NHTSA lists 1 complaints for the 2021 Chevrolet Suburban 1500, 0 of them mention a crash and 0 mention a fire. 0 complaints mention an injury, with 0 injuries and 0 deaths reported.
Data build 2026-10-10.
NHTSA lists this vehicle as CHEVROLET SUBURBAN 1500.
At a glance
Complaints
1
With crash
0
With fire
0
With injury (complaints)
0
Injuries
0
Deaths
0
Recalls
0
Do not drive recalls
0
Park outside recalls
0
Recall potential units (maximum)
Unavailable
Investigations
1
Open investigations
0
Manufacturer communications
711
Complaints per 100k sold unavailable. No sales source is available for this record.
Where the complaints are
Top systems
System
Complaints
Share of this vehicle's complaints
VISIBILITY
1
100.0%
Top subsystems
System
Subsystem
Complaints
VISIBILITY
SUN/MOON ROOF ASSEMBLY
1
One complaint can name several systems, so shares can add to more than 100 percent.
Confidence is the model's own probability for the label it chose (0 to 1), not accuracy.
Model-generated labels on tagged complaints only. Model years 2013 and newer are tagged in full; 2012 in part (see tagged_share); earlier model years have no tags. NHTSA's own flags remain separate in the complaints block.
On April 9, 2021, the Office of Defects Investigations (ODI) opened PE21-010 to investigate instances of air bag malfunction indicator light (MIL) illumination and potential for frontal air bag non-deployment in several vehicles manufactured by General Motors (GM). The vehicles included model year (MY) 2020 through 2021 CT4 and CT5 passenger cars, Sierra and Silverado trucks (1500/2500/3500 models
Systems: AIR BAGS.
Linked campaign numbers: None listed.
Manufacturer communications
711 manufacturer communications.
Communications by system
System
Count
ELECTRICAL SYSTEM
189
ENGINE AND ENGINE COOLING
164
UNKNOWN OR OTHER
137
EQUIPMENT
131
POWER TRAIN
91
ENGINE
66
STRUCTURE
50
WHEELS
34
11038139
Date: 2026-10-05. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
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
11037555
Date: 2026-09-26. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
11037253
Date: 2026-09-04. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
11036702
Date: 2026-08-26. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This PI provides a diagnostic tip when fuse F4DR is opening and dealerships are to inspect the wiring at the center console lid.
11036392
Date: 2026-08-20. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
11035351
Date: 2026-07-24. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
11035340
Date: 2026-07-21. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
PI to help diagnose A/C concern
11034769
Date: 2026-06-23. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
11033986
Date: 2026-06-09. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
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.
11033753
Date: 2026-06-05. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
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
Notes on this record
Complaints from the API and bulk file are merged and deduplicated by ODI number; the API alone misses records.
System and subsystem counts are numbers of distinct complaints, recalls or communications that name them. One record can name several systems, so shares across systems can add to more than 100 percent; a single share never exceeds 100 percent.
Recalls are counted once per campaign, investigations once per action and manufacturer communications once per NHTSA id, even when NHTSA lists several model names for the same record.
A sales denominator is a calendar-year proxy, not the population of vehicles still in use. Rates are copied from verified pipeline output.