2020 Cadillac XT4 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
- Premium Luxury Sport Utility 4-Door
- Sport Sport Utility 4-Door
- Luxury Sport Utility 4-Door
Engines covered
- 2.0L 1998CC 122Cu. In. l4 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
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encor
Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may p
GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace
General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC S
Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge sep
GM will notify owners, and dealers will inspect the tires, replacing them as necessary, free of char
General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination
If communication with the sensor is interrupted, the electronic brake boost assist could be lost. E
GM will notify owners, and dealers will replace the electronic brake boost module, free of charge.
General Motors, LLC (GM) is recalling certain 2019-2020 Cadillac XT4 vehicles equipped with the optional Surround Vision feature. The video processing module (VPM) may lose communication with the rea
Failure of the rearview camera image to display can reduce the driver's rear visibility, increasing
Dealers will update the VPM software or replace the VPM, as necessary, free of charge. An interim o
General Motors, LLC (GM) is recalling certain 2016-2021 Chevrolet Malibu and 2019-2021 Cadillac XT4 vehicles. The rear seat belt retractors may be improperly secured with loose or missing fasteners.
An improperly secured seat belt retractor may not function properly in a crash, increasing the risk
Dealers will inspect and tighten the rear seat belt retractors, as necessary, free of charge. Owner
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
This preliminary information discusses a condition that may arise from the drivers window switch sending an errant message causing the vehicle to enter manual fob learn mode.
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 the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
Showing the 8 most recent of 714 technical service bulletins on file with NHTSA.
CADILLIAC 2019 XT4 WHITE IN COLOR BRAND NEW TIRES AND RIMS ..ENGINE BLEW UP WHILE TRAVELING TO A PARTY WITH MY GIRLFRIENDS OUTTA TOWN. IT WAS REALLY BAD...BUT WE STILL HAD A GREAT TIME. WE HAD IT TO
The contact owns a 2020 Cadillac XT4. The contact stated that upon starting the vehicle, the check engine warning light illuminated. The vehicle was taken to Auto Zone, where it was diagnosed and dete
The contact owns a 2020 Cadillac XT4. The contact stated that upon starting the vehicle, the check engine warning light illuminated. The vehicle was taken to Auto Zone, where it was diagnosed and dete
Rear camera/360 camera works intermittently. Vehicle has been recalled for this exact problem and was taken to dealership for correction. Camera became inoperative again and a camera replacement was p
Rear camera/360 camera works intermittently. Vehicle has been recalled for this exact problem and was taken to dealership for correction. Camera became inoperative again and a camera replacement was p
Showing the 5 most serious of 28 complaints filed with NHTSA.
