VehicleVerdict

2017 Cadillac CT6 problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 28 complaints on file for the 2017 Cadillac CT6 — too few to judge reliability from owner reports alone — but one recall campaign applies to this year, so any used example should have its VIN checked for completed recall work.

28

NHTSA complaints

1

Recalls

0

Investigations

0

Crash-involved

0

Fires reported

0

Injuries

0

Deaths

—

NCAP overall

How does 2017 compare to other CT6 years?

CT6 NHTSA complaints by model year, 2017 highlighted28 complaints2016: 15 complaints2017: 28 complaints2018: 14 complaints2019: 17 complaints2020: 16 complaints
CT6 NHTSA complaints by model year, 2017 highlighted. Red bars are years to avoid.

See all CT6 years to avoid →

What are the most common 2017 Cadillac CT6 problems?

ComponentComplaintsShare
Transmission1036%
Electrical System414%
Brakes27%
Speed Control27%
Tires & Wheels27%
Other14%
Driver Assistance14%
Steering14%
Body & Structure14%
Suspension14%
Visibility & Wipers14%
Engine14%
Fuel System14%

Does the 2017 Cadillac CT6 have recalls?

1 NHTSA recall campaign on file. Recall repairs are free at franchised dealers.

21V759000LightingSeptember 29, 2021 · 181 units

Defect

General Motors, LLC (GM) is recalling certain 2016-2017 Cadillac CT6 vehicles. The Park/Position lights may be excessively bright. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

Consequence

The excessive brightness may affect the vision of other drivers, increasing the risk of a crash.

Remedy

Dealers will install right and left side in-line headlight jumper harnesses, free of charge. Owner notification letters were mailed November 3, 2021. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is N162016079.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“WHEN AUTO STOP IS ENGAGE TAKING YOUR FOOT OFF THE BRAKE PEDAL FROM A COMPLETE STOP WHEN THE ENGINE STARTS BACK UP IT HAS A HARSH JERK SOMETIMES, IT FEELS AS THOUGH SOMEONE HAS HIT YOU FROM THE REAR. THIS BEEN GOING ON FOR THREE YEARS THE CAR HAS BEEN IN SERVICE TWICE FOR THIS PROBLEM THE SERVICE…”

Complaint filed with NHTSA · Transmission · June 3, 2020

“These vehicles have an issue tbat GM is aware of, with their 8 speed automatic transmissions which are used in multiple GM vehicles and these cause safety issues because for instance my vehicle switches gears randomly almost causing a wreck, and shuttering, and even slipping and when this happens…”

Complaint filed with NHTSA · Electrical System · October 15, 2024

“Transmission - Jerks and studders (hesitation) in the course of normal driving. Brakes - Makes a squealing noise which has gotten louder over time.”

Complaint filed with NHTSA · Brakes · September 29, 2023

“The vehicle experiences harsh shifting, surging, and jerking forward during normal driving conditions. The behavior has occurred repeatedly over several years and has been confirmed by the dealership. Multiple repair attempts, including transmission-related work, have not resolved the issue. The…”

Complaint filed with NHTSA · Speed Control · June 15, 2018

2017 Cadillac CT6 — common questions

Is the 2017 Cadillac CT6 reliable?

The record is thin — 28 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 1 recall should be verified as completed.

What are the most common 2017 CT6 problems?

According to NHTSA complaint data, the leading problem areas are transmission (10 complaints), electrical system (4 complaints), speed control (2 complaints).

Does the 2017 Cadillac CT6 have recalls?

Yes — NHTSA lists 1 recall campaign affecting the 2017 Cadillac CT6. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.