Model year

2021 Chevrolet Suburban 1500

SUV, gasoline, 4x2, built in United States. Owner complaints on file from Dec 29, 2021 to Dec 29, 2021.

Recall campaigns covering this model year0No recall campaign lists this model year
Owner complaints1Below the median 2021 suv
Severity index0.02021 suvs average 6.1
First 24 months1Complaints in its first two years
Complaints over time

Complaints about the 2021 Chevrolet Suburban 1500 peaked in 2021, with 1 filed

Owner complaints about this model year, by the year they were filed with NHTSA.

00.250.50.7512021120222023202420252026
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

100% of complaints about the 2021 Chevrolet Suburban 1500 name visibility and wipers

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

Visibility and wipers
1
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

No recall campaign lists the 2021 Chevrolet Suburban 1500

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2021 Chevrolet Suburban 1500

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

1 complaint on file, page 1 of 1.

  1. Filed Dec 29, 2021Failure Dec 27, 202124,000 milesmcallen, TXSun/moon roof assembly

    The contact owns a 2021 Chevrolet Suburban 1500. The contact stated that while driving at approximately 75 MPH, there was a loud explosion coming from the vehicle. The contact noticed that the sunroof had shattered. The contact mentioned that the sunroof was closed and covered and that glass fragments had not entered the cabin of the vehicle. The vehicle was taken to the dealer where the contact was informed that the fracture was caused by a rock striking the sunroof. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 24,000.

    NHTSA complaint 11445394
Source: NHTSA ODI complaints file.
Investigations

1 NHTSA investigation on file

  • PE21010 Preliminary evaluation, Airbags
    Air Bag Malfunction
    Opened Apr 9, 2021, closed Aug 24, 2023
Source: NHTSA ODI investigations file.
Service bulletins

710 manufacturer communications cover this model year

Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.

  • PIT5698F Sep 26, 2026 · Service Bulletin/Repair Instructions
    This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
  • PIP4902W Sep 4, 2026 · Service Bulletin/Repair Instructions
    This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  • PIT5869B Aug 26, 2026 · Service Bulletin/Repair Instructions
    This PI provides a diagnostic tip when fuse F4DR is opening and dealerships are to inspect the wiring at the center console lid.
  • PIC6551C Aug 20, 2026 · Service Bulletin/Repair Instructions
    This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
  • PIT6446A Jul 24, 2026 · Service Bulletin/Repair Instructions
    This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
  • PIT5099J Jul 21, 2026 · Service Bulletin/Repair Instructions
    PI to help diagnose A/C concern
  • PIT5966F Jun 23, 2026 · Service Bulletin/Repair Instructions
    This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
  • PIT6132E Jun 9, 2026 · Service Bulletin/Repair Instructions
    This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal material to correct the noise.
  • PIT6477C Jun 5, 2026 · Service Bulletin/Repair Instructions
    This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated bleed with the scan tool dues to a issue with the software in the scan tool
  • PIC6423A May 11, 2026 · Service Bulletin/Repair Instructions
    Pi created to provide GM dealers with information on gathering information for projection issue
  • PIC6551B May 11, 2026 · Service Bulletin/Repair Instructions
    This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
  • N262552620 May 11, 2026 · Service Campaign
    Certain vehicles may have a condition that could cause the cylinder 2 glow plug to fail. If this failure occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate and a diagnostic trouble code will set. This special coverage covers the c…
  • PIT6507 Apr 20, 2026 · Service Bulletin/Repair Instructions
    This PI communicates information on a SPS programming issue causing Serial Data Authentication Configuration to fail.
  • PIT3271Q Apr 1, 2026 · Service Bulletin/Repair Instructions
    This preliminary information communicates information about how to determine if a wheel and tires size change is available.
  • PIT6347B Mar 26, 2026 · Service Bulletin/Repair Instructions
    This Preliminary information communicates an issue with ABS SES MIL / Service Brake System / Service StabiliTrak / BSCM DTC P0606 P0562 and dealers to perform additional battery and connection testing.
  • PIP6104 Mar 9, 2026 · Service Bulletin/Repair Instructions
    This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
  • PIP4902V Mar 9, 2026 · Service Bulletin/Repair Instructions
    This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  • PIT6425D Mar 2, 2026 · Service Bulletin/Repair Instructions
    This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
  • PIT6415A Feb 19, 2026 · Service Bulletin/Repair Instructions
    PI to explain normal operation for a concern that the outside rearview mirrors may not fold when the doors are locked, due to the personalization settings for Auto Door Unlocking.
  • PIT5985K Jan 27, 2026 · Service Bulletin/Repair Instructions
    This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication issue after an event like a lightning strike, battery jump started backwards, failure over the air update, etc.
  • PIP6098 Jan 14, 2026 · Service Bulletin/Repair Instructions
    This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
  • PIT6425C Jan 16, 2026 · Service Bulletin/Repair Instructions
    This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
  • PIT5993F Jan 15, 2026 · Service Bulletin/Repair Instructions
    This Preliminary information communicates an issue with high resistance in the glass breakage loop that could cause a dead battery or unwanted theft alarm. Dealers are to inspect the glass breakage loop.
  • PIT6344A Jan 15, 2026 · Service Bulletin/Repair Instructions
    This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow.
  • PIP4902U Jan 8, 2026 · Service Bulletin/Repair Instructions
    This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  • PIT5828E Jan 7, 2026 · Service Bulletin/Repair Instructions
    This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the ve…
  • PIT6276B Jan 5, 2026 · Service Bulletin/Repair Instructions
    This Preliminary information communicates an issue with a service keyless entry message caused by aftermarket door handle covers and they should be removed.
  • 25-NA-156 Jun 7, 2025 · Service Bulletin/Repair Instructions
    This service bulletin provides information on Tire Sidewall Irregularities.
  • PIT6132D Nov 26, 2025 · Service Bulletin/Repair Instructions
    This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal material to correct the noise.
  • 00-06-01-026R Jun 5, 2025 · Service Bulletin/Repair Instructions
    This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
  • PIT5214G Nov 20, 2025 · Service Bulletin/Repair Instructions
    This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of Genera…
  • 25-NA-339 Nov 6, 2025 · Service Bulletin/Repair Instructions
    Under Field Actions N252494000, N252494001, the service procedure includes performing a PICO test on vehicle engines within the identified suspect VIN population. If the engine passes the PICO test, the engine oil will be changed from 0W20 to Mobil 1 Superc…
  • PIT6132C Oct 22, 2025 · Service Bulletin/Repair Instructions
    This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal material to correct the noise.
  • PIT6234A Oct 22, 2025 · Service Bulletin/Repair Instructions
    This Preliminary information communicates an issue with an aftermarket device wired into the vehicle and cause the vehicle to turn off when shifted into gear. This PI provides a diagnostic tip to inform dealership to inspect for this aftermarket device.
  • 23-NA-170 May 16, 2025 · Service Bulletin/Repair Instructions
    This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
  • 23-NA-153 May 15, 2025 · Service Bulletin/Repair Instructions
    The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
  • PIT6425B Oct 18, 2025 · Service Bulletin/Repair Instructions
    This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
  • PIC6551A Oct 16, 2025 · Service Bulletin/Repair Instructions
    This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
  • PIT6425A Oct 17, 2025 · Service Bulletin/Repair Instructions
    This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
  • PIT6440 Oct 4, 2025 · Service Bulletin/Repair Instructions
    The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
  • 25-NA-110 Sep 6, 2025 · Service Bulletin/Repair Instructions
    This bulletin advises the techs that the front and or rear shocks need to be replaced as a set and not 1 at a time to avoid the road and ride performance not to be compromised.
  • 22-NA-080 Sep 6, 2025 · Service Bulletin/Repair Instructions
    This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
  • 22-NA-182 May 16, 2025 · Service Bulletin/Repair Instructions
    This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
  • 13598 Sep 9, 2025 · Other
    New Vehicle Monitoring Programs Section in IVH
  • 25-NA-118 May 8, 2025 · Service Bulletin/Repair Instructions
    This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.
  • N252510321-02 Sep 5, 2025 · Service Campaign
    Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center (DIC) warning message if DTC P0016 sets. Dealers will reprogram the Engine Control Module (ECM). Owners who have accepted applicable terms…
  • N252510321-01 Sep 5, 2025 · Service Campaign
    We identified an issue within SPS that prevented the correct software to be loaded to these vehicles. As a result, we have re-opened these VINs. Please perform the ECM update again which will allow the remedy software to be installed. Then, submit a new cla…
  • N252510321-01 Aug 28, 2025 · Service Campaign
    Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center (DIC) warning message if DTC P0016 sets. Dealers will reprogram the Engine Control Module (ECM). Owners who have accepted applicable terms…
  • PIP4902T Aug 14, 2025 · Service Bulletin/Repair Instructions
    This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  • 25-NA-110 May 5, 2025 · Service Bulletin/Repair Instructions
    This bulletin advises the techs that the front and or rear shocks need to be replaced as a set and not 1 at a time to avoid the road and ride performance not to be compromised.
  • PIC5650M Aug 7, 2025 · Service Bulletin/Repair Instructions
    This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B306…
  • PIP5601C Jul 18, 2025 · Service Bulletin/Repair Instructions
    This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
  • PIP5601B Jul 18, 2025 · Service Bulletin/Repair Instructions
    This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
  • 15-NA-010 May 7, 2025 · Service Bulletin/Repair Instructions
    This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
  • PIT5832V Jun 26, 2025 · Service Bulletin/Repair Instructions
    This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  • PIT6398 Jun 12, 2025 · Service Bulletin/Repair Instructions
    This PI involves DTC U3000 SYM49 Set falsely In The Serial Data Gateway Module and dealerships are to reset the module by cycling the battery.
  • PIT6180A Jun 10, 2025 · Service Bulletin/Repair Instructions
    This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
  • PIP4902S Jun 9, 2025 · Service Bulletin/Repair Instructions
    This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  • N252494770-01 Jun 20, 2025 · Service Campaign
    Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owne…
  • N252494770 Jun 17, 2025 · Service Campaign
    Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owne…
Source: NHTSA manufacturer communications files.