2020 Cadillac XT6 Electrical system Problems
- Complaints
- 11about this part
- Share
- 29%of 38 total for the year
- Median mileage
- 2,046miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 11 complaints about the electrical system of the 2020 Cadillac XT6, 29% of the 38 complaints for this model year. Where a mileage was given, the median is 2,046 miles.
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.
“Brand new off dealer lot needed new battery. From that point forward the vehicle's electronics constantly malfunctioned. The dealer tried everything including working with Cadillac for new parts and suggestions to make the electrical system function normally. After three weeks of work, it still malfunctions and is dangerous to drive.”
NHTSA complaint #11331957, filed 2020-07, 2,046 miles“2020 Cadillac XT6 with all options and new vehicle with less than 400 miles, fuel gauge indicator hash marks that show the level of fuel on the fuel gauge intermittently stop working upon engine startup. Dealer has already checked computer codes and found no error codes. Dealer states they have reset computers several times to correct this issue. Dangerous driving without knowing how much fuel is really in the fuel tank.”
NHTSA complaint #11373575, filed 2020-11, 900 miles“All cameras stopped working. When car is put into reverse the screen goes black with a red triangle (warning) and a red camera with a circle and slash through it (no camera). Service department indicated that there is a service bulletin (pic6420a), but parts are not yet available. They said there were several intermediate fixes that didn't work and now GM is supposed to be releasing new coaxial cables to finally fix the issue. So in the meantime no cameras....”
NHTSA complaint #11390254, filed 2021-01, 3,080 miles“The fuel gauge is intermittently not showing the level of fuel in the fuel tank. Had to drive to the dealership when this occurred to have the technicians read the codes on the computer. If you shut the car off, the fuel gauge resets and the technicians are unable to find the error code. The dealership service department will have to order a new dashboard instrument cluster panel. The car only has 1,948 miles. This car has serious electrical issues.”
NHTSA complaint #11376912, filed 2020-11, 1,948 miles“2020 Cadillac XT6 with: platinum package, enhanced visibility & technology package incl hd surround vision cameras, night vision, and driver assist package. Hd surround vision camera recorder issuing intermittent dashboard displays that sd memory card has errors or has been ejected when in fact the sd memory card has not been ejected. Dealer tried to blame a brand new sd memory card for the issues and replaced the sd memory card. Issue continues to intermittently appear on the dashboard. …”
NHTSA complaint #11373579, filed 2020-11, 1,069 milesRelated service bulletins
- 11019547Apr 22, 2025This service bulletin provides a procedure to test and replace the battery distribution fuse block if found the cause of the DTC and electric coolant pump inoperative.
- 11019017Apr 10, 2025This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
- 11017595Apr 3, 2025This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
- 11017508Apr 3, 2025This service bulletin provides a procedure to add deadener to the batter tray bracket to correct customer concerns of a Service Engine Soon (SES), Reduced Power, Service Brake…
- 11017443Apr 2, 2025This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set.
- 11017244Mar 31, 2025The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other…
- 11017207Mar 21, 2025This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414…
- 11016948Mar 14, 2025This service bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of…
- 11017035Mar 13, 2025This service bulletin provides repair information to correct a customer concern of Vehicle Will Not Lock and Unlock (Loss of Active Functions) Crank or Start (Loss of Passive…
- 11016946Mar 13, 2025This service bulletin provides repair information to correct a customer concern of No Crank, No Start, Quick Start/Stall, No FOB Detected, Key FOBs Inoperative, B3924 00, B3925…
Electrical system: other model years
Other parts of the 2020 Cadillac XT6
9 complaintsBack-over prevention (rear camera)
8 complaintsEngine
4 complaintsOther or unknown
4 complaintsForward collision avoidance
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsFuel system
2 complaintsBody and structure
2 complaintsAir bags
1 complaintsEngine cooling
1 complaintsExterior lighting
1 complaintsLane departure
1 complaints
← All problems reported for the 2020 Cadillac XT6
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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