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Duramax code p0700?
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Duramax code p0700?
Your insight can't pull the TCM code, use a v2 or something better to get them pulled and see what happened. My LLY won't pass emissions. Anyway, I cleared the code and put it in manual shift. Originally, P0700 and I think maybe one other code showed up, but those have not reoccurred after I cleared them. A trouble code is a code thrown out by an automatic transmission whenever it detects that there is an issue going on. P0741 - Torque Converter Clutch Circuit Performance or Stuck Off and P0743 Torque Converter Clutch (TCC) Solenoid Circuit. After pulling over onto the next exit I noticed that I no longer had reverse and, according to my CTS, the trans was locked in 5th. Checked codes and see P0700 and P0741. 2006 Chevy 2500 HD 4x4, LBZ, Ranch Hand Front Bumper, B&W Gooseneck Hitch, SDP EGR Delete, PCV rerouted, EFI Live w/V2, 4094 AVNT, Edge Evolution (Gauges only), Mike LL. 07 GMC Sierra Classic (LBZ) Duramax Dually Crewcab 4X4, FASS Titanium 95, Ohio Diesel Parts Tank Sump, bypass engine oil filter, synthetic. same thing happened to me a few times. Replaced the E shift valve, its still stuck in shift inhibit. Hello all, just recently drove a 2,000 mile round trip with no issues5 LLY) The second day back in jersey temps dropped and my truck was cold for the first time in a week or two. Yesterday bought a set of rims and tires 20x10 with 37's it had 35s and then I had dead battery's do I spent 350 in 2 battery's. 8 posts · Joined 2012 Go to an auto parts store like O Reilly's and they print u off a list of the possible causes and fixes to the code. Pulled the codes and the codes are; P0700 U2105 U2106 U1800 Symptoms are that the truck seems. Issue Severity: SEVERE - Stop driving immediately. The P0700 code is a generic Diagnostic Trouble Code (DTC) used in OBDII systems to indicate a problem with the transmission control system. A p0700 means that there is a code stored in the trans control module that you will have to read 01 sunset orange ext. 2005 Chevy 2500 HD Duramax, Banks 4" turbo back monster exhaust, Six gun with speedloader and Banks Ram air intake with the Super Scoop!!! Among the most commonly found OBD-II codes on Duramax trucks is P0700, which indicates a transmission control system error. Since there is no "Check Transmission Light," the ECM sets an informational DTC P0700 and illuminates the MIL or CEL (malfunction indicator lamp or check engine light). It’s an integral part of any modern automatic transmission. This is not neccesarily the tcm being bad. The transmission will not work correctly until I stop and clear these codes. In the case of the P0700, it is a general code One of the most common problems with the Chevy Silverado is when it throws the P0700 trouble code. 2006 Chevy 2500 HD 4x4, LBZ, Ranch Hand Front Bumper, B&W Gooseneck Hitch, SDP EGR Delete, PCV rerouted, EFI Live w/V2, 4094 AVNT, Edge Evolution (Gauges only), Mike LL. P0700 code no start lb7 P0700 code no start lb7 The P0700 code just turns on the check engine light, because the TCM notes a transmission problem. Has anyone seen or heard of this yet. Started to town, CEL came on, and truck didn't want to shift gears. Install a Zip Tie Fir Tree Clip GM PN 84389052, 28 millimeters below the branch break out from above as shown below Insert the Zip Tie style Fir Tree Clip into the location shown below in the ECM Mounting Bracket. A new Reconditioned transmission with a billet back converted to 6 speed valve body this was all done 7,000 miles ago. Any idea on what the issue could be? Doesn't feel like the tranny slips and it's a suncoast. Think about it like this. Converter, Merchant Auto Pump Rub Fix, Transbrace, Air. Check engine light isnt on and everything seems to work fine. Gave me only the p0700 code. I suggest replacing the NSBU switch first. The P0700 Duramax problem is a generic code that applies to vehicles with OBD-II. Jul 22, 2013 · 139 posts · Joined 2010 I was on my way home tonight and it started slipping and jerking while going into 2nd and limped again. Repair Urgency: Fix this code immediately (same day if possible) to avoid internal transmission damage. Truck drove great, but I only got it up to 55mph or so (but the dash was stone dead, so who knows how fast I was really going). Nov 12, 2017 · P0875 and P0700 Codes in 02' LB7 Transmission. The common causes and diagnostic process are discussed here. Code breakers are people who use logic and intuition in order to uncover secret information. The truck would still move but you have to give it some time. 01 Duramax 6. 5 (LB7 & LLY) Allison-equipped HD trucks. When it threw the codes it sounded like a thunk, clunk in driveline. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! The P0700 is a code the TCM sends to the ECM to tell it there is a code in the TCM. P0700 code with bully dog tuner. As for the P0700 code, its the TCM (Transmission Control Module) requesting that the MIL (Message Illumination Light) light up to tell you there is a problem, the P2563 in your case. Hey all, I've got a 2003 LB7 Duramax with 240,000 miles and a Bully Dog tuner throwing p0700 and u2106. Have a 2015 Chevrolet 2500HD, 180K, all stock. 5400 posts · Joined 2012 Speed sensor on the tail housing of the transfer case is a p0500 Pull it out and check the tone wheel through the hole, see if it is loose, if it is good then check wiring on the sensor itself, if wiring is all good and checks out then probably need a new sensor. P0700 Says – “Hey there’s something wrong with this transmission. Aug 13, 2018 · Agreed. Aug 13, 2018 · Agreed. But then I start throwing more codes, P0546 (Exhaust Gas Temperature sensor circuit high) and P1448 Unknown DTC. I have a trouble code right now that is DTC P0700, TCM Malfunction according to my predator programmer. Tech Notes. This morning it was fairly cold outside so I started it up and let it warm up a bit. My codes are P0700 transmission control system (MIL Req) U0073 control module communication Bus off. My '01 LB7 is constantly throwing tranny codes of P0700, 0727, 0742. You need a better scanner to read the stored Trans codes. P0700 code with bully dog tuner. The truck shifts terribly when starting from stopped and intermittently loses power, but seems to run fine at higher speeds. When this happens the most reported code is P0700. U1000, P0700, P1550, P1781, U2106, U1024, C0237, C0236. After driving the truck through high snow one night the next day it went bizerk. Feb 10, 2024 · P0700 Duramax Repair Options For The P0700 Code. i had two codes pop up several days after doing nsbu and the harness to it. it was a buddies of. Jan 26, 2017 · Pulled the codes and the codes are; P0700 U2105 U2106 U1800 Symptoms are that the truck seems to shift only on the mechanical shift points, somwhere around 2500 rpm. DTC P0741 is a type B DTC. Oct 24, 2018 · This video explains how to permanently fix the P0700 Transmission Malfunction error code. you have to search for codes further than what the scan tool will pull. This code is associated with the transmission fluid pressure switch, also known as the pressure switch manifold. 6L LB7 LLY LBZ LMM LML Chevy Duramax Diesel | Installation Instructions & Assembly Lubricant Included CP877. Code shows P0708 w/ P0700. Ended up showing a leak to ground on a couple the connections with the 20 pin plugged in and unplugged so. Oct 15, 2012 · Oh crap, codes! P0700, P0726, P0727, P846. 5-10 LMM Duramax Powertrain P0700 (with detailed information) Jump to Latest. Got home, truck off, cleared codes which were: P0735 (gear 5 ratio incorrect) P0840 (transmission fluid pressure sensor/switch A circuit malfunction) P0700 (transmission control system malfunction) And all back as if nothing happened. mays funeral home augusta ga obituaries This video explains how to permanently fix the P0700 Transmission Malfunction error code. You need to truly read the stored TCM codes. You can google search or whatever internet searching you like to use just type in the code/codes one at a time. Possible resolutions include: TCM replacement. Jan 31, 2012 · Same P0700 code as before, clear it and I'm driving again, get on it again, stuck in 4th. Mar 10, 2008 · p0700 and p0735 code help!. The technician should check for all codes present to accurately diagnose the problem. Concerned, you pull over, grab your trusty O. 6 GMC 2500 code P0847. U1000, P0700, P1550, P1781, U2106, U1024, C0237, C0236. Dec 8, 2008 · Help, New Truck and P0700, U2104, U2105, and U2106 Codes. Any U0000 codes present? Checked the codes and the same ones came up, so I cleared them. Nov 12, 2017 · P0875 and P0700 Codes in 02' LB7 Transmission. Shifted through 1-5, then 6th didn't engage, sounded like it was trying. I bought a 2003 LB7 with a junk transfer case. The pressure switch manifold is the tin looking part next the the long feed line. 50x18 :drink 11133 posts · Joined 2009 P0700 means that the TCM has notified the ECC that there is a transmission fault and to turn on the Check Engine Light. If it receives signals that indicate two different gear positions at the same time for more than 30 seconds P0708 will be set. Hi all, I live in central Texas close to Austin. #5 · Jan 28, 2015 (Edited) The 700 code just turns on the fault light--. I was on the way home from work and the transmission went in to limp mode will take off from a stop sign so I pulled over cleared the code P0700 with my programmer that is Diablo that is set at towing. make a bridge payment cricket P0700/ P0741 code Jump to Latest Follow. Until this happens it shifts through all gears fine. Code: U2105 Modules: TCM Description: Lost Communications With Engine Control System. U0101, while it points toward a loss of comm with the TCM, is commonly a main harness connection issuewhich does all kinds of things down the line. 2015 Duramax, 1986 M1031, 2006 1500HD Like. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. Sorry new here so bare with me. With its user-friendly interface and powerful features, Replit offers a unique coding ex. Once I got ahold of a scanner that could read the TCM, I retrieved the actual trouble codes. Feb 10, 2024 · P0700 Duramax Repair Options For The P0700 Code. 11-16 LML Duramax Powertrain P0700 and p0732. If a relearn does not solve the problem, you hay have a failing clutch. Jan 11, 2010 · I changed the NSBU switch, that fixed the indication problem. My truck is throwing a p0700 code but only when it's really cold. P0777 & P0700 | Chevy and GMC Duramax Diesel Forum. The pressure switch manifold is made up of multiple switches that monitor the position of the shift valves and manual selector valve. Trans problems P0716 P0717. Jan 26, 2017 · Pulled the codes and the codes are; P0700 U2105 U2106 U1800 Symptoms are that the truck seems to shift only on the mechanical shift points, somwhere around 2500 rpm. Your insight can't pull the TCM code, use a v2 or something better to get them pulled and see what happened. Help, New Truck and P0700, U2104, U2105, and U2106 Codes - Diesel Place : Chevrolet and GMC Diesel Truck Forums 566 posts · Joined 2013 P0746 is caused when the transmission detects a clutch slipping. Your insight can't pull the TCM code, use a v2 or something better to get them pulled and see what happened. Oct 15, 2012 · Oh crap, codes! P0700, P0726, P0727, P846. The diagnostic trouble code P0700 means there is a fault in the tranny control system. P0875 and P0700 Codes in 02' LB7 Transmission. 250 cc motorcycle for sale Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! So we did this for about 4 days and on the way back to south texas my truck all of a sudden wouldnt shift out of 4th, insight wouldnt clear the P0700 code so i whipped out the autocal and cleared the new found P0722 code. A trouble code is a code thrown out by an automatic transmission whenever it detects that there is an … What Does Code P0700 Mean? P0700 definition: Transmission Control System Malfunction; Issue Severity: SEVERE – Stop driving immediately. kit and everything went fine. Sep 25, 2014 · P0700 & p0722. 100 posts · Joined 2007 ok well the p0700 code came back again! dont know what to do now. Hi all, I live in central Texas close to Austin. It may be a communications problem on. P0700 trans code. 5 LB7 Duramax Powertrain. Chevy / GMC Duramax 11-16 LML Forums. Google Authenticator just got an update that should make it. P0700 is a generic OBD-II code that is indicating a fault within the transmission control system. The P0841 & P0848 codes are for the pressure switches being stuck off, while the P0872 is for a pressure switch being stuck on. happened about 30 seconds later, mainly when I would let off the gas. Some call it the "Death Code". Pulled from drive way, trans temp 65*. I have an 02' LB7 315K miles, I have replaced in the last month the turbo with a stock turbo and the injectors (2nd time for injectors, first set replaced at 150K) I have changed the fluid and both spin and internal filters last week. When your vehicle’s onboard computer system detects a problem, it will often generate a Diagnostic Trouble … When this happens the most reported code is P0700. The PCM or TCM uses the transmission range sensor, also called the inhibitor switch, to determine the position of the shift lever. Any idea on what the issue could be? Doesn't feel like the tranny slips and it's a suncoast. Extracting this code from the TCM will be the first step in repairing the fault in the transmission. Your vehicle's key code is necessary if you need to replace your car keys through a dealership or locksmith. U0100 Lost communication with ECM/ PCM. Chevy and GMC Duramax Diesel Forum8M posts 210. P0700 is the TCM requesting a MIL (Malfunction Indicator Light aka: "check engine").
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So I cleared codes and it went into R but it only stayed. In the case of the P0700, it is a general code. Tech Notes. A new calibration has been released to address P0401 on light and medium duty vehicles equipped with the 6. The P0700 code is a generic Diagnostic Trouble Code (DTC) used in OBDII systems to indicate a problem with the transmission control system. 5400 posts · Joined 2012 Speed sensor on the tail housing of the transfer case is a p0500 Pull it out and check the tone wheel through the hole, see if it is loose, if it is good then check wiring on the sensor itself, if wiring is all good and checks out then probably need a new sensor. CEL with codes p0700 and p0732 again. Should have another code stored in it. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! This morning while driving to work, the engine light comes on. Jump to Latest Follow. i tried wiggling the harnesses agian and nothin. A faulty … One of the most common problems with the Chevy Silverado is when it throws the P0700 trouble code. Converter, Merchant Auto Pump Rub Fix, Transbrace, Air. Some scan tools also give a Transmission Control System (MIL Reques. Also; Your signature has had adjustments. Greetings! '06 CC SB 4x4 LBZ. Hello all, just recently drove a 2,000 mile round trip with no issues5 LLY) The second day back in jersey temps dropped and my truck was cold for the first time in a week or two. Could … What does the code P0700 mean? It is often seen with shift solenoid issues or other transmission codes. Hi all, I live in central Texas close to Austin. you have to search for codes further than what the scan tool will pull. 5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ. Same P0700 code as before, clear it and I'm driving again, get on it again, stuck in 4th. the appliance repairmen It caused the shifting into neutral, P0700 code, limp mode, and wouldn't shift out of third gear. Nov 24, 2021 · 3456 posts · Joined 2020 P0700 is just a generic code to illuminate the DIC. There was also a noise under the steering wheel that sounded like two keys hitting eachother. Chevy / GMC Duramax 01-04 01-04. Code: U2104 Description: Controller Area Network (CAN) Bus Reset Counter Overrun. Oct 11, 2014 · Conditions for Clearing the DTC DTC P0706 is a Type B DTC. Its also acting like the NSBU switch is messed again. I replaced the glow plug module and now I'm getting u0073,u0101,u0106 and p0700. Cheap code readers DO NOT READ trans codes. P0700 just commands the CEL to light up, signaling the need to read the codes. Among the popular choices is VS Code, a lightweight and powerful code editor developed by Micro. 2001 Chevy Silverado 2500hd CCSB 300k DD. •An intermittent open or short to ground may cause this DTC. The P0701 fault code refers to a problem with the transmission control system's performance. ups fees P0777 & P0700 | Chevy and GMC Duramax Diesel Forum. When the P0700 code is stored in a vehicle's engine control module (ECM), it is an indication of a problem with the transmission control system. Dirtymax001. The C solenoid is above the larger A&B trim solenoids. I have a slipping transmission and about to do the front transfer case upgrade. The C solenoid is above the larger A&B trim solenoids. The TCM then compares this calculated slip value to a preset value in the TCM calibration. 07 GMC Sierra Classic (LBZ) Duramax Dually Crewcab 4X4, FASS Titanium 95, Ohio Diesel Parts Tank Sump, bypass engine oil filter, synthetic. 07 GMC Sierra Classic (LBZ) Duramax Dually Crewcab 4X4, FASS Titanium 95, Ohio Diesel Parts Tank Sump, bypass engine oil filter, synthetic. The engine still revs but the transmission is not engaged. After work I went for a drive and the light went out by its self. Same code, clear code, get on highway and baby it and clean out the DPF successfully. From what i've read it could be restricted flow, solenoid B, loose wires, etc. The P0700 code sets-- it is like-- "Hey, You have a trans problem". i had two codes pop up several days after doing nsbu and the harness to it. it was a buddies of. mandalorian pumpkin carving This code is not specific to any particular issue but rather points to a general fault in the system. Diagnosis: It is important to complete the entire diagnostic process when diagnosing the P0700 code. fluid looks good and I have not been pulling or driving hard. The pressure switch is the "Tin" looking part that is. Replaced the E shift valve, its still stuck in shift inhibit. P0777 & P0700 | Chevy and GMC Duramax Diesel Forum. With so many options available, it can be difficult to know which one is the best for you. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Show Less. Full Forum Listing. Oct 15, 2017 · Sorry new here so bare with me. The P0500 code just turns on the Check Light- there are usually other codes. Example: P0700 Duramax Lots of reading on each one. Each term has its own use; deciphering them can be difficult at first, but with this easy-to-f. Second and Fourth, Fifth worked, so clutch packs OK. It typically means that there are additional specific transmission-related trouble codes stored in the Transmission Control Module (TCM) that need to be retrieved to diagnose the issue further Chevy / GMC Duramax 11-16 LML Forums. Think about it like this. After driving the truck through high snow one night the next day it went bizerk.
Get the most recent info and news about Let's Start Coding on HackerNoon, where 10k+ technologists publish stories for 4M+ monthly readers. Jump to Latest Follow 4K views 9 replies 6 participants last post by wyowolf May 8, 2018 S s. A p0700 means that there is a code stored in the trans control module that you will have to read 01 sunset orange ext. Now all I have is the 106 and 700 code. Jan 9, 2022 · Hey all, I've got a 2003 LB7 Duramax with 240,000 miles and a Bully Dog tuner throwing p0700 and u2106. P0700, p0751, p0756, p0761. Went to pass a vehicle and after I got past she went into limp mode and cel came on. trail wagon 390cc parts Chevy / GMC Duramax 06-07 LBZ & LLY Forums. I read that it could be a bad TCM or glow plug control module. Converter, Merchant Auto Pump Rub Fix, Transbrace, Air. P163D P0700 P2534 And service 4wd. Still had the shift inhibit with code P0872 & P0700. Same code, clear code, get on highway and baby it and clean out the DPF successfully. caravan holiday park for sale Are you a fan of Dixxon flannel shirts? If so, you’ll be happy to know that there are ways to save big on your purchases. The code is P0700 (TCM) requested MIL Illumination. Many code readers will only read the P0700, so you need a code reader that will read the sub-codes. The truck is using excessive fuel and has low power. I have spent a lot of my own money on this problem to not find a fix. Jan 2, 2011 U0100 code. Bought this truck wrecked (bent in at drivers side rocker 1/2 foot) a few months back and I noticed the Reduced Power light on and the P2671 code (Actuator Supply Voltage 2 High) on the MIL. Gave me only the p0700 code. roblox nerf guns The technician should check for all codes present to accurately diagnose the problem. I know the p0700 is a MIL request from the TCM and the u2106 is lost communication with the TCM but I don't want to sink money into a new TCM if there's a cheaper fix. The truck sat for that time and the wife did start it every few weeks. Nov 7, 2016 · Torque Converter Chatter Debris blockage in the valve body. 18259 posts · Joined 2008 The P0700 code just turns on the fault light-- like "Hey, you have a trans problem". This morning it was fairly cold outside so I started it up and let it warm up a bit. Test Description The numbers below refer to the step numbers on the diagnostic tableThis step tests 5 volt referenceThis step tests the TFT sensor and internal wiring harnessThis step tests the resistance of the TFT sensor.
If it locked in 3rd gear you were in a trans limp. The transmission may slip or hesitate when shifting gears, and in some cases, the vehicle may not move at all. When I initially went to look at the truck, the MIL was lit. Cheap code readers do not read trans codes-! Be aware-- a lot of 2011 trucks had trans control modules [TCM] problems-- AND some of the 2012 trucks also. I will have to go back and look at the scan tool and look at some other menu items then P0700 is telling you that the Transmission Control Module has set a code. Code breakers are people who use logic and intuition in order to uncover secret information. P0700 Duramax Repair Options For The P0700 Code. Have a 2015 Chevrolet 2500HD, 180K, all stock. I pulled the codes and discovered a P0700 code. When the P0700 code is stored in a vehicle's engine control module (ECM), it is an indication of a problem with the transmission control system. Dirtymax001. 5-05 LLY Duramax Powertrain po700 code. i use to have a '95 chevy and i was able to check the codes by putting a jumper wire in the DTC slot on a couple of the leads and the check engine light. It caused the shifting into neutral, P0700 code, limp mode, and wouldn't shift out of third gear. i use to have a '95 chevy and i was able to check the codes by putting a jumper wire in the DTC slot on a couple of the leads and the check engine light. Trans code P1711 and a clunk. Repair Urgency: Fix this code immediately (same day if possible) to avoid internal transmission damage. Trans was rebuilt shortly before I bought it, which probably means nothing. Changed nsbu, no luck. PCWorld’s coupon section is. Might be something to look at. Is this solenoid external, easily replaced? I limped it back to my house and I haven't had time to. P0700 which is just a warning from the TCM to pop the CEL I found out & P0733 with is incorrect 3rd gear ratio. elm grove volkswagen subaru Get ahold of a Tech II and track down what the issue is would probably be your best start. The TCM takes readings from the turbine speed sensor and output speed sensor and determines when the shift should occur. P0751: "Shift solenoid A performance or stuck off" and it's stuck in first gear. 6L extcab it has efi live tuner i run it normal at 100 horse and occasionally put in smoke tune, 4 inch straight pipe, kn cold air intake, chevy upgraded injectors, airdog 100 with 1/2 in lines, 48 gal fuel tank. Truck was showing a lot of codes related to speed sensor being wiped out and the speedometer bounced terrible. 6. I just got the edge evo race and running on level 4. Jump to Latest Follow 3K. Nov 13, 2010 · P0872 is "Pressure sensor C circuit low- according to my info. 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. Best answer. You need a better scanner to access/read them. My current plan is to: Replace spin on filter. Repair … The P0700 code indicates that the transmission control module (TCM) detected a problem with the transmission parameters. The check engine comes on right after and it no longer shifts up. 5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ. I've been through the wiring at the TCM, checked wiring for any exposed copper or abnormalities at the NBSU switch. The problem seems to be intermittent. waiting for traffic to clear, accelerated moderately onto road traveling. P0700 code. Oct 4, 2010 · Im getting codes P0700, U0073, P0101 & P0105. sams clubs The code is P0700 (TCM) requested MIL Illumination. A new calibration has been released to address P0401 on light and medium duty vehicles equipped with the 6. It communicates with the engine control module (ECM) to set the Malfunction Indicator Lamp (MIL) when the fault is detected. kit and everything went fine. Now that i have been home for a couple of days it is doing it again. 5 lml with 87k, first week i thought I had a cp4 failure, no fuel pressure and died while driving, turns out it was just the fuel filter. 6-liter Duramax diesel engine gets an EPA-estimated 15 MPGs in city driving and 20 MPGs on highway driv. The P0700 just means you have a TCM code present. You need a better scanner to access/read them. A lot of other forums acted as if this was the problem. This video explains how to permanently fix the P0700 Transmission Malfunction error code. I have a 2011 that is having issues, it's throwing a p0700 code. The P0700 just means you have a TCM code present. Do this for #2 and #7 injectors. 6-liter Duramax diesel engine gets an EPA-estimated 15 MPGs in city driving and 20 MPGs on highway driv. Code breakers are people who use logic and intuition in order to uncover secret information. As noted-- the P0700 just turns on the fault light-- then there is always another code/s. You need to have the codes read with a scanner that will pull TCM codes. A couple of weeks ago I installed the Transgo Jr. I have an 03 chevy duramax LB7 with the allison tranny. Get the latest on Keeper Security promo codes, coupons, and May sale on PCWorld. Many code readers will only read the P0700, so you need a code reader that will read the sub-codes. P0700 is set when the PCM detects a malfunction in the transmission control system. Tech Notes. Once taken out of 4 low it wont stay in one gear.