the wiring over the trans. 0 logo. Join Date: Jun 2004. Allison Transmission shift selector Operation Manual (24 pages) 5th generation OIL LEVEL INFORMATION, DIAGNOSTIC CODES AND PROGNOSTIC FEATURES FOR 3000/4000 SERIES AND TC10 ALLISON TRANSMISSIONS. Today I went out to put it in storage. Using a pushbutton shift selector, simultaneously Dec 17, 2002 · 4. If anyone knows what the o. Chevy 04. Disconnect the battery first, then unplug the Jul 20, 2013 · Alpine Owners Club. i would see if the tcm or cluster is getting a good signal. shift selector will be available through the Allison Transmission Parts Distribution Center (PDC). If your vehicle has a shift selector that has a: Apr 16, 2020 · Shifted fine between D,N,R,N,D,N,R N,D,N,ROK problem solvedtill I actually moved the truck backward and tried to shift back into drive and same exact problem. 98. I'd your getting a flashing light on the shift knob, there's issue with the shifter and transmission not agreeing on the selected gear vs what gear it's actually commanded. 6. 3 300 HP Mechanical Injection Pump Allison Transmission I decided to try and shift it into gear just to roll forward and back a bit and ran into the following issue: 1. Then I turns of engine wait for 5 minutes, and it get back normal. Before defaulting to having it serviced, check all your connections, not just at the battery. Shaker. Shift Selector Operation and Code Manual. 4. I shut the truck off and started it back up trying to engage some type of reaponse from the transmission. As said above, the OEM on 01-03 models was black, and after 03ish they now are tan. The vehicle is equipped with a column type shift selector. Inability to shift into certain gears. Dec 9, 2018 · U0291 - Lost Communication. 68. May 4, 2023 · conclusion. Repair parts for the internal wiring harness and for wiring harness components attached to the shift selector will be available through the Allison Transmission Parts Distribution Center (PDC). 395. Jan 19, 2010 · The Transmission Control Module (TCM) - computer (with a reading from the temperature switch in the transmission pan) puts the transmission into a “limp” mode in case you have to move the vehicle. However, there's no part number information for it. Inadequate or flawed transmission fluid. prognostics in text form to Provide at-a-glance status of Oil . Shift Selector Models Detailed information on oil levels, diagnostic codes and prognostic fea-tures for your specific shift selector can be found on the following pages. • Nov 16, 2019 · Join Date: Jul 2002. com. View online or download Allison transmission 3500 Operator's Manual Selector Display Flashing (Inhibits) 52. If your vehicle has a shift selector that has a: This brochure will help you understand shift selector readouts and enjoy long, trouble-free operation of your Allison Automatic. With a wrench keeping the shift lever from rotating, remove the nut from the end of the selector shaft. + View More. Dec 22, 2013 · Re: Allison MD3060 Won't Shift Into Gear- Any Advice Helpful. Allison Genuine Parts™. Allison’s 6th Gen Jan 28, 2020 · I have kw t680 2015 paccar auto transmission. After calling Allison's Customer Service, they have no clue about it. Jul 15, 2023 · The Allison Transmission Shift Selector Problems are a common concern among vehicle owners, leading to frustrating driving experiences and potential safety hazards on the road. Prognostics is proactive information that supplies information prior to a problem so that hopefully you can avoid that from happening in the future. Use the following procedure to display oil level information if the transmission is equipped with the option. Engine idle is 700. Below are some of the most common signs that may indicate a shift selector issue with your Allison transmission: Intermittent shifting problems. Apr 7, 2014 · On the Down shift it doesn't down shift until about 7 rpm's and it SLAMS into 9th gear and Jerks the hell out of the truck like you just been rear ended It has a problem going into R and D (1,2 gear) it just keeps flashing the number in the Display and takes 20-60 seconds or more to go into gear This manual will help you understand shift selector readouts and enjoy long, trouble-free operation of your Allison Automatic. ISO/QS 9000 and ISO 14001 certified Information or specifications subject to change without notice or obligation. 51 MB. I have a Monoco 2000 with ISC 8. Posts: 2,554. GM/Duramax Allison 6 Spd Transmission Neutral Safety (PRNDL) Switch. Abnormal adjustment of the gears and levers. Strange display on Allison shift selector. P0123 PEDAL POSITION SENSOR CIRCUIT HIGH VOLTAGE. . The NSBU switch transmits selector position information to the TCM. Allison transmission 3500 Pdf User Manuals. Find many great new & used options and get the best deals for RV Allison Transmission Shift Selector 29529430 at the best online prices at eBay! Free shipping for many products! Description: Push Button Shift Selector 5th Geration Condition: New Brand: Allison Part Number: 29551495 Other OEM Part Numbers That Will Work: 29551495, 29551555, 29546171, 29541991, 29546211, 29544831, 700729AT Jan 19, 2022 · 113. 1997 3060 . Bad fuse or relay. Dec 9, 2019 · Double Cat-Eyes. SA3360EN (2002/02) Transmission Mechanic: Mike Mcmillan. #2. Jan 1, 2023 · The specifics: 2015 Tiffin Allegro RED motorhome, Allison 2500MH transmission with an Arens Shift by Wire system with the 6 button shift selector. 2. This manual will help you gain maximum benefits from For shipping inquiries or damaged shipment concerns, contact us at. Ask about this product. If the transmission is slipping, repair as needed. Came home yesterday from a trip. Allison. Use a file to remove any burrs or raised metal where the selector lever was seated against the shoulder of the selector shaft. The Allison electronic controls package oversees the operation of the transmission, controlling transmission upshifts and downshifts, and providing important information on the operation of your drive system. The 1000 and 2000 Product Family transmissions are fully automatic, torque-converter driven, electronically controlled transmissions best suited for light–medium duty, on-highway applications. Compact, easy to use. The other thoughts have been covered. Part Number: 29546180. Just a 10 spd with a shifter. About six months later, the "D" light disappeared completely. Release paring break. Product Information. 2015. Dec 18, 2008 · At idle speed when backing up it will drop out of gear and the prindl R will flash (blink). I shut down the engine, restarted and the transmission operated Apr 11, 2022 · Allison Transmission Shift Selector Problems. While the ones I’ve discussed are the most frequent, other issues could arise in this intricate automatic transmission. Jan 21, 2015 · W/Auto Transmission. Look careful where the bracket hold down the harness. View online or download Allison transmission 4000 MH Series Owner's Manual. Manufacturer information Allison Transmission® is the largest manufacturer of commercial-duty automatic transmissions and hybrid propulsion systems for various applications, including medium and heavy duty commercial vehicles and city buses. One of the most common problems that you might have to deal with on automatic transmissions is delayed shifting. Allison J1939 shift selectors broadcast proprietary messages to the TCM related to range selection and other operating modes. 1) Transmission ECM fuse inside of the battery box! Corroded fuse holder! Replace the fuse even if it doesn't look or test out bad. View and Download Allison Transmission Shift Selector 5 Generation instruction manual online. Oil Life Monitor Stop troubleshooting = 100% defective ECU! Locate the ECU (in most RV’s the ECU is mounted directly to the shift pad). 3 Cummins 350 HP and Allison trans 3660 that won't shift out of neutral. Allison B 500 Pdf User Manuals. An Allison 1000/2000/2400 transmission can be used for a variety of applications, including on-highway, off-highway, agriculture, construction Shift Selector Problem. Fuel economy and alternative fuels, electrification, connectivity, autonomous vehicles and more are all market trends that are optimized by our innovative new 6th Gen Controls System. Strange noises coming from the engine or transmission- this happens often and you may hear humming, grinding, whining, and buzzing. For a bump lever shift selector, press the DIAGNOSTICS range button until back to range display. Find many great new & used options and get the best deals for Allison Transmission Shifter Pad Shift Selector 29538371 at the best online prices at eBay! Free shipping for many products! 2011 Chevy 3500 Duramax Allison Transmission. Est. Brand: Allison. 5. Retarder Indicator. 396. Dash says check trans, and shifter pad has all the code leds lit up at once. Let us discuss these 06 most common problems and their possible solutions. key to the run position on your Allison-equipped Nov 19, 2023 · When faced with shift selector problems, various symptoms may occur. K&R Truck Parts (531) 100% positive feedback. Your Allison Automatic is fully electronically controlled. Circuit Description: In Allison 4/5th Generation Controls, the Transmission Control Module (TCM) communicates with the shift selector over the J1939 Controller Area Network (CAN). To recap, here are the 4 Most Common Allison 1000 Transmission Problems: Wiring Issues. The second event occured after vehicle was parked, this time not only did reverse but also forward gear. Jun 5, 2021 · The van ran fine and continued to run fine. Through readouts on your shift selector, you will be able to monitor Oct 27, 2008 · Disconnect the shift linkage/cable from the shift lever at the transmission. 0” screen upon vehicle Feb 15, 2009 · Custom EFILive tuning, In house Dynojet 224LC Dyno, Custom Danville Performance Turbos including VGT's, Modded LBZ CP3's, Sled pulling setup and parts, competition built motors, etc For more details Call Larry, Matt, or Mark at 317-745-8587. It started fine left air build up ,put it in gear but just got the 6 flashing. Symptoms include mismatched indicators and gear issues. Box 894 Indianapolis, IN 46206-0894 1-800-252-5ATD. The repair will depend on what is wrong. 365 Days warranty. Upon start up I choose "D" and the "6" gear indicator was flashing. 1-877-795-0656 or support@advancedtruckparts. Anybody seen this before? road tested OK and shifted through the forward gears like it should. Correction Disconnect the wiring harness from the PNP switch. When driving a few hundred miles last night, the trans started not shifting correctly by always being one May 22, 2023 · The following signs may apply to all transmission models and brands and are not limited to just the Allison 3000 or other Allison models. Disconnect the wiring connector from the original transmission mounted PNP switch. Automann 562. P. Stuck In Limp Mode. You just have to shut it down to shift to reverse from drive, or from drive to reverse. 1) changed the NSBU switch - no help. when calling Weller Truck ask for the Allison parts divisionÂ. Posts: 191. As propulsion needs evolve, Allison is working hard to meet and exceed the expectations of fleet owners and operators. USA. 29546186 lever selector assy (1) 29541937 front-facing lever selector knob (1) 29541929 retaining clip (1) 29541916 right lever bezel (1) 29546187 lever selector module (1) 29528789 detent spring (1) Allison 1000 Transmission Problems [05 Problems and Solutions] Allison 1000 transmission has 5 common problems, including the torque converter, TCM module, shift selector shifting problem, limp mode, and installation issues. The WRENCH ICON will illuminate briefly after you turn the . Description. There is a light call ‘service’ beside the shift , puff up. Other Oem P/N: 29507949. The problem I'm having first appeared as difficulty in shifting from Drive to Neutralactually I had to press Reverse to get it into Neutral. I tried reverse and even the manual shifting. Life, Filter Life and Transmission Health. Product Details. If your vehicle has a shift selector that has a: Oct 11, 2010 · 18259 posts · Joined 2008. I found the transmission ecm in the battery compartment but I cannot locate the VIM to check the relays. Neutral Indicator for PTO and PTO Enable. Jun 3, 2020 · When I got home I had the same issues, shift pad blinking and no gears. Recently had an issue with my transmission. $63. Selector Display Flashing (Inhibits) Using Shift Selector for Accessing Jan 31, 2004 · 2007 Allison manual shifting issue Recently while going down hill with the selector in "M" and in 4th gear the indicator jumped to 6th and the transmission upshift. Underneath my gear selector on my dash the line is flashing I've changed - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Fluid Leakages. Reverse indicator flashed too but it was still in neutral. Though fairly reliable, these transmissions have a few common issues, mainly due to electrical faults. Spray them with WD-40, plug and unplug a few times and try it again. I'm seeing a display like the one in the image below, only after shutting down the coach and very intermittently - I've only seen it about 3 times. Allison Transmission is responsible for warranty on these parts. Allison 29546171 Transmission Shift Shifter Pad Selector 29551555 29546211. Jan 19, 2022. Sep 12, 2023 · Allison transmission shift selector is a series of electronically controlled automatic transmissions manufactured by allison transmission. P057C BRAKE PEDAL POSITION SENSOR LOW. Allison Transmission fault code list for 5th Generation Electronic Shift Selector. Figure 1. After vehicle was parked for more that 5 days in garage transmission would not engage, first event only malfunctioned in reverse, shift indicator flashing in reverse position. sounds like the display is not working correctly but the service brake system throws a curve there. O. #1 · Oct 7, 2014. . 3) have codes po0746 and po0776. Trending at $82. Table of Contents. - The 29551516 is the cover for the 29546210 shift selector. Sometimes when going forward at idle same thing but prndl D will flash. This brochure will help you understand shift selector readouts and enjoy long, trouble-free operation of your Allison Automatic. The Push Button Shift Selector transmits the operator's requested direction to the transmission control module (TCM). Detroit. Allison Transmission (NYSE: ALSN) is a leading designer and manufacturer of vehicle propulsion solutions for commercial and defense vehicles, the largest global manufacturer of medium- and heavy-duty fully automatic transmissions, and a leader in electrified propulsion systems that Improve the Way the World Works. Reply #7 – December 22, 2013, 06:43:37 pm. Incidentally, if you are having Allison transmission shift selector problems, you can fix it just by tightening the pins. Sometimes when I change my shift from N to D , it doesn’t go nowhere. The service light on the shift selector was on steady. When the light would come on it shifts Jan 6, 2018 · The transmission may need the attention of a qualified service technician. - The sticker on the 29551516 Shift Selector cover says that it is Arens item number FP995-1 with the description G5, Faceplate, Standard. All Emergency Vehicle Series transmissions are available with engine driven PTO provisions and optional retarders. DanvillePerformance. Manufactured by Allison. The blinking has not happened again. Thanks. Check these first. sounds like there may be a short or broken wire to the NSBU switch. SHIFT SELECTOR TRANSITION and OIL FIELD PUMPING Mar 7, 2010 · The idea is to allow any fluid that would vent on the rear to the transmission instead to run (internally) up the tube and drain back into the transmission. P0122 PEDAL POSITION SENSOR CIRCUIT LOW VOLTAGE. Orders placed before 7-PM EST will ship same day. Okay, If it is not putting up the active nor inactive faults the unit will need to have the faults pulled with a scan tool to see what fault data is present. If the Shift Shaft Adapter is stuck on the Transmission Selector Shaft, use two long #10-32 screws (not supplied) to help with removal. May 1, 2023 · Conclusion. delivery Thu, May 23 - Sat, May 25. The main reason behind delayed shifting is a faulty shift selector. Oct 7, 2014 · 2 posts · Joined 2014. To enter the oil level display mode: 1. Free shipping. I believe it is second (2nd) gear. Apr 28, 2023 · Step 2: Now move the shift selector in this sequence- N-D-N-D-N-D; Step 3: While moving the shift selector, pause a little; we can say for about 3 seconds between each shift selector movement. INTRODUCTION KEEPING THAT ALLISON ADVANTAGE Emergency Vehicle Series (EVS) transmissions are rugged and designed to provide long, trouble-free service. 7461 Shifter Boot, For Freightliner. The delayed shifting can be caused due to a lot of problems, but Feb 2, 2012 · With the transmission selector blinking, then nothing, wonder if there is an inhibit present. Condition: New. 3. Manufacturer information. For a pushbutton shift selector, press the N (NEUTRAL) range button. I did clear the codes using the hand code reader and for Remove these four socket head cap screws that hold the Shift Shaft Adapter in place, as shown in Figure #4. When this sensor goes bad, you'll likely get a "shift range inhibited" message on the message center along with a flashing light under the gear or range you are attempting to shift to. Allows the driver to shift transmission with the touch of a button. Phoenix Az. I noticed the engine rpm at neutral is 1200 per the gauge and I can't lower it with the idle up/down switch (just can increase it to 1500 rpm) Join the #1 RV When you are alerted via the WRENCH ICON on the shift selector that service is due, you can check the status by toggling through the shift selector display as follows . Stuck or slipping gear. View online or download Allison B 500 Troubleshooting Manual. If that procedure is not working, sometimes I run into a defective shift button assembly. 1. Shift Selector Issues. Full service break press and release (parking break light goes off) 3. On the LB7 grab a heat gun (heatshrink tubing size not oxy-acetalyne torch) and heat up one of the connectors, the wiggle it out and reheat Sep 22, 2013 · Repair parts for the internal wiring harness and for wiring harness components attached to the shift selector will be available through the Allison Transmission Parts Distribution Center (PDC). 6th Gen Controls. If remote shift selector is used, ECU may be nearby, close to VIM Module or mostly on trucks is mounted close to the transmission (just follow bundle of wires from transmission). cl vu ok hj pb js dn vd bx xu