2019 Cadillac CTS service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- V Sedan 4-Door
- Premium Sedan 4-Door
- Base Sedan 4-Door
- Vsport Premium Luxury Sedan 4-Door
- Vsport Sedan 4-Door
- Luxury Sedan 4-Door
- Premium Luxury Sedan 4-Door
Engines covered
- 6.2L 6162CC 376Cu. In. V8 GAS OHV Supercharged
- 3.6L 222Cu. In. V6 GAS DOHC Naturally Aspirated
- 2.0L 1998CC 122Cu. In. l4 GAS DOHC Turbocharged
- 3.6L 3564CC 217Cu. In. V6 GAS DOHC Turbocharged
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
This PI communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when ordering
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This service bulletin provides information on Tire Sidewall Irregularities.
Showing the 8 most recent of 660 technical service bulletins on file with NHTSA.
The contact owns a 2019 Cadillac CTS. The contact stated that while driving at 40 MPH, the check engine warning light illuminated. The vehicle was taken to an Auto Parts Store and was diagnosed with c
I believe itâs the transmission itâs not changing gears like it supposed to only have 52,000 miles on the dash. Itâs have to be defective. No Incident
I believe itâs the transmission itâs not changing gears like it supposed to only have 52,000 miles on the dash. Itâs have to be defective. No Incident
The contact owns a 2019 Cadillac CTS. The contact stated that the trim on the steering wheel had started to peel off. Due to the failure, the edges of the steering wheel where the trim was located had
The rear differential started making noise and growling. Upon draining the differential, we found a lot of metal debris. Upon reading on this issue, we found that Cadillac has had this issue with past
Showing the 5 most serious of 16 complaints filed with NHTSA.
