TELEMATICS SERVICE INFORMATION See ITB19-029 for models built after those listed above for a different Service Procedure. SERVICE INFORMATION The Applied Vehicles are equipped with a wireless communication device called a Telematics Communication Unit (TCU). With an active Infiniti Connection® or Infiniti InTouch Services™, the TCU communicates with the Infiniti Data Center to provide various security and convenience services. This bulletin contains important service procedures that must be performed properly in order to set-up and maintain the telematics system for the Applied Vehicles. Ø A table has been provided on the next page that lists the model and year specific steps required to suc
full bulletin at NHTSA ↗2019 INFINITI QX50 electrical problems
moderate Owners of the 2019 INFINITI QX50 have filed 12 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
Complaints
12
Recalls
0
Avg fix
$850
| Model year | electrical complaints |
|---|---|
| 2016 QX50 | 4 |
| 2019 QX50 (this page) | 12 |
| 2020 QX50 | 3 |
| 2021 QX50 | 7 |
When does it fail?
Of the 12 electrical complaints filed for the 2019 INFINITI QX50, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 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.
What stands out
Of the 4 model years of INFINITI QX50 we track for electrical problems, this one carries the most owner complaints on file — 12.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
AEB WARNING LIGHT IS ON WITH WARNING MESSAGES DISPLAYED ON COMBINATION METER APPLIED VEHICLES: 2015-2024 Q50 (V37) 2015-2018 Q50 Hybrid (HV37) 2017-2022 Q60 (CV37) 2015-2019 Q70 (Y51) 2015-2018 Q70 Hybrid (HY51) 2019-2024 QX50 (J55) 2022-2024 QX55 (FJ55) 2015-2021 QX60 (L50) 2022-2024 QX60 (L51) 2015-2019 QX60 Hybrid (L50H) 2015-2024 QX80 (Z62) SERVICE INFORMATION The AEB system is designed to turn itself OFF during driving conditions (e.g., rain, snow, fog, etc.) that obstruct its sensors. This behavior is normal, and no repairs should be performed. When the AEB system performs an intentional shutdown, the customer may state the following: The ICC stopped working while driving, The AEB/
full bulletin at NHTSA ↗CAN COMMUNICATION CODES – DIAGNOSTIC TIPS AND GUIDELINES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗CAN COMMUNICATION – NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners report a constellation of electrical gremlins across the 2019 QX50—some cosmetic, others genuinely hazardous. Crash sensor and collision detection systems fail intermittently, especially in warm or sunny conditions, causing false emergency braking events at highway speeds and ghost warnings with blackouts of the infotainment screen. Multiple owners describe scenarios where the automatic emergency braking activated with no obstruction present, creating rear-end collision risk. Wiper modules malfunction repeatedly, with wipers coming on randomly in sunshine and delay settings failing in rain. Door lock actuators and power liftgates become unreliable; one owner reported the liftgate closing on her head without obstruction detection. Power seat motors have failed multiple times on at least one vehicle, potentially stranding a driver in an unsafe position. Instrument panel displays go blank mid-drive or flash with blue streaks. Cooling fan sensors, cruise control, shift indicator lights, headlight flickering, and sunroof operation all appear sporadically across the complaint set. Battery drains persistently on some vehicles. Owners report visiting dealerships repeatedly with the same issues recurring, sometimes replaced modules being swapped back in. One owner documented metal debris in the oil pan consistent with bearing failure and is disputing dealer diagnosis against recall criteria. Another owner experienced total power loss while on the freeway with disabled passengers aboard."
Failure modes owners describe
Crash Sensor & Collision Detection System Failure
Crash sensors fail intermittently, especially in warm or sunny conditions. Automatic emergency braking activates without obstruction. Collision warning system displays false warnings with screen blackouts.
When: Starts at 8,000 miles (narrative #1, Dec 2019); occurs intermittently, some incidents in 2025–2026
Symptoms owners cite: Malfunction light comes on when car starts or while driving; Backup camera activates spontaneously with false collision warnings; Screen goes black during false warnings, then returns to normal; Automatic braking applies on empty roads with no obstacles present; False emergency braking at highway speeds (55–65 mph); System fails to detect real obstacles or vehicles at highway speed
Codes mentioned: crash sensor malfunction codes (narratives mention codes present but photos failed to upload)
Repairs/costs cited: Dealership replaced crash sensor module multiple times in narrative #1; issue recurred. Narrative #3 reports repeat incidents despite earlier service attempt.
Recalls/TSBs owners mention: Narrative #3 references case escalation request but no resolution documented. Narrative #2 mentions service appointment offered (9 days out).
Wiper Module Malfunction
Wiper control module fails repeatedly. Wipers activate randomly and delay settings do not function properly in rain.
When: Starts Dec 2019 at 8,000 miles (narrative #1)
Symptoms owners cite: Wipers come on randomly when it is sunny; Wiper delay does not work when raining; Module replaced twice; same issues persist
Repairs/costs cited: Module replaced twice by dealership; issue recurred both times.
Power Liftgate Control Failure
Rear liftgate closes unexpectedly while open and does not stop or detect objects in path. Closes on owner's head without triggering obstruction detection.
Symptoms owners cite: Liftgate opens fully via electrical switch, then closes immediately without stopping; Does not detect head or objects in its path; Attempts to reopen result in gate opening ~5 inches then closing immediately; Occurs when car is parked and not running
Repairs/costs cited: Incident #36294200 opened with Infiniti Customer Service; loaner provided; dealer awaiting specialist before repair.
Recalls/TSBs owners mention: Infiniti Customer Service opened case #36294200, provided loaner, requested dealer hold pending specialist arrival.
Power Seat Motor Failure
Driver-side electric seat motor fails repeatedly, rendering seat immobile. Failure without warning can leave driver unable to reach pedals safely.
When: 7/29/21 at 22,984 mi; 9/3/21 at 24,156 mi; 7/12/22 at 34,414 mi
Symptoms owners cite: Seat cannot move forward or back; No warning lamps or indication prior to failure; Potential safety risk if seat fails in unsafe position for driver reach
Repairs/costs cited: Motor replaced by dealer on each of three occasions. Narrative #6 notes dealer later revealed same issue in other vehicles.
Recalls/TSBs owners mention: Case worker contacted between 7/11/22–8/11/22; case worker did not consider it a serious problem.
Infotainment Screen & Display Malfunction
Instrument panel and infotainment screens go blank, flash abnormally, or experience extended blackouts during driving.
When: Narrative #9 at 7,000 miles; narrative #12 undated
Symptoms owners cite: Instrument panel goes blank with blue streak across screen; Backup camera screen goes blank in garage/during use; Screen blackouts during collision warning events; Bright flash from panel followed by blank screen
Repairs/costs cited: Narrative #9 mechanic unable to duplicate after two weeks; manufacturer offered buyback (vehicle not repaired).
Recalls/TSBs owners mention: Manufacturer (narrative #9) offered vehicle buyback.
Door Lock Actuator Failure
Power door locks and actuators fail to lock or unlock via key fob or interior switches. Multiple doors affected intermittently.
When: Narrative #7 within first 4 months of September 2023 purchase; narrative #11 ongoing
Symptoms owners cite: Doors fail to lock or unlock via key fob; Interior automatic door locks fail; Valet key required as workaround; Alarm does not sound when manually unlocked; Safety risk: kids can exit vehicle or unauthorized entry possible
Repairs/costs cited: Narrative #11 notes neighbor with same year/model experiencing identical issue.
Cruise Control Malfunction
Cruise control stops working and throws diagnostic codes.
When: Dec 2019 onward (narrative #1)
Symptoms owners cite: Cruise control becomes inoperative; Throws fault codes
Codes mentioned: cruise control fault codes (not specified)
Cooling Fan Sensor Failure
Cooling fan runs continuously at high speed due to sensor malfunction.
When: Dec 2019 onward (narrative #1)
Symptoms owners cite: Cooling fan stuck on high speed
Repairs/costs cited: Sensor replaced; issue resolved.
Shift System Malfunction Light
Shift system malfunction warning appears on instrument panel without apparent transmission issue.
When: Dec 2019 onward (narrative #1)
Symptoms owners cite: Shift system malfunction light illuminates
Headlight Flickering
Headlights flicker intermittently and fail, requiring replacement early in ownership.
When: Narrative #7 within first month of September 2023 purchase; narrative #4 December 5, 2025 onwards
Symptoms owners cite: Headlight flickering; Headlight failure requiring replacement
Repairs/costs cited: Replaced within first month in narrative #7.
Battery Drain
Battery dies repeatedly despite recent maintenance and no apparent cause.
Symptoms owners cite: Continuous battery drain and failure; Multiple malfunction lights active simultaneously
Codes mentioned: rear collision light (malfunction), check engine light
Engine Power Loss & Bearing Failure
Complete loss of motive power while exiting freeway. Metal debris found in oil pan consistent with bearing failure. Owner disputes dealer denial of recall coverage.
When: March 26, 2026; warning symptoms began December 5, 2025
Symptoms owners cite: Complete loss of motive power while exiting freeway; Headlight flickering; High-pitched engine whistling; VDC warning light; Intermittent power loss
Codes mentioned: VDC warning light
Repairs/costs cited: Metal shavings documented in oil pan by Les Schwab Tires (official invoice). Infiniti Roseville inspection (R/O 101930, 3/28/26) confirmed 'SMALL AMOUNT OF METAL SILVER COLORED' debris and took two photos. Owner disputes dealer claim that silver color does not qualify under recall R25B2.
Recalls/TSBs owners mention: Recall R25B2 exists for bearing failure; dealer denying coverage claiming silver debris does not meet criteria, contradicting Nissan's published recall documentation stating 'metal debris qualifies for engine repair or replacement at no charge.'
Automatic Sunroof Malfunction
Sunroof installed incorrectly at factory and fails to operate during electrical incidents.
When: Narrative #7 within first month of September 2023 purchase; narrative #9 at 7,000 miles
Symptoms owners cite: Sunroof fails to open as expected; Non-responsive during electrical failure events
Repairs/costs cited: Narrative #7 required replacement within first month.
Synthesized from 12 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 2 most recent
There is a continuous issues with my battery dying. There are multiple malfunction lights showing, particularly the rear collision light. The check engine light is also showing, and I have had an oil change recently. The car breaks on its own. While backing into a space, the steering wheel would not completely turn right until I straightened up the car. Finally. I have had my driver's side car…
Tl* the contact owns a 2019 Infiniti qx50. The contact stated while driving at 65 MPH, there was a loud, abnormal popping sound coming from the vehicle. Soon after the popping sound was heard, a bright flashed from the instrument panel. The instrument panel went blank had gone blank with a blue streak across the screen. The contact stated that the vehicle started to decelerate independently.…
Had electrical trouble with your 2019 INFINITI QX50?
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 2019 INFINITI QX50?
It's a documented issue but not catastrophic. 12 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 12 complaints filed, electrical issues most often appear around 32,957 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/2019/INFINITI/QX50.
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.