2017 Cadillac XT5 Problems: 5 Known Issues
2017 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 2017 Cadillac XT5 has 5 documented known issues, with 3 rated critical. The most serious are 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), Rear Differential Clutch Control Module Over-Torques the Twinster Unit and Can Fracture the Rear Propeller Shaft (GM Service Update 17109) and Recall 16V802: Front Brake Caliper Piston Seal May Leak Brake Fluid on Early-Build 2017 XT5 ($0-$0 repair). Across all issues with published estimates, repair costs range from $250 to $650. DIY maintenance guides at au7o.io.
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All 5 Known Issues
NHTSA Recalls9 recalls
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
General Motors, LLC. (GM) is recalling certain 2021 Cadillac XT5, XT6, and GMC Acadia vehicles. The fuel supply lines may be improperly attached and seated.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
General Motors, LLC (GM) is recalling certain 2020-2021 Cadillac XT5, XT6, and GMC Acadia vehicles equipped with the optional Surround Vision feature. The rearview camera coaxial cable connectors may have been crimped improperly, causing the rearview camera to fail or function intermittently.
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.
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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 2017 Cadillac XT5 has 5 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), Rear Differential Clutch Control Module Over-Torques the Twinster Unit and Can Fracture the Rear Propeller Shaft (GM Service Update 17109), Recall 16V802: Front Brake Caliper Piston Seal May Leak Brake Fluid on Early-Build 2017 XT5. Of these, 3 are rated critical and should be addressed promptly.
Is the Cadillac XT5 reliable?
The 2017 Cadillac XT5 has 5 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 3 issues are 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) and Rear Differential Clutch Control Module Over-Torques the Twinster Unit and Can Fracture the Rear Propeller Shaft (GM Service Update 17109) and Recall 16V802: Front Brake Caliper Piston Seal May Leak Brake Fluid on Early-Build 2017 XT5. 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 $0 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 Cadillac XT5 Rear Differential Clutch Control Module Over-Torques the Twinster Unit and Can Fracture the Rear Propeller Shaft (GM Service Update 17109)?
2017 XT5 models with AWD (RPO F48) use an electronically controlled twin-clutch rear drive system. On affected vehicles the rear differential carrier can apply higher than commanded torque as mileage accumulates. Applying that torque on a low-traction surface during a low-speed w… Severity: high.
What is the 2017 Cadillac XT5 Recall 16V802: Front Brake Caliper Piston Seal May Leak Brake Fluid on Early-Build 2017 XT5?
General Motors recalled early-production 2017 Cadillac XT5 and GMC Acadia vehicles for front brake calipers that may have a defective piston seal. The seal can allow hydraulic brake fluid to leak past the piston, reducing braking effectiveness and, if it goes unnoticed, dropping… Repairs typically run $0-$0. 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.