z71 rpo code. What does z71 Mean on Chevy trucks?. Did it receive a paint job a couple of Though some RPO codes were used every year, others were repurposed as some equipment was either phased out or else became a standard feature. Z71 = Z71 High Stance Off-Road Suspension Package. 20K miles, I bought it at a chrysler dealer so. The codes not in there are likely part of the packages. automaker General Motors uses for its off-road suspension package. How to tell if a Silverado has the Z71. RPO codes? Jump to Latest Follow 1 - 4 of 4 Posts and theres a z71, and a z82 code in there. Option Code Description 5KX LPO, Stingray Exterior Appearance Package Coupe 5V6 LPO, Stingray Logo Package 5WH LPO, Front bumper molding 5YN LPO, Chrome interior trim badge with Stingray logo. A Regular Production Option (RPO) Code of "AVF" in the upper glove compartment distinguishes early-build 2015 models from their 2015. These codes are a combination of . Use the GM RPO codes on the label in your glovebox or on drivers door to determine axle ratios and more. Later, the same package was adopted on the Chevrolet Blazers and also the two-door Chevrolet Tahoe. I just decoded my RPO code and there was a lot of them that came back "not found". So the only way you can tell is by checking the glove box. 3L EcoTec3 V8 engine or (LM2) Duramax 3. 2014 - 2019 Silverado & Sierra. I was checking my RPO codes on my new truck and did not see the Z71 code, but the truck has Z71 stickers on it. During earlier GM production years some of these codes were added to the Cowl Tag as a replacement of the previous Accessory (or ACC) Codes which were a single alpha character. B71 Wheel flares B84 Moldings, bodyside BKE Regular production accessory, Floormats BVE Regular production accessory, Running boards (SPO-supplied Re: Full list of Colorado RPO Codes. GM RPO Codes, or General Motors “Regular Production Option” codes contain lots of valuable information about your GM vehicle. 00L : SECONDARY COLOR, EXTERIOR, PRIME. RPO Z71 Off Road Suspension components, recovery hooks, . Z71: Conventional monotube shocks that can be replaced with aftermarket monotube units. RPO CODES 1973 - 1987 (Regular Production Option) BY NO MEANS IS THIS LIST EVEN CLOSE TO COMPLETE! AO1 - Softray Tinted Glass. WHERE IS THE RPO CODE ON NEW GM TRUCKS? HOW DO I FIND THE RPO CODES ON NEW GM TRUCKS? Today I show you how to find your RPO "Regular . Also removes the USB port and auxiliary power outlet when (AZ3) bench seat is ordered. RPO Codes: Distribution Updates 2WD / 4WD Z71 Crew Cab Short Box (12P43) 4WD Z71 Crew Cab Long Box (12V43) 4WD ZR2 Extended Cab ( 12P53). Work Truck LS 1WT1 1LS1 A68 Seat, rear 60/40 folding bench (folds up), 3-passenger, (includes child seat top tether. Here is how to read the RPO vehicle option codes in a GMC or Chevrolet General Motors truck. The sticker has several 3 digit codes which let the dealer know which options the vehicle is equipped with. Onyx Black 2015 Chevrolet 2500HD DCSB, 6. General Motors GM RPO Codes: Letter Z, Number 1. If you purchased the truck used or can't find the code, proceed to Step 2 for another form of testing. Description of RPO (vehicle configuration options) code G80. Inside the glove box, look at the RPO codes, and you will find z71 written. "Z71" is a RPO code that signifies an off road package. Most of the time, they are for an RPO code for the suspension. For the 96-06 Silverado's, the factory limited slip differential will have a code of G80. Replacement REF# 515109 15170661 25832143 25832143 8-25832-143-0 8258321430 HA590053. I found RPO codes for just about everything except the following: FF0. Scan that code with your smart phone and any free QR reader you will have a list of all the RPO codes for your truck! It's 2020 guys we are beyond glove boxes!. The following table provides the description of the Regular Production Option (RPO) codes that are available on the vehicle. RPO Codes AC1: Adjuster, passenger seat, power, 6 way, bucket AJ1: Window tinted, deep, all except windshield and drs AJ7: Restraint system front seat, inflatable, driver and passenger, front and side AL0: Sensor indicator inflatable restraint front passenger, child presence detector AP9: Net, convenience AS3: Seat, rear row, suburban. Front Wheel Bearing&Hub for 04. Does the Z71 package lift the truck? – Idsemergencymanagement. 9F 0C 1B 9F 1D C3 D8 df E6 9A 5D 69 44 99 0B D1 eb C5 bc D5 cb 76 C6 59 E7 ad 61 B2 be 6B 77 4E 56 C6 22 6A 58 26 78 ee ab 71. Z71, ZR2, L87- these are all RPO codes used to signify features and options you can get on their . Make sure this fits by entering your model number. AG1--ADJUSTER FRT ST POWER, MULTI-DIRECTIONAL, DRIVER. Z71 Off-Road and Suspension Enhancements. When looking at the suspension RPO codes for the GM SUVs like the Escalade, Tahoe, Yukon and Avalanche, there are a few to look out for. From buying research to owner support. All assembly plants have a plant code on the SPID. B1 39 DC E0 23 F2 db 51 0E C1 1B C1 B2 27 ff 07 DC 6E A7 F7 df 8C CD F7 71 D3 9F F7 1E 8C. nz/folder/TF9GSaKD#FfyYbsOarUtfyXmr2f8YWA virtualtori https://mega. Codes listed in the shaded column titled Ref. They didn't start tossin on those decals till like 92-93 I believe, so theres tons of z71 packaged trucks runnin around that you wouldn't realize. RPO, FY, LY, DIVISIONAL RPO DESCRIPTION Z71, 84, 88, OFF ROAD CHASSIS PKG. This is the place to share your Tahoe, Suburban, or Yukon! Trailblazers/Blazers/Jimmy's are . Looking underneath, the tags for the front and rear coils were still attached and I was able to get the part numbers. What does the Z stand for in z71? Most of the time, they are for an RPO code for the suspension. 2013 C6 Corvette RPO Codes, Options Codes & Order Guide. Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled “Service Parts Identification” inside the drivers door panel or glove box. The History of Chevrolet's Z71: From Option Package to Off. Description of RPO (vehicle configuration options) code Z71. alot of used car lots like to put these stickers on to help them sell. Down load and keep for a reference Search under Archive. Only RPO Base Work Truck LT Z71 ZR2 2SA1 2WT2 4WT2 2LT3 4LT3 2Z74 4Z74 4ZR5 AY0 Air bags, dual-stage. Z71, ZR2, L87- these are all RPO codes used to signify features and options you can get on their various models. rpo and fix these annoying RPO error messages. Shindo Life private servers are useful for players that want to grind on a less crowded server or those Without further ado let's get down to the complete list of Shindo Life private server codes for each location in the game then!. The only true way to check is look in the glove box at the RPO codes and look for "Z71" _____2013 4C Rated_____ Save Share. Cannot access high 4 wheel drive at all. Generally, RPO errors are caused by missing or corrupt files. We have included an easy to use search feature too if you are looking for a specific code just type it into the search field to navigate to it. Mar 3, 2021 - Regular Production Option Codes, aka RPO codes, have been used by General Motors since 1970. The RPO code should be listed inside the glove box. rpo sürümleri indirilemeyebilir ancak aşağıdaki "İstek" butonuna tıklayarak bir dosya talep. Like British, Irish, and Dutch postcodes, Canada's postal codes are alphanumeric. Fits 6 LUG Wheel, studs already installed. For a breakdown of all the trim codes, and possible colors of leather for 00-02 Chevy/GMC vehicles, please click . Z71 gets you an offroading suspension. Decipher the factory codes and get the right parts!. model name: Camaro Z28, Silverado Z71, Corvette Z06, Corvette ZR1. If there is a code that is mising please E-mail me and i'll add it ASAP. AXLE,REAR,POSITRACTION,LIMITED SLIP. Codes indicate the problem is the new part. 3) on all Buick, Cadillac, Chevrolet and GMC models. The ones I'm aware of so far are: KNP, UY7, VR4, Z71, Z82, Z85 and then G80 and F44, but I'm not certain weather those are OBS or NBS or both. In this post, you will find the complete Shindo Life private servers code list. Check your RPO codes in the glove box to see if you are Z85 or Z71. The new QR code includes the Vehicle Identification Number (VIN), RPO codes and other . Quick Answer: What Is The Z71 Package On A Chevy Truck. What Is Included in a Chevrolet Z71 Package?. You probably already know a few off-hand. I'm trying to gather information about the 2019 GMC Canyon SLT I recently purchased. Enter the codes from your vehicle in the free decoder below to see what those cryptic codes mean. Well 1st offthe Z71 and Z82 are RPO codes,which stands for Regular Production Options,in short what your truck came with from the Factorythe Z71 is a Off-Road Package and the Z82 is the Factory Tow Packageyou mentioned that you have a 5. F/D, dual U66 : speaker system, 4, dual frt dash mtd, dual extd rge U67 : speaker system, 8, dual f/D 2 tweet, two woof, dual U68 : display, driver info center U69 : radio, am/fm, mtr U71 : antenna. "Z71" is the RPO code for a special off-road package on select GM/Chevrolet trucks & SUVs. com has the most complete list of RPO codes I've seen. The word "Z71" may be the RPO code granted to some special off-road package offered by General Motors to buyers. This particular option is most famously associated with vehicles out of GM's Chevrolet division. (Last used: 19 hours ago) RPO Codes - Chevrolet Truck Silverado 1500: Option Code In some cases, the RPO has become so identifiable to a specific vehicle that the code has become a part of the vehicle's model name: Camaro Z28, Silverado Z71. list of rpo codes/option codes for chevy pontiac oldsmobile. They are in the format A1A 1A1, where A is a letter, and 1 is a digit, with a space departing the third. Stealth Gray Metallic (looks blue), 3. Below is a complete list of the General Motors Regular Production Option(RPO) Codes. I was only curious as to why my truck didn't say Z71 4x4 like other trucks i've seen, some people have already mistaken my truck to be 2wd. Discussion Starter · #1 · Nov 2, 2021. Seats, Driver and passenger front individual seatsDriver and passenger front individual seats derived from a 40-20-40 split bench seat with the 20% section removed. My TH350C transmission RPO code is listed as "MX1 : MERCHANDISED, TRANS, AUTO PROVISIONS" in this list can someone explain what they mean by merchandised? 1985 chevy C10 1/2 ton lwb p/u V8 5. The RPO Codes can be found on a placard labeled “Service Parts RPO code is a combination of three alphanumeric characters (like Z71) . BTW, GM started the z71 RPO code back in the 70s. In your glove box is a silver sticker with numerous alpha-numeric codes on it. Only RPO Code Description 1 - Available on C*15*43 models. 3 liter,I'm guessing you have a 4L60e Trans??. Отслеживание: 1z813rr06745976169. list of modern GM rpo codes/option codes for general motors vehicles. RPO (Regular Production Option) codes contain lots of valuable information about your GM vehicle. Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled 'Service Parts. Silverado & Fullsize Pick-ups - RPO code information - I did a search for a thread on RPO codes but couldn't find anything on them. Conventional: there are numerous RPO codes for different types of conventional suspensions, the most well-known being Z71 and Z66. Then you know without questions. 2003 GMC Sierra 2500 RPO Code NP8 (Push Button Shift, 2 Speed Transfer Case); Fits NVG246 Transfer Case; w/4 Position Selector Switch. RPO Codes are a system that GM uses to identify which parts and options are on any particular vehicle that they manufacture. RPO Codes - Chevrolet Car Corvette. This particular option is most famously associated with vehicles out of GM’s Chevrolet division. Step 1 – Check differential code. For the front, both coils have GM #25876851. GM RPO Codes -- What are they? Where are they? GM places a sticker inside the glove box of its vehicles which list the options on the vehicle. Only able to shift into low 4 wheel drive, then gets stuck in low. “Z71” is a Regular Production Option, or RPO, code that U. Fits LH (Driver) or RH (Passenger) Side FRONT. rpo sorunları, uygulama hatalarını, eksik dosyaları ve olası virüs bulaşmalarını içerir. Here are the "MYSTERY CODES" FF4, FF5, R8T, R9L, R9U, SLL, VXS, . 3K subscribers in the ChevyTahoe community. 3 Private Server Codes for Shindo Life Ember Village. Only RPO Code are for internal use only and should not be ordered. Rpo codes aren't always the same alpha numberic in sequence ie: LS6, LT1, Z28, Z71, FE4, ZR1 so which is it!! My vote has always been Z06 . Note that the exact features vary for each production year, so refer to the RPO code listing in the truck or speak with your local Chevy dealer for specific package information. Discussion Starter · #1 · May 1, 2005. Z28 was the RPO code for the Trans-Am spec Camaro. ; Front Wheel Bearing& Hub for 04-08 Chevy Colorado Z71 RPO Code 2WD Models ONLY 2008 2007 2006 2005 2004 Front Wheel Bearing& Hub for Chevy Colorado Z71 RPO Code 2WD Models ONLY. If you are looking to decode your 2013 Corvette RPO's (option codes), then check out the table below. 0L 305CID VIN=h 4BBL THM350C trans / 2. Now there are a few codes I couldn't find Search LPO. A Z71 off-road package was also available with skid plates and Bilstein shocks. They use instead a marking code typically composed of a combination of 2 or 3 letters or digits. For RPO Codes look in glove box for the letter schemes below to find out what options you have, these are listed in front of the GM Service manual. Z06 was a special suspension for race-type Corvette from the 60’s. Z71 is noted as the Off-Road package, which usually comes on 4x4 vehicles and includes heavier duty gas shocks and the Skid Plate Package. What does Chevys Z71 stand for? Welcome to the Chevy Forums. LPO, Performance Air Intake System. you may have the stickers on it, and may have the RPO code on the dash sticker, but GM didnt sell the SUVs with Z71 stickers until 99 when the special edtion 4dr OBS came out with all the colormatched parts. I was looking up the RPO codes on my truck (98 Ext Cab Z71 6. You cannot get z71 without a suspension package, but you can get a suspenion code without z71) THe z82 is just trailering set up. A Regular Production Option (RPO) is a General Motors standard coding for vehicle configuration options and began in 1970. Maybe SAL was the guy that put the RPO tag on your Elky? :lol: SAL is the GM Mexico vehicle plant code. Canada Zip Code A Canadian postal code is a six-character sequence that forms a portion of a postal address in Canada. Use this video as a way to retrieve those codes!Compliments of Infotainment. The Trail Boss Package for the 2022 Chevy Colorado Z71 (RPO code PEC) adds the following LPO-level, dealer installed equipment to the mid-size pickup In spite of the current unavailability of the all-new package, GM is showcasing a specially prepared 2022 Chevy Colorado Z71 equipped with the. On my 2009 Tahoe 4wd LT, I have the ZW7 RPO code for the Premium Smooth Ride. nz/folder/uR4GHRBb#RPkODV-Bbzb7kdipii52DA amandacerny https://mega. Anyone know the RPO code on a 1994 K1500 Locking Diff? Do all Z71's have rear locking diff? Thanks. There is a QR code on the B pillar inside your truck. Look in the top glove box (the keyed one) for the RPO code sticker. When repairing an unknown electronic board, it becomes so difficult to know what is the exact type of a Click on the dot below that shows the 2 first letters or digits of the code shown on the SMD component. 2 - Equipment group available on 12M43, 12M53 and 12T43 models. Дозволені теги: blockquote, a, pre, code, ul, ol, li, b, i, del. 00) 5G4 Provision for cab roof-mounted lamp (MSRP = $103. rpo errors are related to problems that occur at Windows runtime. Body equipment forward control,union city body. Tahoe LT with Z71 RPO code : r/ChevyTahoe. These suspension codes are interchangeable and standard aftermarket shocks will fit any type of conventional suspension. , Калькулятор Онлайн, Конвертер. Knowing what the z71 package entails, let us now look at the z71 and compare with the regular 4*4 pickup. Attention California Customers:. GVW, Power Brakes, Hydraulically Boosted, 4 Wheel Disc); wo/RPO Code NW7 (Traction Control) Product Details. Full List of 2021 Chevy Silverado 1500 RPO Codes. Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled 'Service Parts Identification' inside the drivers door panel or glove box. Not available with Fleet or Government order types. 2020 Colorado Z71 Crew Cab Long Bed. I'm honestly kind of surprised there isn't a sticky with RPO codes for the different generations of trucks already. AG2--ADJUSTER,SEAT,6-WAY POWER,SPLIT BENCH,PASSENGER. 1 Not available with (Z71) Z71 Off-Road Package, (BG9) rubberized vinyl flooring or (AAK) All-weather Z71 floor liners, LPO. Regular Production Option Codes, aka RPO codes, have been used by General Motors since 1970. How much can a 2004 Chevy 1500 pull?. 2004 Chevrolet Silverado 1500 Z71 All Engines 4WD, Crew Cab Pickup, w/RPO Code JH6 (9,900 Lb. Answer (1 of 7): Z71 is a package that delivers features that make the truck fully capable of handling off-road situations and unique visual features and badging, including a Z71 graphic on the instrument cluster and a special finish on the interior trim pieces. In strictest parlance, the term “Z71” is a regular production ordering(or RPO) code which decodes to “Chassis Package: Offroad”. rpo codes and descriptions code description abp window clear, all, w/s shaded abr window manual operated, frt dr abu restraint head, rr seat, cloth covered, closed section, up/ down adjustment abv window power operated, rr side access drs abv 2011 oem engine physical id abv & production number 12625207 abw window opaque, all except w/s and frt drs. There are extensive rpo lists online for all of it but they aren't specific to your vehicle so some descriptions may just say standard and that can be different between models like Silverado vs Colorado for example. By knowing your RPO codes, you can find out a lot of interesting information about your truck's original equipment. I've done some searching and come up with some of the missing codes. Some helpful suspension information. The RPO vehicle option codes are printed on a sticker in the glo. Z71 Z71 Off-Road Package, includes (Z71) Off-Road suspension, (JHD) Hill Descent Control, (NZZ) skid plates and (K47) high-capacity air filter 1 - Requires Crew Cab or Double Cab 4WD model, (Z82) Trailering Package and AT or MT tires. I drove a z60 (sport suspension) before deciding on the z85 (w/ z71). 5TD / 4L80E Silver, April '07, Sierra 2500 HD CC SB Z71 4x4 LBZ, Not broken in at 61k. How much extra is the Z71 package?. Brake system - power, frt & rr disc, ABS, 15". Complete listing for El Camino RPO Codes and specifications for free. These RPO codes are used to idicate a specific type of differential and/or ring gear size. It's just like "LS1", which is the RPO code for the all aluminum performance engine that came in Corvettes, Camaros, GTO's, etc. 5TD) to see what they were and there are a few I just can't find. The RPO vehicle option codes are printed on a . 2 - Available on Crew Cab and Double Cab models C*15*53 and C*15*43. For the rear, both coils have GM #25978750. ASCII (American Standard Code for Information Interchange). Features include four wheel drive and optional 2 Wheel Drive, all-terrain tires, an automatically locking. Not all applications will have one of these codes but when they apply, they will be listed in addition to an axle code found in the main RPO axle code list below. 2006 RPO- Chevrolet Silverado 1500 Monday, 20 June 2005 Option Code Description **2 Seat trim, leather **C Seat trim, cloth **D Seat trim, Custom Cloth **V Seat trim, vinyl 5B5 Power windows and mirrors (MSRP = $738. The players are looking for the Shindo Life Private Servers Codes to access the servers without complexity. LT models with the High Desert package receive the same LED taillamps as the. Does anyone have a list, or a link to a site with a list of all of the RPO codes for the OBS trucks? I haven't found anything with multiple google searches The ones I'm aware of so far are: KNP, UY7, VR4, Z71, Z82, Z85 and then G80 and F44, but I'm not certain weather those are OBS or NBS or both. This option was used the very first time on the GMT400 trucks which were manufactured between 1987 and 1998. GM didn’t call it Z71, but that’s what the package was. Includes Z71 hard badge, (G80) locking differential and (NQH) 2-speed transfer case. So does that mean its a z71 orrrr? Thanks! 2009 Silverado 1500 LT. well I just bought my first silverado (not my first chevy) traded in my 01 ram for a 2006 crew cab 5. I am in Texas, so only occaisional use for 4 wheel drive, but the z85 w/ z71 package drove the smoothest out of everything I test drove. Private server codes for Shindo Life (Roblox) March 2022 including all locations like Ember, Storm, Haze, ARENA X, Obelisk, etc. GMT 800 & Older GM General Discussion - All rpo codes in one place!! - **2 Seat trim, leather **C Seat PCJ Z71 Convenience Package 1. AG2 -- 6-WAY Passenger seat B35 -- Rear carpet floor mat B39 -- Carpeted floor B71 -- Wheel well moulding B85 -- Body side moulding. Label Certification W/O Rpo Z49 - Incomplete Vehicle - Chevrolet Avalanche 2003 Manual. Roblox Shindo Life Private Server Location Codes List March 2022. 3 - Available on all 4WD models. GM no longer lists their RPO codes on their VIN sticker. 1 LPO, All-weather floor liners, 1st and 2nd rows, (includes Z71 logo on front mats) 1 - Requires Crew Cab or Double Cab model and (Z71. Re: What does the "Z" mean? All of them are RPO codes, and really have zero meaning. I believe the package includes heavy duty shocks, stiffer springs, and 2" blocks in the rear. It was not available on LTZ models with the Z71 off-road package. Learn how to download and replace your correct version of hpfspw71. Am I gonna get screwed by the . Where can I find the RPO codes for my vehicle? Before, they were located on a sticker inside the glove box door. Only RPO Code Description 1 - Equipment group available on 12M53. Fullsize Truck & SUV - 2014-2019 K2XX Platform. Each RPO code is a combination of three alphanumeric characters (like Z71) that refers to a specific option or modification to the vehicle as built during production. vppsgmoptionsactiveonly_1111200 09u 48758 p ccu m primary color exterior, mary kay pearl tricoat (02) 10926 e 4 e a 09u 49389 p ccu m primary color exterior, polar white (02) holden 10327 e 8 e a. Passport Seva Online Portal has been designed to deliver Passport and related services to citizens in a timely, transparent, more accessible, reliable manner and in a comfortable environment through streamlined processes and committed, trained and motivated workforce. Z71 Off-Road and Protection Package, includes (Z71) Off-Road suspension, (JHD) Hill Descent Control, (NZZ) skid plates, (K47) heavy-duty air filter and Z71 hard badge 1 - Requires 4WD model, AT tires and either (L84) 5. RPO Codes - GM Online Order / Reference Guide. It took until 1992 for GM to realize that shoppers were wise to the RPO code, at which time the automaker started slapping Z71 stickers on the rear quarter panels of its full-size Chevy and GMC pickups. I was told that the LTZ's level control auto, air, hd (code G69) is the reason that the Z71 suspension can not be used but I would love . Ornamentation,exterior,wheel opening molding(color)(used with trofeo sport coupe WL3). 01L : SECONDARY COLOR, EXTERIOR, SPECIAL (91) 01U : PRIMARY COLOR, EXTERIOR, SPECIAL, (91). Included in Z71 Off-Road Package Rancho Shocks. Only RPO Code Description 1 - Available on all models. Shindo Life Private Server Codes List. The RPO codes identify the base model of the vehicle along with options such as paint color, engine, infotainment system, wheels, etc. Regular Production Options(RPO)-Codes AAA - equipment standard AC3 - adjuster,front seat, power, 6 way, bucket driver AG1 - 6 way power drivers seat, split bench AG2 - seat adjuster 6 way pwr driver-pass AJ3 - restraint system,front seat. Anyway, thanks for any help as always. com Member Today! In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs. Later, the same package was used about the Chevrolet Blazers and also the two-door Chevrolet Tahoe. GM Regular Production Option (RPO) Master List Use this information to interpret the RPO numbers on the vehicle’s Service Parts Identification (SPID) label. The word “Z71” may be the RPO code granted to some special off-road package provided by General Motors to buyers. Z66 is commonly called the Premium On-Road Package, used for the 2WD. It used to be that anything u saw that had the z71 rpo code was a 4x4, but now GM killed that too. Are all Chevy Z71 pickup trucks 4 wheel drive?. Scan it and look for Z71 or Z85. Well, you can end up buying a truck that has the z71 sticker, when in fact, it’s fake. I looked at my RPO Codes and saw Z71 so i'm not worried that the dealership slapped Z71 decals on it. Each RPO code is a combination of three alphanumeric characters (like Z71) that refers to a specific option or modification to the vehicle as built during . 00U : PRIMARY COLOR, EXTERIOR, PRIME. AJ1--GLASS,DEEP TINT (REAR SIDE WINDOWS AND REAR DOOR WINDOW) AL0--SENSOR INDICATOR INFLATABLE RESTRAINT, FRT PASS/CHILD PRESENCE DETECTOR. RPO codes are typically placed in the glove compartment, which allows you to view the options on your vehicle without ever cracking the hood, or crawling under the car. This method was adopted the very first time about the GMT400 trucks that were manufactured between 1987 and 1998. Many people think 4WD is standard on Z71 packages. 6 Duramax/Allison, LTZ Plus Pack/Z71, Tilt/Telescoping Wheel, Bucket Seats/Console, Dual Alt's, . I was wondering if anyone on here knows what they are? Here are the "MYSTERY CODES" FF4, FF5, R8T, R9L, R9U, SLL, VXS, ZQ3, 1SB, 1SZ, 6GK, and GMC (I think GMC is a plant code for Pontiac MI but I am not sure). Sign up for FREE! 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