2019 Cadillac XT5 Problems: 3 Known Issues
2019 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated November 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019 Cadillac XT5 has 3 documented known issues, with 1 rated critical. The most serious is A/C Evaporator Drain Hose Leaks at the HVAC Module and Lets Water Reach the Body Control Module - Random Electrical Faults (Bulletin 21-NA-183). Across all issues with published estimates, repair costs range from $250 to $650. DIY maintenance guides at au7o.io.
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All 3 Known Issues
NHTSA Recalls9 recalls
SUSPENSION:REAR
General Motors, LLC (GM) is recalling certain 2022 Cadillac XT5, XT6, and GMC Acadia vehicles. The left-rear suspension toe link may have been tightened improperly, which could result in a loose or separated toe link.
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
General Motors, LLC (GM) is recalling certain 2022 Cadillac XT5, XT6, and GMC Acadia All-Wheel Drive (AWD) vehicles. The fuel tank rollover valve may not provide a proper seal in the event of a rollover crash.
POWER TRAIN:AUTOMATIC TRANSMISSION
General Motors, LLC (GM) is recalling certain 2023 Cadillac XT6, GMC Acadia, Chevrolet Blazer, Traverse, and 2022-2023 Cadillac XT5 vehicles. The transmission may have been built with an incorrect sun gear, which can result in the driver-side half-shaft disengaging from the transmission.
TIRES
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 Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long during production.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, Cadillac XT6, Chevrolet Traverse, and GMC Acadia vehicles. The fuel pump's jet nozzle may have a plastic burr remaining from the manufacturing process, possibly causing a blocked nozzle and an insufficient fuel supply to the engine.
+ 4 more recalls. Check all on NHTSA.gov
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Frequently Asked Questions
What are the most common Cadillac XT5 problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2019 Cadillac XT5 has 3 documented issues. Documented issues include: A/C Evaporator Drain Hose Leaks at the HVAC Module and Lets Water Reach the Body Control Module - Random Electrical Faults (Bulletin 21-NA-183), Engine Thermostat Sticks Open on the 3.6L LGX - Triggers P0128, 'Steering Assist is Reduced' Message and A/C Shutdown, Power liftgate stops partly open or will not close, DTC B153F — bulletin 20-NA-232. Of these, 1 is rated critical and should be addressed promptly.
Is the Cadillac XT5 reliable?
The 2019 Cadillac XT5 has 3 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: A/C Evaporator Drain Hose Leaks at the HVAC Module and Lets Water Reach the Body Control Module - Random Electrical Faults (Bulletin 21-NA-183). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Cadillac XT5 problems?
Repair costs for known Cadillac XT5 issues range from $250 to $650, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2017-2022 Cadillac XT5 A/C Evaporator Drain Hose Leaks at the HVAC Module and Lets Water Reach the Body Control Module - Random Electrical Faults (Bulletin 21-NA-183)?
GM bulletin 21-NA-183 covers 2017-2022 XT5 (up to a 2022 VIN breakpoint) along with related GM crossovers. Customers may report intermittently inoperative door locks, instrument-panel lamps illuminating, immobilizer concerns, or unwanted horn or hazard-flasher operation, and tech… Severity: high.
What is the 2017-2020 Cadillac XT5 Engine Thermostat Sticks Open on the 3.6L LGX - Triggers P0128, 'Steering Assist is Reduced' Message and A/C Shutdown?
The engine thermostat on the 3.6L LGX V6 commonly sticks in the open position, so the engine never reaches its target operating temperature. The ECM sets P0128, and because the steering module needs a valid coolant-temperature signal to compensate for cold, thick steering-gear gr… Repairs typically run $250-$650. Severity: medium.
What is the 2017-2021 Cadillac XT5 Power liftgate stops partly open or will not close, DTC B153F — bulletin 20-NA-232?
GM bulletin 20-NA-232 describes a power liftgate that stops shortly after opening, or will not power-close from the open position. Technicians may find DTC B153F. Misaligned or dimensionally unstable terminals in the liftgate object-sensor connector can cause intermittent contact… Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.