🚗 AutoDefect IQ

2018 Cadillac Cts problems, complaints & recalls

Most-reported problem areas: Power Train (3) · Electrical System (2) · Exterior Lighting (1)

🧭 Reliability snapshot

94 /100
✓ Typical or better for this model

Compared against other Cadillac Cts model years — complaint volume vs the model's median year, recalls and severity. How we score →

8
Complaints
2
Recalls
1,088
Service bulletins
1
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (2)

Steering:electric Power Assist System 2025-03-20 · campaign 25V175000 · 934 vehicles

Defect: General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CTS, 2017-2018 Cadillac ATS, Chevrolet Camaro, and Chevrolet Corvette vehicles. The electric power steering (EPS) assist may fail.

Risk: A loss of power steering assist can require greater steering effort, especially at low speeds, increasing the risk of a crash.

Fix: Dealers will replace the power steering gear assembly, free of charge. Owner notification letters were mailed April 15, 2025. Owners may contact Cadilac customer service at 1-800-333-4223 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252497020.

Steering:electric Power Assist System 2019-02-07 · campaign 19V086000 · 26,772 vehicles

Defect: General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CTS, and 2017 Cadillac ATS, Chevrolet Camaro, and Chevrolet Corvette vehicles. The electric power steering (EPS) assist system may fail.

Risk: Loss of power steering assist would require a higher steering effort, especially at lower speeds, which may increase the risk of a crash.

Fix: GM will notify owners, and dealers will replace the power steering gear assembly, free of charge. The recall began June 13, 2019. GM' number for this recall is N182182760.

Service bulletins (1,088)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions

this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.

Unknown Or Other 2026-09-21 · PIP5700H · Service Bulletin/Repair Instructions

this pi communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when ordering

Unknown Or Other 2026-09-04 · PIP4902W · Service Bulletin/Repair Instructions

this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.

Unknown Or Other 2026-07-21 · PIT5099J · Service Bulletin/Repair Instructions

pi to help diagnose a/c concern

Unknown Or Other 2026-04-01 · PIT3271Q · Service Bulletin/Repair Instructions

this preliminary information communicates information about how to determine if a wheel and tires size change is available.

Unknown Or Other 2026-03-09 · PIP6104 · Service Bulletin/Repair Instructions

this preliminary information communicates the steps on how to save a gds2 session log and upload to a technical assistance case in cx connect.

Showing the 6 most recent of 1,088 bulletins. Search all of them free at nhtsa.gov.

What owners report

2026-01-27 · Power Train

“the transmission "shudders". it does not happen with any regularity and with no advance warning. it may be electronic or mechanical or both.…”

2025-12-23 · Electrical System

“what component or system failed or malfunctioned, and is it available for inspection upon request? from 2018. the uauto start/stop system has failed 3 times. how was your safety or the safety of others put at risk? these components failing subjects the driver and surroundings to a stalled car that may not start again. has the problem been reprodu…”

2025-04-17 · Air Bags · 💥 crash

“the airbag system failed to deploy during a single-vehicle accident in which the car left the service road and struck a tree. the vehicle sustained significant front-end damage. the driver lost consciousness or experienced disorientation and was unable to recall the events leading up to or immediately following the accident. the lack of airbag dep…”

2024-05-24 · Unknown Or Other

“to whom it may concern, i am writing to express my serious concerns regarding a known issue with the 2018 cadillac cts that poses a significant safety risk. the lcd/backup display screen in my 2018 cadillac cts has cracked on its own, taking up the entire display. this is a well-documented problem that many cadillac owners have reported to gm, ye…”

2022-09-26 · Power Train

“rear differential failure confirmed by the dealer at 41,000 miles. told not to drive it as rear wheels could lock up causing accident. rear was making load noise 2 days prior to failure with fluid leak upon inspection. dealer states failure is under warranty but no parts available for 3-6 months.…”

2021-03-24 · Power Train · 12,300 mi

“i was driving my 2018 cadillac cts between 50-60mph and i lightly tapped on the gas and the car started shaking and vibrating. felt like it could be a transmission or a engine misfire. my cars transmission also shifts very very rough kindly jerky which creates a unsafe environment while in motion. this is a consistent issue and with my car and onl…”

2020-07-26 · Electrical System · 7,250 mi

“cue display panel suddenly has strange web-like defects in right side of panel. vehicle has been mostly parked in shaded driveway due to covid-19 closures and restrictions. driven 2 -3 times a week on grocery trips.…”

2019-01-18 · Exterior Lighting

“the cadillac daytime running lights and headlights exceed american medical association eye safety requirements of 3000k color temperature or less. the cadillac lights are damaging the eyes of drivers of oncoming vehicles and of pedestrians. the glare caused by the cadillac lights prevent drivers of oncoming vehicles from properly assessing road c…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Cadillac Cts years