This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
full bulletin at NHTSA ↗2013 Cadillac XTS suspension problems
moderate Owners of the 2013 Cadillac XTS have filed 24 NHTSA complaints about the suspension, typically surfacing around 70,000 miles at roughly $900 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See suspension across all vehicles →
| Model year | suspension complaints |
|---|---|
| 2013 XTS (this page) | 24 |
| 2014 XTS | 8 |
| 2017 XTS | 3 |
Suspension accounts for 23% of all owner complaints filed against this vehicle, across 8 categories tracked.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering suspension on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
full bulletin at NHTSA ↗This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
full bulletin at NHTSA ↗This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
full bulletin at NHTSA ↗This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for furthe
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2013 XTS air suspension system is failing repeatedly and dangerously. Owners describe the rear end dropping to the ground with little warning—sometimes after just a short drive, sometimes after months of trouble-free operation. At highway speeds (50–70 mph), this causes violent bouncing, loss of control, and near-accident situations. The "Service Leveling System" warning appears on the dashboard, but in many cases, restarting the engine raises the car temporarily, only for it to drop again within minutes or hours.
The failure modes include a non-functioning air compressor that runs but doesn't inflate the springs, actual rupture or burst of the rear air bladders (one owner reported both exploding with a loud bang while driving), and detachment of suspension components like the stabilizer bar. Front struts and shocks also fail prematurely, leaving owners with a go-cart-like ride over minor bumps.
Dealers consistently report needing to replace the air compressor, air springs, struts, and the air suspension control module—repairs running $1,700 and up. Multiple owners have visited dealerships repeatedly with no permanent fix. No recall has been applied to most VINs in these complaints. Extended warranties often do not cover these failures. By 80,000–100,000 miles, the suspension is frequently inoperable and the vehicle unsafe to drive.
Failure modes owners describe
Rear air suspension loss of pressure
Rear suspension deflates or loses air pressure while driving or at rest, causing the rear end to drop suddenly to the ground or near-ground level. The system may raise again after engine restart, but fails repeatedly. Air compressor may fail to engage or raise the vehicle.
When: Occurs between 49,000 and 200,000 miles; some owners report first occurrence after just 3–6 months of ownership; often without warning while driving at highway speeds
Symptoms owners cite: Rear end drops to ground or near-ground level; Scraping undercarriage and tires on pavement; Violent bouncing or unstable handling; Harsh, go-cart-like ride quality; Air compressor runs but fails to raise vehicle; Dashboard warning: 'Service Leveling System' or 'Leveling Device Service Needed'; Loss of vehicle control at highway speeds
Codes mentioned: Leveling system warning indicator, Check Leveling System message
Repairs/costs cited: Dealers report need for air compressor replacement, air springs, air hose replacement, and strut replacement. Owners cite repair costs of $1,700+ for control module alone; compressor replacement and multiple struts can exceed several thousand dollars. Compressor parts often not readily available.
Recalls/TSBs owners mention: No recalls found in narratives for the majority of VINs; one owner mentioned researching a recall but VIN was not covered. Some owners purchased extended warranties to 85K miles but suspension failures occurred within warranty period. Dealer TSB or recall program not mentioned.
Rear air spring/air bladder failure
Rear air springs (bladders) rupture, burst, or fail, causing immediate loss of suspension support and dropping the vehicle. Described as loud explosion or sudden collapse. One owner reported both rear air bladders exploded.
When: At 49,000 miles (driver-side air bag fell from underneath); at highway speeds (70 mph) causing 'explosion' and 6-inch drop
Symptoms owners cite: Loud explosion or popping sound; Immediate drop of rear end; Vehicle swerving at highway speed; Air bladder visibly detached or fallen from vehicle; Sudden loss of suspension support
Codes mentioned: Leveling Device Service Needed warning
Repairs/costs cited: Dealer diagnosis: 'both air bladders exploded'; replacement air springs required. Owner reported $1,700+ estimate for air suspension control module and related repairs.
Recalls/TSBs owners mention: No recall or TSB mentioned in narratives.
Stabilizer bar detachment
Stabilizer bar (sway bar) detaches from its mounting points, causing suspension imbalance and unsafe handling. Diagnosed on self-inspection.
When: At approximately 200,000 miles
Symptoms owners cite: Rear suspension bouncing excessively; Vehicle difficult to maneuver; Dashboard warning: 'Check Leveling System'; Suspension off balance
Repairs/costs cited: Owner self-diagnosed; vehicle not repaired at time of complaint.
Recalls/TSBs owners mention: No recall found for this VIN.
Front strut and shock failure
Front struts and shocks fail or become stuck in extended position, causing extremely harsh ride quality and loud noise over bumps. Struts may be frozen or unresponsive.
When: At 80,000–84,000 miles; complaint ongoing as of 2016 inspection
Symptoms owners cite: Loud noise on bumps (sounds like suspension is failing); Ride feels like a go-cart; Front strut frozen or stuck; Harsh, jolting ride over minor bumps; Whole front end sounds like it's about to fall out
Repairs/costs cited: Dealers report strut replacement needed; one owner cited $700 per strut cost. Repair not covered under extended warranty in at least one case. Replacement did not resolve recurring issues in some cases.
Recalls/TSBs owners mention: Extended warranty may not cover strut repairs.
Air suspension control module failure
Air suspension control module malfunctions or fails completely, disabling the automatic leveling system. Vehicle becomes difficult to control and continues to bounce uncontrollably.
When: At 56,000 miles, immediately after other suspension service
Symptoms owners cite: Vehicle bounces uncontrollably after dealer repair; Loss of air suspension function; Uncontrolled bouncing during highway driving; Module failure detected post-repair
Codes mentioned: Air Suspension Control Module failure
Repairs/costs cited: Dealer estimate: $1,700+ for control module replacement. Owner unable to afford repair; vehicle subsequently non-drivable and grounded.
Recalls/TSBs owners mention: No recall mentioned; owner asked if vehicle qualifies for recall.
Leveling system relay or electronic control failure
Internal relay or electronic control element fails, preventing the air compressor from engaging or raising the suspension properly. Compressor may run but not inflate the air springs.
When: Variable mileage; recurring across multiple owner experiences
Symptoms owners cite: Air compressor runs but does not raise vehicle; Leveling system does not function automatically; Repeated failures even after relay replacement; System intermittently operational
Codes mentioned: Leveling system warning light
Repairs/costs cited: One dealer replaced a relay switch but problem persisted. Owners report multiple dealer visits with no permanent fix.
Recalls/TSBs owners mention: No recall or permanent repair program documented in narratives.
Synthesized from 24 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Common questions
How serious is the suspension problem on the 2013 Cadillac XTS?
It's a documented issue but not catastrophic. 24 complaints have been filed. Repairs average $900 and most owners catch it before it causes a breakdown.
At what mileage does the suspension typically fail?
Across the 18 complaints that reported odometer mileage, most suspension failures cluster between 49,000 and 82,000 miles, with the median around 70,000. A quarter of owners report trouble before 49,000; a quarter make it past 82,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $900 for suspension 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 suspension?
No active recalls currently cover suspension 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.