The contact owns a 2021 Chevrolet Equinox. The contact stated that the horn was intermittently inoperable while driving. The contact stated that the failure progressively worsened, causing the horn to become permanently inoperable. Additionally, the seat belt warning light was illuminated. The dealer was notified of the failure and informed the contact that the VIN was not included in a recall.…
2021 Chevrolet Equinox electrical problems
moderate 13 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Complaints
13
Recalls
0
Avg fix
$850
When does it fail?
Of the 13 electrical complaints filed for the 2021 Chevrolet Equinox, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
The failure pattern owners describe
Buyer takeaway: The 2021 Equinox has widespread electrical system issues ranging from BCM failures causing complete loss of power to infotainment glitches, water intrusion into fuses, and various sensor/control failures. Multiple owners report problems Chevy dealers either can't diagnose or won't address under warranty, with some manufacturers stating they "have no idea" what's causing the failures.
The 2021 Equinox electrical system is generating serious complaints across multiple systems. Body Control Module failure appears as a critical issue: one owner's vehicle displayed multiple warning messages (Fuel System, Front Detection, Side Detection), then refused to restart at 11,000 miles. The BCM part took a week to arrive even after manufacturer expediting.
Engine stalling is a safety concern. One owner's vehicle shut off while turning into traffic and rolled into oncoming cars; another's stalled in a dealer parking lot and wouldn't restart. Neither dealership could diagnose root cause.
Infotainment problems are widespread and persistent. Owners report touchscreens going black, GPS disconnecting, false SD card errors, radio blasting at full volume on startup, and complete audio failure affecting radio, OnStar, and phone calls. Dealership resets don't hold; Chevy acknowledges the issue affects multiple 2021 models but hasn't fixed it.
Water intrusion is documented as a known issue. Water leaks from the shark fin antenna and sunroof into the rear, floors, and fuse box—creating mold and electrical hazard. One owner reported electrical shocks to both themselves and their child during a stall event.
Other electrical failures include horn going inoperable, liftgate opening by itself (RF failure), power locks only functioning above 60 mph, and lane change warning/front camera dropout. Multiple owners report dealers unable or unwilling to diagnose problems or honor warranty claims.
Same Chevrolet Equinox electrical reports on nearby years: 2018 · 2019 · 2020 · 2022 · 2024
Failure modes owners describe
Body Control Module (BCM) failure
BCM completely failed, causing vehicle to lose power and fail to restart. Multiple warning messages appeared before failure (Fuel System Needs Service, Front Detection System Needs Service, Side Detection System Needs Service). One owner reported the vehicle would not restart and had to be towed; manufacturer expedited BCM replacement which took about a week.
When: 11,000 miles
Symptoms owners cite: Multiple warning messages appearing simultaneously (Fuel System, Front Detection System, Side Detection System); Vehicle failed to restart after several attempts; Vehicle completely lost power while driving
Codes mentioned: Two unknown codes found by OnStar diagnostic
Repairs/costs cited: BCM replacement required; part initially unavailable for 1-3 weeks, expedited to one week by manufacturer
Recalls/TSBs owners mention: Manufacturer notified and expedited BCM part shipment to dealer within one week
Engine stalling with no restart capability
Engine shut off without warning while vehicle was in motion. In one case, vehicle stalled during a left turn in traffic and rolled into oncoming traffic. Check engine light illuminated. A second incident involved the engine stalling in a dealer parking lot and failing to restart. GM/Chevy dealership stated they could not diagnose the cause.
When: Unknown mileage
Symptoms owners cite: Engine suddenly shut off without warning; Check engine light illuminated; Vehicle unable to restart after stalling; All other vehicle functions (radio, air, lights) remained operational during initial stall
Codes mentioned: Check engine light only; underlying cause undiagnosed
Repairs/costs cited: Dealership unable to diagnose or resolve; vehicle had to be towed
Recalls/TSBs owners mention: GM and Chevy stated they have no idea why this is happening
Infotainment system malfunctions
Multiple infotainment issues reported including total touchscreen blackout, GPS disconnection, display errors, and audio system failures. One owner reported recurring 'SD card has been removed' error despite SD card being present. Another reported radio powering on at maximum volume unexpectedly and losing infotainment control.
When: Since new (early complaints); other incidents around 11,000-36,000 miles
Symptoms owners cite: Touchscreen display going completely black; Unable to control climate or radio via touchscreen; GPS showing as not connected; Instrument panel showing no readings (oil, speed, etc.); Persistent false 'SD card has been removed' error message; Radio turning on at maximum volume (75%) unexpectedly; Backup camera remaining on unintentionally; Complete loss of infotainment control during malfunction; No audio output for warning indicators, radio, or OnStar; Phone audio reception issues (receiving party cannot hear owner)
Repairs/costs cited: Dealership reset computer; issue recurred. No permanent fix achieved. Workaround provided: turn off vehicle and open driver's door when radio malfunctions.
Recalls/TSBs owners mention: Chevrolet aware that issue affects multiple 2021 Equinox units but has not made effort to correct it
Horn inoperative
Horn became intermittently inoperable and progressively worsened to complete failure. One owner also reported seat belt warning light illuminated. VIN not included in any recall. Vehicle not diagnosed or repaired at dealer.
When: 55,000 miles
Symptoms owners cite: Horn intermittently inoperable; Horn failure progressively worsened; Horn permanently inoperable; Seat belt warning light illuminated
Recalls/TSBs owners mention: VIN not included in recall; no repair performed
Liftgate opening independently
Liftgate opened by itself while driving at various speeds. Diagnosed as radio frequency failure. No warning light preceded the failure. Occasionally occurred while driving at certain locations, suggesting RF interference.
When: 55,000 miles
Symptoms owners cite: Liftgate opened independently while driving; Failure occurred at various speeds; No warning light illuminated; Occasional pattern tied to specific driving locations
Codes mentioned: Radio frequency failure (diagnosed by dealer)
Repairs/costs cited: Not repaired
Recalls/TSBs owners mention: Manufacturer not notified
Water intrusion and electrical damage from leaks
Water leaks into vehicle from multiple points, including sunroof and shark fin antenna area. Water accumulates in rear seats and floor, entering fuse box and creating mold. One owner reported massive water accumulation causing black mold growth. Water leaks reported as a known issue affecting multiple 2021 Equinox vehicles.
When: Within 3 months of purchase; ongoing with rain
Symptoms owners cite: Water leaking into rear of vehicle from shark fin antenna; Sunroof and sunshade inoperable; Mold growth under weather mats and in rear seats; Floor soaking wet during rain; Massive water drainage into car from rear seats; Black mold present; Water entering fuse box (creating shock hazard risk)
Repairs/costs cited: Issue documented as known problem on forums and complaint boards
Power door lock system failure
Power door locks would not respond to key fob or manual door button commands. Doors would only lock when vehicle exceeded 60 mph using door buttons. Lock/unlock functions completely failed at lower speeds.
When: Unknown mileage
Symptoms owners cite: Power locks will not lock or unlock via key fob; Power locks will not lock or unlock via door buttons at normal speeds; Doors only lock at speeds exceeding 60 mph via door buttons
Electrical shock hazard
Owner reported occupant and child both received electrical shocks while in the vehicle. Occurred during same incident that vehicle stalled on main road without warning lights. Owner took child to doctor for foot examination after shock.
When: Unknown mileage
Symptoms owners cite: Electrical shock to occupant; Electrical shock to child passenger
Recalls/TSBs owners mention: Dealer could not replicate issue and reported no findings
Lane change warning system and front camera failure
Lane changing warning system and front camera both failed. Occurred within first year of ownership (under 36,000 miles). Warranty dispute regarding coverage dates.
When: Under 36,000 miles; within approximately 1 year of purchase
Symptoms owners cite: Lane changing warning system inoperable; Front camera inoperable
Repairs/costs cited: Repair cost cited as over $1,500; owner states vehicle also had startup issues
Recalls/TSBs owners mention: Manufacturer/dealer claiming warranty expired, owner disputing warranty effective dates
Synthesized from 13 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 3 most recent
When purchase vehicle there was only 9,567 miles on it . I had the car for 1 year when lane changing warning and front camera went out. Also effected my car started. Dont know when it was first purchase and they say warranty is up. It could of been the end of 2024 but they say 1/2024.. Miles is under 36000 and the end of 2024 is 3year. My bill they stat is over 1500. I can afford it in this…
Odometer Fraud. The contact purchased a 2021 Chevrolet Equinox. The contact stated that while attempting to register the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a private sale. At the time of purchase, the mileage was approximately 72,170, and at the time of registration, it was discovered that the mileage was approximately 206,352.
Had electrical trouble with your 2021 Chevrolet Equinox?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2021 Chevrolet Equinox?
It's a documented issue but not catastrophic. 13 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Based on the 13 complaints filed, electrical issues most often appear around 81,838 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2021/Chevrolet/Equinox.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.