This 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.
full bulletin at NHTSA ↗2020 Cadillac XT6 electrical problems
moderate Owners of the 2020 Cadillac XT6 have filed 8 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
8
Recalls
0
Avg fix
$850
| Model year | electrical complaints |
|---|---|
| 2020 XT6 (this page) | 8 |
| 2021 XT6 | 3 |
| 2024 XT6 | 5 |
When does it fail?
Of the 8 electrical complaints filed for the 2020 Cadillac XT6, 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
No new NHTSA electrical complaint has been filed on this vehicle in over 5 years — the issue may be aging out of the active population.
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.
This 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.
full bulletin at NHTSA ↗This 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, Reduced Steering and/or Stabilitrak Message Illuminated on DIC, multiple DTCs.
full bulletin at NHTSA ↗This 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.
full bulletin at NHTSA ↗This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 6 most recent
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…
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…
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…
The contact owns a 2020 Cadillac XT6. The contact stated that after entering the front passenger’s side of the vehicle, she observed water leaking into the interior. After a visual inspection, the contact discovered water damage to the floorboards. The vehicle was taken to the dealer, who determined that the cabin filter was clogged and needed to be replaced. The vehicle was repaired, but the…
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. *tr
The back up camera is intermittently non functional when placed in reverse gear. A red triangle and red camera icon appear on the screen with a circle and slash through it. GM has posted a Bulletin #PIC6420 that offers a solution stating that it is likely a connection concern and recommends replacing a coax cable which can be ordered through the WPC. There have been multiple complaints about…
Had electrical trouble with your 2020 Cadillac XT6?
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 2020 Cadillac XT6?
It's a documented issue but not catastrophic. 8 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 8 complaints filed, electrical issues most often appear around 7,629 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/2020/Cadillac/XT6.
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.