U1510 code gmc sierra 2017

Jun 2, 2020 · Labor: 1.0. To diagnose the U1510 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

Have codes P2101 and U1510 when on-star ran diagnostic on my 2017 GMC SIERRA Z71. Check engine light came on a couple days ago then this morning a notification popped up when I started it that said Engine Power Reduced and truck was barely ideling eve shaking due to low ruff idle. I shut it off and restarted it a couple times then the Notification …p0073 code. Jump to Latest Follow. 12014 Views 8 Replies 5 Participants Last post by srxo2 , Jan 2, 2010. srxo2 Discussion starter · Dec 29, 2009. can anyone explain this code to me. I know is a ambiant air temp sensor code already but why and which sensor does it mean. dtc lookup tool on here doesnt bring it up. get it every once in a while.Jun 28, 2023 · Labor: 1.0. To diagnose the C0242 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Dec 31, 2021 · Please subscribe and leave a like! Going to post lots more and better videos !Thank you for watching !here is a diagnosis and repair for an active grill shut... Please subscribe and leave a like! Going to post lots more and better videos !Thank you for watching !here is a diagnosis and repair for an active grill shut...

Jun 2, 2020 · Labor: 1.0. To diagnose the U1510 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.U1510 Code 17 silverado 1500 Custom 5.3L 4wd. I got a U1510 code. From what Im being told its a grill air shutter issue. I was told to first check the fuse. But I cant figure out which fuse is the one. They said it would be a 60 amp fuse but not sure. Any insight from you guys? This is causing a CEL and im trying to pass inspection. fuse 47 ...Have codes P2101 and U1510 when on-star ran diagnostic on my 2017 GMC SIERRA Z71. Check engine light came on a couple days ago then this morning a notification popped up when I started it that said En …Feb 28, 2022 · GMC Sierra 2014 2018 Sierra 2500/3500 2019 Sierra Limited 2019 Sierra 1500 (New Model) Terrain 2018 Yukon Models 2014 Involved Region or Country North America Additional Options (RPO’s) Equipped with SHUTTERS-FRONT GRILLE, ACTIVE, UPR or SHUTTERS-FRONT GRILLE, ACTIVE, UPR AND LWR (RPOs VTI, WMI) · When he mentioned the U1510 code to the presenter, he was answered that the U1510 is usually the shutter assembly. I wonder that our shutter experiences are examples why this is the go to reason for the U1510 code. You picture shows the shutter deformed from the woodchuck paying a visit through the grill.I'm getting an engine and the code came back with U1510. Autozone says Lost comm with sensing diagnostic module fault code. Onstar says generic code engine and trans take to service within 7 days. I cleared the code and it comes back. Everything seems to be functioning perfectly.

Labor: 1.0. To diagnose the B0081 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.If your scan tool can access fault codes and the only one you get from other modules is the U0184, try to access to the radio (Radio). If you can access codes from the Radio, then the U0184 code is either intermittent or a memory code. If unable to access the Radio, then the U0184 code that the other modules are setting is active, and the ...P1682 code means that there’s a problem with the way the car runs. It indicates a problem with the ignition circuit. This problem can be caused by a number of different things, including a bad ignition switch, a bad fuse, a bad wiring harness, or a problem with the ECM. If you get this code, have it inspected as soon as possible by a …Jan 3, 2022 · I have a 2001 gmc 1500 series with 6litre engine @ automatic trans. The problem is it kicks down too vilently when pulling out. It kicks down at 30 or 40 % throtle, very anoying to drive, the dealer a … read more The system voltage is between 9-16 V. U1500 01. When there is a short to voltage in the local interconnect network bus circuit. U1500 02. When there is a short to ground in the local interconnect network bus circuit. U1500 31. The module has detected an internal malfunction. U1511, U1512. The DTC will set when there is an open/high resistance ...

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Oct 2, 2023 · Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. 1 (855) 347-2779 · [email protected]. Read FAQ. GET A QUOTE. P0056 trouble code definition The P0056 trouble code signifies that there is a problem with the heater control circuit in the bank 2 sensor 2 oxygen sensor.Code P2635 GMC Tech Notes. There is a Factory Service Bulletin for the following GMC Models: - 2014-2018 GMC Sierra. - 2015-2018 GMC Yukon. - 2015-2018 GMC Yukon XL. If the Diagnostic Trouble Codes (DTC) P2635, U0074, and/or U18A2 are set, it may be found that the actual fuel pressure (low-pressure system) will be reading substantially higher ...2017 GMC Sierra 1500, U1510 Code and throttle body code at the same time. noticed my temp running lower than normal so I was wondering if the active grille shutters and the throttle code are linked, a …Apr 16, 2022 · 0. 196. The trouble code C0800 is the engine code of the vehicle. It is one kind of chassis problem in cars. If you notice the engine light or the ABS light turns on, you may be confused about the car’s internal system. It is natural to be confused as the light indicates the system’s problems. The engine code C0800 indicates a chassis ...Post Reply. I recently had a U1510 code du to active grille shutter fault on my GMC Sierra 2018. I found a short a between the Lin Bus and the 12 volt at the x132 harness. After remove the shutter I found water ingress in the connector at the motor.0. 01/05/2022 7:14 pm. Topic starter. Scotty, I have a 2018 GMC Sierra 5.3 with a code U1501 with a sub code of LINBUS1. I think it has something to do with active grill shutter. Tried resetting the code, but it keeps coming back.

GMC DTC U1511 00 Make: GMC Code: U1511 00 Definition: Inter-device Dedicated Bus Lost Communication With Device 1 Description: The system voltage is between 9-16 V. Cause: U1500 01; When there is a short to voltage in the local interconnect network bus circuit. U1500 02;Code P059F Chevrolet Tech Notes. The aero shutters on some 2019-2021 Silverado 1500, Tahoe, Suburban, Sierra 1500, Yukon, Escalade; 2020-2021 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD models may have several conditions that could potentially cause improper shutter operation. Several DTCs may be set, depending on the specific …2017 GMC Sierra 1500 giving U1510 and U1501 code at the same time. has engine reduced power sometimes, ... I have a 2017 GMC, Sierra 1500, it feels like it is missing (jerking) and the rpm gage jumps up and down when on cruise control or at a steady speed. The check engine light doesn't come on.Jul 17, 2018 · Joined: Dec 2015. 1 07-17-2018, 05:21 AM. Hey guys, i got a 17 Silverado with 6.2L Gas V8. ECM keeps throwing U1510-00 Lost communication with device on LIN bus. I've checked everything on this damn truck with no luck. I looked over the wiring diagram and the ECM doesn't even have LIN bus connection. I've already replaced the ECM with a new one ... Code u1510. Dont know hjow. 2017 GMC sierra slt. Nothing yet. Thats it - Answered by a verified GMC Mechanic What does this mean? What are the Possible Causes of the DTC U1510 GMC? NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module HVAC Control Module harness is open or shortedTo diagnose the P059F GMC code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.GMC Sierra 2014 - 2018 All All 4.3L LV3 5.3L L83 6.2L L86 All GMC Yukon 2015 - 2018 All All 5.3L L83 6.2L L86 All GMC Yukon XL 2015 - 2018 All All 5.3L L83 6.2L L86 All Involved Region or Country: North America Additional RPO/s: L83 L86 LV3 Condition: SES Lamp illuminated, DTCs P2635, U0074 and/or U18A2 set Labor: 1.0. The cost to diagnose the U1501 GMC code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour. Search for U1501 GMC Questions and Answers: Search here →. Sep 26, 2019 · silverado002 · #13 · Nov 8, 2019. Ray, rbt the shutter assy is in GM parts on line part number 84363184. $221.13. The motor must be a part of the assy as it is not listed seperately. 2002 Silverado LS Ext cab long bed 5.3L 4x4 Z71.

Apr 15, 2021 · 2018 GMC SIerra 1500 51K, engine light on, codes reading U1501 & U1510 At first when light appeared a message of engine power reduced - buddy ran the code and came and cleaned throttle body and that cleared, But still have the U codes.

I have the P0711 code on my 17 Sierra 1500, the trans temps control is out. I took it to the GM dealership and they are - Answered by a verified GM Mechanic. ... Just bought a 2017 GMC Sierra with an 8 speed 5.3 and am having shifting issues from 1st to 2nd and 2nd to 1st, sometimes in higher gears as well. ...Jul 14, 2021 · 1 1 - 15 of 15 Posts thegawd · #2 · Jul 14, 2021 what does this motor do? i have old trucks..... fill me in... what's an active grill shutter? My boys rc cars look like they are built far superior to this.... I wouldnt put my money on dielectric grease doing the job.... it protects an electrical connection. Have codes P2101 and U1510 when on-star ran diagnostic on my 2017 GMC SIERRA Z71. Check engine light came on a couple days ago then this morning a notification popped up when I started it that said En …P0446The Diagnostic Trouble Code (DTC) engine control module detects a fault that prevents it from performing a traction control function and sends a serial data message to the electronic brake control module indicating that torque reduction is not allowed. C0242 Code - Engine Control Module Indicated Traction Control Malfunction.Jan 14, 2021 · 2,405 satisfied customers. 2017 GMC Sierra 1500 5.3L 4x4. 222500. As scheduled. Service. service 4th display and was going down the road and it displayed to shift into 4A d low it had to be in neutral and under 3 mph. I hadn't even touched … read more. Apr 7, 2023 · 2017 GMC Sierra 1500, U1510 Code and throttle body code at the same time. noticed my temp running lower than normal so I was wondering if the active grille shutters and the throttle code are linked, a … read more

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Jun 2, 2020 · Labor: 1.0. To diagnose the U1510 Cadillac code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.The system voltage is between 9-16 V. U1500 01. When there is a short to voltage in the local interconnect network bus circuit. U1500 02. When there is a short to ground in the local interconnect network bus circuit. U1500 31. The module has detected an internal malfunction. U1511, U1512. The DTC will set when there is an open/high resistance ...silverado002 · #13 · Nov 8, 2019. Ray, rbt the shutter assy is in GM parts on line part number 84363184. $221.13. The motor must be a part of the assy as it is not listed seperately. 2002 Silverado LS Ext cab long bed 5.3L 4x4 Z71.U1347 U1348 U1349 U1501 U1502 U1503 U1510 U1511 U01B0 U18B4 U18D5 U2413 Determine if fuse F46UA only is affected; confirm K68 Trailer Lamp Control Module functionality using # 20–NA-198; Trailer Running Lights shut Off Due to Excessive Load on the Running Lamp Circuit— (April 7, 2021), # PIT5747A; Diagnostic Tip— Trailer Replace it if you know/still have life on the starter. Otherwise you’ll end up like me, starter completely died while I was at work, had to tow it to a dealer and pay them to fix. Cost $900 for them to do. I could’ve done it myself for $250. misteelhauler • 1 yr. ago. Having the same problem with my 2017.Feb 12, 2020 · A master control module is the one that reports the non communication code. A loss of serial data communications DTC does not represent a failure of the master control module that set it. 12 Feb, 2020. By nondaobd2codes. Code U1510 stands for Lost Communication With HVAC Control Module.Sep 6, 2019 · General Motors LLC (GM) is recalling certain 2015-2017 Cadillac Escalade, 2014-2018 Chevrolet Silverado, GMC Sierra, 2015-2018 Chevrolet Suburban, Tahoe, GMC Yukon vehicles. · Quick Navigation GM V8 Tuning - Engine, Gas (Gen 5) Top. So threw some research I've found removing the active shutters inst as simple as it may seem. You have to keep the stepper motor and build a small bracket to keep it within limits effectively a hard stop. Then disable code P059F in diagnostics. If you don't keep the stepper motor …What are the U1510 & U1501?? 2017 Sierra trowing the U1510 and U1501, when I delete them I feel the idle bumps a couple Rpm?s. Quick Navigation GM V8 Tuning - Engine, Gas (Gen 5) Top.Labor: 1.0. The cost to diagnose the U1510 Buick code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto …GMC trucks vary in weight depending on the model, size and parts used in the vehicle. For instance, the Sierra 1500 Denali with a short box truck bed and standard engine weighs 5,042 pounds, but the Sierra 2500HD with a long box bed and mor... ….

2017 GMC Sierra 4WD 5.3 L83 Code U1501 How to diagnose this? Power and Grounds to ABS ok. Home. About ScannerDanner ... Code 1501. Gone for now. Now U1510 is set.Jun 2, 2020 · Labor: 1.0. To diagnose the U1510 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Today a customer dropped off his 2005 Chevy Silverado 5.3L pickup complaining of a rough running condition, black smoke coming from the tailpipe and a check ...GMC Sierra 2014 - 2018 All All 4.3L LV3 5.3L L83 6.2L L86 All GMC Yukon 2015 - 2018 All All 5.3L L83 6.2L L86 All GMC Yukon XL 2015 - 2018 All All 5.3L L83 6.2L L86 All Involved Region or Country: North America Additional RPO/s: L83 L86 LV3 Condition: SES Lamp illuminated, DTCs P2635, U0074 and/or U18A2 set How d I get rid of a engine code, U1510 lost communication to hvac control module on a 2017 Chevy Silverado 1500? I recently brought my truck into a shop and they literally couldn’t find the issue as of why the code is there, however the only thing they did find was I have very low voltage throughout my vehicleApr 1, 2022 · 2017 GMC Sierra 1500 giving U1510 and U1501 code at the same time. has engine reduced power sometimes, I had a throttle body P2101 code but has since cleared … read more Greg Oct 11, 2023 · Active aero shutters are occasionally assigned RPO code VTI. They are present on the following models, either as lower only, upper only, or both in the upper and lower grilles: Chevrolet. 2014 ...Again, $7E8 & $7E9 are not engine codes. A basic OBD2 scan tool offers a few different modes (from 1 to 10) to perform particular tasks on your cars. In this case, $7 represents mode 7, which basically means diagnostic code request. E8 (or E9) indicates that you request fault codes from module E8 (or E9). In conclusion: What you have to do when ...Apr 16, 2022 · 0. 196. The trouble code C0800 is the engine code of the vehicle. It is one kind of chassis problem in cars. If you notice the engine light or the ABS light turns on, you may be confused about the car’s internal system. It is natural to be confused as the light indicates the system’s problems. The engine code C0800 indicates a chassis ... U1510 code gmc sierra 2017, 2014 ATS 3.6 RWD premium, 2016 Corvette Z06, 2018 GMC 2500HD Sierra Denali diesel, 2021 Camaro 3.6 RS. Reply. Save. Like. 1. 14ATS4lubbocktx Discussion starter ... ATS CODE 1510 LINK U1510 CADILLAC code possible causes Faulty Heating, Ventilation, and Air Conditioning (HVAC) ..., Apr 16, 2021 · good morning -- when a code starts with a "u" it means loss of communication--this code pertains to the HVAC. U1510 GMC - Lost Communication With HVAC Control Module. U1510 GMC Possible Causes. What does this mean? Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module; HVAC Control Module harness is open or shorted , Code : U1510. Marque : GMC. Description : U1510 GMC Lost Communication With HVAC Control Module. Possible causes : – Faulty HVAC Control Module. – HVAC Control Module harness is open or shorted. – HVAC Control Module circuit poor electrical connection. Solutions : – Carry out a Reset via CarDiag., Labor: 1.0. The cost to diagnose the P2535 GMC code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto …, GMC. 2018 – present Terrain; 2017 – present Acadia; 2015 – present Yukon; 2015 – present Yukon XL; 2015 – present Canyon; 2017 – present Sierra 1500; 2020 – present Sierra 2500HD ..., Bulletin No.: 18-NA-069 March, 2020 Page 3 4233269 3. Remove the Turbocharger Air Pressure sensor (3). Refer to Turbocharger Air Pressure Sensor Replacement in SI. 4910683 Important: Due to the sensitivity of the sensor,Do Not use any chemical cleaners including water andDo Not use compressed air to remove contaminates., GMC vehicles are produced by General Motors. GMC specializes in sport utility vehicles, trucks and vans. If your GMC vehicle sets off a fault code, also known as a check-engine code, resetting the code after the repair has been made is a si..., GMC Terrain 2018 2020 1.5L (RPO LYX) Involved Region or Country North America, China, Thailand, Middle East, Israel, Europe, Brazil, Chile, Colombia, Peru, South Africa ... (Code E), use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information., Jul 13, 2019 · Have codes P2101 and U1510 when on-star ran diagnostic on my 2017 GMC SIERRA Z71. Check engine light came on a couple days ago then this morning a notification popped up when I started it that said Engine Power Reduced and truck was barely ideling eve shaking due to low ruff idle. I shut it off and restarted it a couple times then the ... , Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. 1 (855) 347-2779 · [email protected]. Read FAQ. GET A QUOTE. P0057 trouble code definition P0057 is a code that sets when the powertrain control module senses that the voltage is low on the bank 2 sensor 2 oxygen …, Labor: 1.0. The cost to diagnose the P2535 GMC code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour., 2,405 satisfied customers. 2017 GMC Sierra 1500 5.3L 4x4. 222500. As scheduled. Service. service 4th display and was going down the road and it displayed to shift into 4A d low it had to be in neutral and under 3 mph. I hadn't even touched … read more., Bulletin No.: 18-NA-069 March, 2020 Page 3 4233269 3. Remove the Turbocharger Air Pressure sensor (3). Refer to Turbocharger Air Pressure Sensor Replacement in SI. 4910683 Important: Due to the sensitivity of the sensor,Do Not use any chemical cleaners including water andDo Not use compressed air to remove contaminates., GMC Acadia; GMC Sierra 1500 / 2500HD / 3500HD; With The Following Infotainment System RPO Codes. IOS; IOT; IOU; TSB #20-NA-199 Details The Following Software Update. An over the air update has been released to implement continuous software improvements the GM team has made to various vehicle systems. Those …, 1/4/2021 Active Grille Air Shutter 1 Malfunction • 2017 GMC Truck Sierra - 4WD • MotoLogic , Have codes P2101 and U1510 when on-star ran diagnostic on my 2017 GMC SIERRA Z71. Check engine light came on a couple days ago then this morning a notification popped up when I started it that said En …, 3. Unplug Coolant Temperature Sensor. Another way to determine if the coolant temperature sensor is the problem is to disconnect the sensor. In most car models, the radiator fan should start when the coolant temp …, If you’re in the market for a new pickup truck, you may be considering the 2020 GMC Sierra 1500. The 2020 Sierra 1500 comes with some noteworthy improvements over the previous year, and it has its share of strengths. As with any car, howeve..., Sep 25, 2022 · 2017 GMC Sierra 1500, U1510 Code and throttle body code at the same time. noticed my temp running lower than normal so I was wondering if the active grille shutters and the throttle code are linked, a … read more , Feb 28, 2022 · GMC Sierra 2017 2018 Sierra 2500HD/ 3500HD 2017 2019 Involved Region or Country United States, Canada, Middle East, Palestine and Israel Condition ... Code” field of the transaction, otherwise the transaction will reject. It is best practice to enter the FINAL code provided by SPS., Labor: 1.0. The cost to diagnose the U1510 Chevrolet code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour. Search for U1510 Chevrolet Questions and Answers: Search ..., 2017 GMC Sierra 1500, U1510 Code and throttle body code at the same time. noticed my temp running lower than normal so I was wondering if the active grille shutters and the throttle code are linked, a ... U1510 code, 2017 silverado 4.3l replaced active grill shutter, still non active, all wiring seems to be in tact, oms out fine. ..., How d I get rid of a engine code, U1510 lost communication to hvac control module on a 2017 Chevy Silverado 1500? I recently brought my truck into a shop and they literally couldn’t find the issue as of why the code is there, however the only thing they did find was I have very low voltage throughout my vehicle, 20% OFF $100 use code: LABORDAY Online, ... 2017 GMC Sierra 1500 - Radiator Shutter Assembly Filter By. 1 - 1 of 1 results for ..., I have the P0711 code on my 17 Sierra 1500, the trans temps control is out. I took it to the GM dealership and they are - Answered by a verified GM Mechanic. ... Just bought a 2017 GMC Sierra with an 8 speed 5.3 and am having shifting issues from 1st to 2nd and 2nd to 1st, sometimes in higher gears as well. ..., 2017 GMC Sierra 1500, U1510 Code and throttle body code at the same time. noticed my temp running lower than normal so I was wondering if the active grille shutters and the throttle code are linked, a … read more, Its a 2017 gmc sierra. Park sierra - Answered by a verified GMC Mechanic. ... Have codes P2101 and U1510 when on-star ran diagnostic on my 2017 GMC SIERRA Z71. Check engine light came on a couple days ago then this morning a notification popped up when I …, 1,202 satisfied customers. 2017 GMC Sierra 1500 giving U1510 and U1501 code at the same. 2017 GMC Sierra 1500 giving U1510 and U1501 code at the same time. has engine reduced power sometimes, I had a throttle body P2101 code … read more., When he mentioned the U1510 code to the presenter, he was answered that the U1510 is usually the shutter assembly. I wonder that our shutter experiences are examples why this is the go to reason for the U1510 code. You picture shows the shutter deformed from the woodchuck paying a visit through the grill., If you’re in the market for a new pickup truck, you may be considering the 2020 GMC Sierra 1500. The 2020 Sierra 1500 comes with some noteworthy improvements over the previous year, and it has its share of strengths. As with any car, howeve..., 0. 01/05/2022 7:14 pm. Topic starter. Scotty, I have a 2018 GMC Sierra 5.3 with a code U1501 with a sub code of LINBUS1. I think it has something to do with active grill shutter. Tried resetting the code, but it keeps coming back., Code U1510 -2018 Sierra-Active Shutters Replacement Carlos The Master of Trades 489 subscribers Share 7.1K views 6 months ago Removal of grill and replacement of active shutters on 2018 GMC..., JOHN aka Eauto. self employed. High School or GED. 25,477 satisfied customers. U1510 code, 2017 silverado 4.3l replaced active grill. U1510 code, 2017 silverado 4.3l replaced active grill shutter, still non active, all wiring seems to be in tact, oms out fine. Try commanding with … read more.