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Electrical systemPart report

2018 Lincoln Navigator Electrical system Problems

Complaints
8about this part
Share
15%of 52 total for the year
Median mileage
7,813miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 8 complaints about the electrical system of the 2018 Lincoln Navigator, 15% of the 52 complaints for this model year. Where a mileage was given, the median is 7,813 miles. 1 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Back liftgate opens randomenly. Dealer has replaced two parts involved and happened again yesterday. Seems to be when you shut one of the front doors firmly and lock the car w keyfob twice. I suspect the air pressure from shutting door and keyfob action cause this. But problem persists. Car was stationary every time.”

NHTSA complaint #11187451, filed 2019-03, 9,500 miles

“Today while driving with heated seats I felt a burn on my seat and had to pull over. The seat has some burn marks. As a former fire investigator this is a major safety issue and fire is imminent. Wont let me upload photo. Seat started to get to the point uf burning but stopped when I turned it and car off”

NHTSA complaint #11634278, filed 2025-01

“The moonroof drain hoses are not secured and is known problem with other Navigator and Expedition owners. I became aware while troubleshooting why the liftgate would not open. The procedure to access the Rear Gate Trunk Module (RGTM) requires the removal of the 3rd row seats, C & D pillars and several cabin panels. After the removal of these items I noticed the insulation under the carpet and behind the panels were drenched. The Reserve trim on my Navigator has very dense carpet and a backing that does not let the moisture evaporate over time. Rather, it retains water almost indefinitely. …”

NHTSA complaint #11691109, filed 2025-10

“The back up camera will randomly black out. The steering wheel motor is broke and the steering wheel does not adjust. Needed a new air conditioner motor, timing chain, had a transmission leak, wheel axel leak. This is a safety hazard and caused a huge financial strain.”

NHTSA complaint #11690091, filed 2025-09

“The contact owns a 2018 Lincoln Navigator. The contact stated that upon starting the vehicle, the vehicle shuddered and made abnormal rattling and knocking sounds. There were no warning lights illuminated. The dealer informed the contact that the failure was a design failure and was caused by oil not being pumped up to the timing chain properly. The contact stated that he received an unknown customer satisfaction program for the failure however, the dealer informed the contact that the parts for the repair were not yet available. …”

NHTSA complaint #11440563, filed 2021-11, 6,126 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2025323%
2024319%
2023457%
2022943%
202139%
2020413%
20191113%
2018815%
2017413%
2016312%
2015733%
2014318%
2013321%
201218%
2011222%
2010425%
2009330%
2008723%
2007511%
2006712%
200548%
20041113%
20032217%
2002619%
20011620%
20001312%
1999129%
19982111%

Other parts of the 2018 Lincoln Navigator

Transmission and drivetrain
20 complaintsEngine
12 complaintsOther or unknown
6 complaintsSteering
5 complaintsBack-over prevention (rear camera)
3 complaintsExterior lighting
2 complaintsFuel system
2 complaintsLane departure
2 complaintsSeat belts
2 complaintsSeats
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsBody and structure
1 complaints

← All problems reported for the 2018 Lincoln Navigator

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology