This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
full bulletin at NHTSA ↗2008 Cadillac CTS body problems
severe 12 complaints filed with NHTSA · avg repair $1,500 · see body across all vehicles →
Failure mileage
Complaints
12
Recalls
0
Avg fix
$1,500
1crash
When does it fail?
Of the 12 body complaints filed for the 2008 Cadillac CTS, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
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.
What stands out
Of the 6 model years of Cadillac CTS we track for body problems, this one carries the most owner complaints on file — 12.
No new NHTSA body complaint has been filed on this vehicle in over 7 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering body 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 Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
full bulletin at NHTSA ↗This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
full bulletin at NHTSA ↗This Informational bulletin describes warranty part reviews where door glass had chips or scratches.
full bulletin at NHTSA ↗THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON NEW DESIGN CYLINDER HEADS.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2008 CTS shows a pattern of water infiltration that ranges from persistent to catastrophic. Multiple owners describe wet floorboards, water dripping from ceilings, and trunk areas that soak up water during rain exposure, leading to mold accumulation. One owner documented four dealership repair attempts over two years, with the dealership admitting they could not fix the problem and only offering a trade-in that required additional payment. A separate complaint pins the problem to the moonroof, which leaks directly into the cabin and allows water to pool in the trunk.
Door latch problems surface repeatedly. Owners report front doors, especially the right side, becoming progressively harder to open from the outside latch, sometimes failing entirely—forcing entry from the opposite side. One rear passenger door was documented opening on its own while the vehicle was in motion. Both conditions were diagnosed as requiring door assembly replacement but left unrepaired.
Additional structural and design issues compound the safety concerns. Two owners flag the gas pedal's proximity to the brake pedal as hazardous, with one linking it to an accident. One trunk lid will not open via remote, driver door release, or emergency handle. Finally, an owner notes that the A-pillar and side mirror design create a blind spot that obscures pedestrians in crosswalks during turns.
Failure modes owners describe
Water leaks into cabin and trunk
Multiple owners report persistent water intrusion into the cabin (floorboards, ceiling) and trunk area. One owner reports the vehicle soaking with water after overnight rain exposure, leading to mold buildup. Dealership attempts to repair have failed in at least one case despite four service visits and specialist consultation.
When: 12/10/08 documented; affects vehicles at various mileages
Symptoms owners cite: Wet floorboards; Water dripping from ceiling; Water pooling in trunk; Mold growth inside vehicle; Vehicle soaks with water in rain
Repairs/costs cited: Dealership replaced several parts and consulted specialists but was unable to resolve the issue in at least one case
Recalls/TSBs owners mention: Manufacturer offered trade-in option with additional out-of-pocket payment required from owner
Moonroof water leak
Moonroof leaks water directly into the cabin and allows water to accumulate in the trunk area, causing excessive mold buildup when vehicle is exposed to rain overnight.
When: Not specified
Symptoms owners cite: Water leaking from moonroof into cab; Water holding in trunk door area; Mold accumulation
Front door latch failure
Front doors, especially the right front, become progressively harder to open from the exterior latch over time. In some cases, the exterior latch will not open the door at all, forcing the driver to enter from the opposite side and open the door from inside. Owners identify this as a safety hazard in accident or fire scenarios.
When: Develops over time; noted at various mileages between 80,000 and 105,000 miles
Symptoms owners cite: Front door difficult to open from outside; Exterior latch fails to open door; Right front door most affected; Requires opening door from inside
Repairs/costs cited: Dealer quoted $1,800 for repair
Rear passenger door unlatches while vehicle in motion
Rear passenger door unlatches and opens independently while the vehicle is being driven. Dealer diagnosed that the door assembly needs replacement.
When: At 80,000 miles; current mileage was 105,000
Symptoms owners cite: Door unlatches independently while driving; Door opens while in motion
Repairs/costs cited: Door assembly replacement required per dealer diagnosis; vehicle not repaired
Recalls/TSBs owners mention: Manufacturer made aware of failure
Gas pedal positioned too close to brake pedal
The gas and brake pedals are positioned so close together that a driver can depress both pedals simultaneously with a single foot motion. One owner reported this spacing caused an accident; multiple owners experienced the hazard on several occasions without accidents.
When: Not specified
Symptoms owners cite: Can hit both pedals at same time; Accidental dual pedal depression while driving
Recalls/TSBs owners mention: GM refused to address the issue and refused to provide written documentation of refusal
Trunk lid latch failure
Trunk lid will not open using the remote device or the driver's door trunk release button. The latch engages but does not release. The emergency trunk release handle accessible via the rear seat pass-through also fails to open the trunk.
When: Not specified
Symptoms owners cite: Trunk will not open via remote; Trunk will not open via driver door release; Latch engages but does not release; Emergency release handle ineffective
Blind spot from A-pillar and side mirror design
The placement and size of the side mirrors combined with the A-pillar design create a significant blind spot. Owners report difficulty seeing pedestrians in crosswalks when attempting to turn, creating a visibility hazard.
When: Not specified
Symptoms owners cite: Blind spot in side mirror view; A-pillar obstructs visibility; Difficulty seeing crosswalk pedestrians
Abnormal noise from front and rear
Abnormal noise reported coming from both the front and rear of the vehicle while driving. Vehicle was not diagnosed or repaired, and manufacturer was not notified.
When: At approximately 100,000 miles
Symptoms owners cite: Abnormal noise from front; Abnormal noise from rear; Noise present at 60 mph
Synthesized from 12 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 3 most recent
Front doors on 2008 Cadillac cts4 , especially r.f have become harder to open over last 2 years. The r.f door at times will not open from outside latch, have to enter car from l.s. And open r door fron inside. This is extremely dangerous in case of accident or fire.dealer wants $1800.00 to repair. I have been a gm fan for 60 years and from previous experiences with gm, have
Finish up on previous complaint concerning front door latches on 2008 Cadillac cts4 that will not allow front doors to open from the outer latches setting up a dangerous situation in case of accident or fire. The dealer that diagnosed the problem didn't seem to take it to serious, a mere $1800.00 should fix it. Hope you people realize the possible danger involved here. Thanks
Purchased vehicle in 2/08; 12/10/08 - noticed car was wet in floorboards and ceiling; since 12/08, dealership has attempted to repair vehicle 4 times; car is still leaking; dealership replaced several parts and called a specialists to try to solve the problem; dealership admits they cannot correct the problem; the manufacturer has offered a trade option to me with me paying money out of…
Had body trouble with your 2008 Cadillac CTS?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the body problem on the 2008 Cadillac CTS?
It's a meaningful issue. 12 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $1,500.
At what mileage does the body typically fail?
Across the 8 complaints that reported odometer mileage, most body failures cluster between 21,374 and 150,000 miles, with the median around 80,000. A quarter of owners report trouble before 21,374; a quarter make it past 150,000. 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 $1,500 for body 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 body?
No active recalls currently cover body 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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2008/Cadillac/CTS.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.