2021 Cadillac XT5 Problems: 7 Known Issues
2021 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 2021 Cadillac XT5 has 7 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), Recall 21V422: Improperly Seated Fuel Supply Line Can Separate and Leak Gasoline ($0-$0 repair) and 9T65 Nine-Speed Low-Mileage DTCs: Snap Ring and Valve/Solenoid Body Diagnosis (Bulletin 20-NA-136, 2021-2024). DIY maintenance guides at au7o.io.
2021 · All trims · 2.0L turbo I4 (LSY)
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All 7 Known Issues
NHTSA Recalls10 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.
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
General Motors, LLC (GM) is recalling certain 2023-2025 Cadillac XT5 and 2024-2025 Cadillac XT6 vehicles. The instrument panel may not illuminate when the hazard warning lights, high beams, or turn signals are activated. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 101, "Controls and Displays" and 108, "Lamps, Reflective Devices, and Assoc. Equipment."
AIR BAGS:FRONTAL
General Motors, LLC (GM) is recalling certain 2024 Cadillac XT5 vehicles. The driver's front air bag cushion may tear during deployment, resulting in the air bag not deploying as intended.
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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 2021 Cadillac XT5 has 7 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), Recall 21V422: Improperly Seated Fuel Supply Line Can Separate and Leak Gasoline, 9T65 Nine-Speed Low-Mileage DTCs: Snap Ring and Valve/Solenoid Body Diagnosis (Bulletin 20-NA-136, 2021-2024). Of these, 3 are rated critical and should be addressed promptly.
Is the Cadillac XT5 reliable?
The 2021 Cadillac XT5 has 7 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 Recall 21V422: Improperly Seated Fuel Supply Line Can Separate and Leak Gasoline and 9T65 Nine-Speed Low-Mileage DTCs: Snap Ring and Valve/Solenoid Body Diagnosis (Bulletin 20-NA-136, 2021-2024). 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 $0, 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 2021 Cadillac XT5 Recall 21V422: Improperly Seated Fuel Supply Line Can Separate and Leak Gasoline?
GM recalled 2021 Cadillac XT5 and XT6 and GMC Acadia vehicles on which the fuel supply line may not have been fully seated and locked at the quick-connect fitting during assembly. An unseated line can loosen or separate under fuel system pressure and vibration, spraying gasoline… Repairs typically run $0-$0. Severity: high.
What is the 2021-2024 Cadillac XT5 9T65 Nine-Speed Low-Mileage DTCs: Snap Ring and Valve/Solenoid Body Diagnosis (Bulletin 20-NA-136, 2021-2024)?
GM bulletin 20-NA-136 (May 2024) gives a diagnostic and repair strategy for 9T65 nine-speed automatics (RPO M3W/M3V) in 2021-2024 XT5 and related GM crossovers that set transmission DTCs with less than 12,000 miles on the odometer. It points technicians to PIP5974 for a clutch sn… Severity: high.
What is the 2020-2021 Cadillac XT5 Recall 22V709: Improperly Crimped Surround Vision Coaxial Cable Kills the Rearview Camera Image?
On 2020-2021 XT5, XT6 and GMC Acadia models optioned with Surround Vision, the coaxial cable connector feeding the rear camera may be improperly crimped. The connection degrades and the rearview image goes black, freezes, or fails to appear when reverse is selected. Repairs typically run $0-$0. Severity: medium.
What is the 2020-2021 Cadillac XT5 Low-Speed TCC Shudder Must Be Confirmed Before a Fluid Drain and Fill?
GM PIP5608F covers 2020-2021 XT5 vehicles with 9-speed transmissions RPO M3G or M3W when torque-converter clutch shudder occurs on re-apply after a shift at 40 mph or below. GM identifies possible excessive assembly lubricant in the fluid and requires confirmation with TCC slip d… Severity: medium.
What is the 2020-2025 Cadillac XT5 2.0L Turbo (LSY) Camshaft-Carrier T-Joint Oil Leak Diagnosis — GM 21-NA-240?
GM 21-NA-240, revised January 2025, addresses oil leaks on LSY-equipped vehicles including the XT5. An improper amount of sealant at the cam carrier can be a cause. Oil from this area can appear to originate at the camshaft carrier, front cover, lower oil pan or timing-chain uppe… 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.