Message Displayed on 2017 Cadillac XT-5 "Steering Assist is Reduced - Drive With Care". No check engine light, and no apparent loss of steering. Noted that Temperature Gauge and Air Conditioning ceased to work. Suspiciously, a 2019 Cadillac XT-5 that I also own, the identical displayed message came on, with identical same mechanical issue, and just learned that an acquaintance with a newer Chevy…
2017 Cadillac XT5 steering problems
moderate 14 complaints filed with NHTSA · avg repair $700 · see steering across all vehicles →
When does it fail?
Of the 14 steering complaints filed for the 2017 Cadillac XT5, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Of the 4 model years of Cadillac XT5 we track for steering problems, this one carries the most owner complaints on file — 14.
The failure pattern owners describe
Owners consistently describe a "Steering Assist is Reduced - Drive With Care" warning that appears on the dashboard, often accompanied by hard steering or complete loss of power assist. Multiple complaints tie this warning to a defective thermostat sending false overheating signals; GM issued Technical Service Bulletin #17-NA-158 in May 2017, but owners were not notified. The power steering assist module frequently requires replacement, yet parts are on backorder, leaving owners stranded and out of pocket once warranty expires around 85,000 miles.
Early-ownership reports included rough suspension with constant wheel shaking and loss of traction over bumps, causing lane deviation in curves. Steering noise—whining and clicking—was found to involve a loose mechanical item during service, but the same noise returned within weeks.
Dashboard warnings often appear in clusters: Check Engine Light alongside Service StabiliTrak and parking brake engagement warnings, sometimes while driving at highway speeds. One owner at under 2,000 miles experienced the vehicle shut down on the highway with multiple warnings. Dealers struggle to pin down root causes and frequently cite parts on backorder or cannot replicate issues during inspection, leaving owners frustrated over repeated trips and out-of-warranty repair costs.
Same Cadillac XT5 steering reports on nearby years: 2018
Failure modes owners describe
Steering Assist Reduced Message / Power Steering Failure
Dashboard alert 'Steering Assist is Reduced - Drive With Care' appears, often accompanied by hard steering or loss of power steering functionality. Owners report the power steering assist module or related steering assembly component fails. Multiple owners cite a defective thermostat sending false overheating signals that trigger the steering assist warning.
When: Varies: reported at 78,146 miles, 87,675 miles, and intermittently within first year of ownership; one case at under 2,000 miles
Symptoms owners cite: Dashboard warning 'Steering Assist is Reduced - Drive With Care'; Hard steering or loss of power steering assist; Check Engine Light illuminates; Thermostat-related false overheating signal; AC stops working when steering assist warning appears; Windshield defrost inoperative
Codes mentioned: P0128
Repairs/costs cited: Power steering assist module replacement needed; parts frequently on backorder. Thermostat replacement requiring 4.5 hours labor. One dealer found a loose mechanical item during service; issue recurred 3 weeks later.
Recalls/TSBs owners mention: GM issued Technical Service Bulletin #17-NA-158 in May 2017. Dealers aware but owners were not notified. Limited/no warranty coverage for owners slightly out of 85,000-mile warranty period. Cadillac refuses goodwill coverage.
Suspension Harshness and Handling Instability
Suspension exhibits excessive harshness with continuous wheel shaking. Vehicle loses traction and deviates from lane when hitting bumps or road depressions, particularly in curves. One owner theorizes the poor suspension handling is causing steering issues.
When: Early ownership (8,300 miles at first report); recurring after 3 weeks of service attempt
Symptoms owners cite: Wheels feel like they are constantly shaking; Rough ride over bumps; Vehicle loses traction over bumps or road depressions; Steering control loss momentarily when hitting bumps; Vehicle skips across road surface in curves when hitting bumps; Lane deviation from normal traction loss
Repairs/costs cited: Dealer inspected; no issues found or repeated during service visits. Problem present in owned XT5 but not in loaner vehicle of same model.
Steering Noise (Whining/Clicking)
Loud whining or clicking noise from steering. Dealer service in July found a loose mechanical item; same noise returned 3 weeks later.
When: Early ownership (around 8,300 miles); recurring within 3 weeks of repair
Symptoms owners cite: Loud whining noise from steering; Loud clicking noise from steering
Repairs/costs cited: Loose mechanical item found and serviced in July; issue recurred 3 weeks post-repair
Stability Control / Parking Brake Warning
StabiliTrak warning and parking brake engagement warning appear, particularly at stop lights or stop signs. Owner reports this is a common warning that causes stability sensors to malfunction and increases crash risk.
When: Occurs at stops (traffic lights, stop signs); frequency not specified
Symptoms owners cite: StabiliTrak warning appears; Parking brake warning appears; Warnings occur when vehicle is stationary at traffic light or stop sign; Service StabiliTrak light illuminates
Multiple Warning Lights and Engine Shutdown While Driving
Vehicle displays multiple simultaneous warnings (Check Engine, Service Brake Assist, Service StabiliTrak, parking brake engagement) while driving. One owner reports vehicle shut down on highway with multiple engine malfunction warnings.
When: At 45 mph traffic, under 2,000 miles; highway driving
Symptoms owners cite: Check Engine Light; Service Brake Assist light; Service StabiliTrak light; Parking brake engaged (electrically); Vehicle engine shut down while driving; Multiple simultaneous warning lights
Repairs/costs cited: Dealer did not find concrete problem during inspection on one case with under 2,000 miles
Synthesized from 14 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 4 most recent
Message Powersteering Assist is reduced. This could cause steering problems and a potential collision. Cause is due to failure of thermostat design and insta llation. Believe an investigation is possibly warranted. GM issued a service bulletin making dealers aware of the faulty design in May 2017. But consumers were not advised of the danger.
I was driving in traffic, about 45mph, when the parking brake came on, I got a check engine light, service brake assist, service stabilitrack and one other light on. I managed to keep it running enough to not get rear-ended, but it is not safe. The dealer now has it, and I am in a loaner. The car has less than 2000 miles on it, and this is the second check engine light (the first did not involve…
Multiple issues with garage remote control buttons not functioning. Issue with driver seat not vibrating when vehicle ventures out of lane with "lane assist" feature on. Vehicle shut down while driving on highway sending multiple warnings about engine malfunction, parking brake on, etc.
Common questions
How serious is the steering problem on the 2017 Cadillac XT5?
It's a documented issue but not catastrophic. 14 complaints have been filed. Repairs average $700 and most owners catch it before it causes a breakdown.
At what mileage does the steering typically fail?
Based on the 14 complaints filed, steering issues most often appear around 35,787 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $700 for steering repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to steering?
No active recalls currently cover steering issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.