2018 Cadillac CTS Transmission and drivetrain Problems
- Complaints
- 3about this part
- Share
- 38%of 8 total for the year
- Median mileage
- 12,300miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the transmission and drivetrain of the 2018 Cadillac CTS, 38% of the 8 complaints for this model year. Where a mileage was given, the median is 12,300 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.
“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.”
NHTSA complaint #11486548, filed 2022-09Related service bulletins
- 11019516Apr 17, 2025This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
- 11014622Mar 2, 2025This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
- 11014621Mar 2, 2025This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
- 11014353Feb 12, 2025This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
- 11013069Jan 9, 2025This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- 11011989Nov 27, 2024This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
- 11011205Oct 28, 2024This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
- 11011436Oct 10, 2024This Preliminary information communicates for Technicians installing a Service Replacement Transmission Assembly to contact Technical Assistance to make sure unit is not suspect…
- 11009756Sep 17, 2024This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and…
- 11009088Sep 16, 2024This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be…
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2019 | 3 | 30% |
| 2018 | 3 | 38% |
| 2017 | 9 | 33% |
| 2016 | 9 | 29% |
| 2015 | 20 | 41% |
| 2014 | 84 | 58% |
| 2013 | 13 | 18% |
| 2012 | 4 | 6% |
| 2011 | 22 | 22% |
| 2010 | 9 | 13% |
| 2009 | 28 | 17% |
| 2008 | 21 | 12% |
| 2007 | 33 | 15% |
| 2006 | 45 | 17% |
| 2005 | 82 | 30% |
| 2004 | 52 | 23% |
| 2003 | 25 | 8% |
Other parts of the 2018 Cadillac CTS
3 complaintsAir bags
1 complaintsEngine
1 complaintsExterior lighting
1 complaintsOther or unknown
1 complaints
← All problems reported for the 2018 Cadillac CTS
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