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2011 Cadillac CTS airbags problems
severe
Owners of the 2011 Cadillac CTS have filed 20 NHTSA complaints about the airbags, typically surfacing around 75,000 miles at roughly $1,100 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation.See airbags across all vehicles →
Failure mileage
Q1 31kmed 75kQ3 101kn=14
Complaints
20
Recalls
1
Avg fix
$1,100
airbags complaints on the Cadillac CTS, by model year
Of the 20 airbags complaints filed for the 2011 Cadillac CTS,
here's the actual mileage breakdown — failures cluster heaviest at 100,000-125,000 mi.
0-25k
1 (20%)
25-50k
0 (0%)
50-75k
0 (0%)
75-100k
1 (20%)
100-125k
2 (40%)
125-150k
1 (20%)
150k+
0 (0%)
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
Airbags accounts for 19% of all owner complaints filed against this vehicle, across 8 categories tracked.
No new NHTSA airbags complaint has been filed on this vehicle in over 6 years — the issue may be aging out of the active population.
General Motors LLC (GM) is recalling certain model year 2011 Cadillac CTS vehicles manufactured October 18, 2010, to June 2, 2011
If the roof rail air bags deploy unexpectedly, there is an increased risk of crash and injury to the occupants.
Fix: GM will notify owners, and dealers will replace the rear drive shaft assembly, free of charge. General Motors distributed an interim letter to owners on August 27, 2014. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 14233.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering airbags 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.
Service BulletinPIC5650JJul 2021
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
This technical bulletin provides a procedure to complete a terminal replacement or connector re connection to correct a condition of Diagnostic Information for Supplemental Inflatable Restraint (SIR) System, Intermittent AIR BAG Indicator/Lamp Illuminated with DTC(s) B0012, B0013, B0015, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 or B0044 Set (Inspect and Replace Connector Position Assurance (CPA) Retainer)
This informational bulletin provides Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices
In situations where your vehicle side doors will not open from INSIDE the vehicle due to low or no battery voltage, such as a discharged or disconnected battery, or if the vehicle is entered without the key fob or the fob is not working, the driver and passenger side doors can be opened from the inside of the vehicle by using the manual release levers located on the floor between the seats and the door openings.
PASSENGER PRESENCE SYSTEM (PPS) MAY COMMAND PASSENGER AIRBAG INDICATOR AND SEAT BELT REMINDER ON WHEN ELECTRONIC DEVICES (COMPUTERS, MP3 PLAYERS, CELL PHONES, DIAGNOSTIC SCAN TOOL, ETC.) ARE PLACED ON FRONT PASSENGER SEAT, DTCS 5045 OR B0074 0F SET IN PPS MODULE. UPDATED 2/21/13.
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners cite six distinct airbag problems. The most common is the passenger presence sensing module (occupant sensor) failure, which triggers the "Service Air Bag" or "Check Air Bag" warning light and automatically disables passenger-side airbags. This happens at various mileages and recurs even after dealer service; some owners report the warning light goes off temporarily then comes back on. The sensor part responsible for detecting occupant weight has been discontinued on some models, leaving vehicles unfixable.
A separate harness failure has occurred on at least one vehicle, requiring replacement of part 20973030. The owner notes this appears recurring across the CTS platform.
The most serious issue is actual airbag non-deployment during crashes—including a 55 mph side impact, rear-end collisions, frontal impacts, and crashes at 25–30 mph. In these incidents, front and side airbags simply did not deploy. Dealers and the manufacturer have offered no explanation or assistance. One owner suffered a concussion from a side impact where airbags failed to deploy. Dealers told owners no recall exists for these failures.
A Takata inflator propellant degradation recall (16V381/2049151) also affects some 2011 models, particularly those in hot, humid climates, though the remedy remained unavailable as of mid-2016. One owner also reported unexpected side curtain airbag deployment during normal driving.
Same Cadillac CTS airbags reports on nearby years: 2013
The passenger side presence sensor or occupant detection module fails, causing the 'Service Air Bags' or 'Check Air Bag' warning light to illuminate. When this module fails, the passenger side airbags are automatically disabled as a safety measure. The module detects occupant weight to determine airbag deployment. Owners report the warning light comes on intermittently or persistently regardless of whether a passenger is present.
When: 20,000–101,000 miles; one failure at 48,000 miles
Symptoms owners cite: Service Air Bag warning light illuminated; Check Air Bag warning light illuminated; Passenger airbags disabled when warning light is on; Warning light comes on intermittently or intermittently clears then returns; Warning light triggered during turns or driving
Codes mentioned:Passenger side air bag sensor fault, Occupant sensing module fault
Repairs/costs cited: Replacement of passenger side air bag sensor located inside the seat (part number mentioned: 20973030 for harness). Some dealers report the part has been discontinued and unavailable.
Recalls/TSBs owners mention: GM Recall 08373 applied to first-generation Cadillac CTS for similar occupant sensor issue; second-generation CTS (2011 model) has not been recalled for this condition. Some owners were told no solution would be offered.
Airbag Harness Failure
The airbag harness system fails prematurely, requiring replacement. Owner notes this appears to be a recurring problem across the CTS platform and should be added to GM's recall list.
Repairs/costs cited: Replacement with part 20973030 performed. Owner was not reimbursed for out-of-warranty repair.
Airbag Non-Deployment in Crash
Front and side airbags fail to deploy during actual crashes, including high-speed impacts. Owners report multiple incidents—rear-end collision at 35 mph, severe front-end damage from parked vehicle impact, 55 mph side impact crash, and 25–30 mph crash into fixed object—where airbags did not deploy.
When: Varies; one occurrence at 20,000 miles, another at 75,000 miles, one at 31,000 miles
Symptoms owners cite: Front airbags did not deploy during rear-end collision; Front airbags did not deploy during frontal crash; Side curtain airbags did not deploy during 55 mph side impact; Airbags failed to deploy during collision at 25–30 mph
Repairs/costs cited: Cause unable to be determined at dealer in at least one case. No parts specified.
Recalls/TSBs owners mention: Manufacturer stated no recall exists for airbag defects; no assistance offered.
Unexpected Side Curtain Airbag and Seat Belt Pretensioner Deployment
Side curtain airbags and seat belt pretensioners deploy during normal driving maneuvers without any rollover or emergency condition present. Owner was driving in a 'sporting manner' (aggressive driving) and the safety systems activated unnecessarily.
When: During normal operation
Symptoms owners cite: Side curtain airbags deployed without cause; Seat belt pretensioners fired without cause; Deployment occurred during normal driving maneuvers
A Takata inflator defect affecting certain 2007–2011 GM vehicles has been identified. The propellant in Takata airbag inflators can degrade over time, especially in hot and humid climates, and may rupture during deployment. GM petitioned NHTSA for inconsequentiality; the recall remedy was not yet available as of the complaint date (May 2016). The defect applies to passenger airbag inflators supplied to GM.
When: Long-term exposure in hot, humid climates accelerates propellant degradation
Recalls/TSBs owners mention: NHTSA Recall 16V381 / GM Manufacturer Recall 2049151; recall status incomplete, remedy not yet available as of May 2016. GM granted until August 2017 to submit petition data.
Service Air Bag Warning Light—Unresolved After Dealer Service
Owners report the 'Service Air Bag' warning light persists or returns intermittently even after dealer inspection or attempted wiring correction. One owner had wiring checked and the light turned off momentarily but came back on repeatedly.
When: Various mileages (95,000 miles in one case)
Symptoms owners cite: Service Air Bag warning light illuminated; Light remains on or recurs after dealer service; Light may be intermittent
Codes mentioned:NHTSA Campaign 14V341000 mentioned as possible related campaign
Repairs/costs cited: Dealer service (wiring check) did not resolve the issue permanently.
Synthesized from 20 NHTSA owner complaints — unverified consumer
allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting
8 most recent
airbags · 112,000 mi
· filed 12/18/2019
On 12-2-19 at 730am eastern time, I was involved in a 55 MPH side impact crash to the right side of the vehicle by a semi truck on interstate 475 north in toledo, ohio, mile marker 10, near holland, ohio. No side impact airbags deployed. Vehicle is in 100% excellent maintained condition. No fault codes. Vehicle structure maintained very well for a highway speed crash, however, I have a…
airbags
· filed 12/16/2021
The air bag light comes on intermittently. It has been identified as a problem on several of the CTS and CTS-V forums.
airbags · 101,000 mi
· filed 12/03/2018
Tl* the contact owns a 2011 Cadillac cts-v. While operating the vehicle, the passenger side air bag indicator remained illuminated. The vehicle was taken to rick hendrick city Chevrolet (5101 east independence blvd, charlotte, nc) where it was diagnosed that the passenger side air bag sensor located inside the seat was faulty and needed to be replaced. The vehicle was not repaired. The contact…
airbags
· filed 11/30/2017
While driving the vehicle the passenger seatbelt light comes on with or without a passenger being present. I took vehicle to the dealer and was told the passenger detection module was going out and when the seat belt light comes on the passenger side air bags are disabled meaning the airbags will not function if I were to get into an accident....I was also told that this module is necessary…
airbags
· filed 11/22/2023
My air bag light is on. I brought it to the dealer for repair. The dealer told me the airbag is unfixable due to the fact that the "Passenger seat presence sensor is broken and no longer manufactured". I now have a car that is fully functional aside from this issue and it's unsafe to drive. The dealer also refused to buy the car back from me for fair market value.
airbags · 20,000 mi
· filed 10/25/2017
Tl* the contact owns a 2011 Cadillac cts. While driving 35 MPH, the brakes malfunctioned. When the brake pedal was depressed, the vehicle failed to stop and rear ended another vehicle. The air bags did not deploy. A police report was filed. There were no injuries sustained. The vehicle was towed to an unknown location. Bentley Cadillac in florence, alabama 35630 was made aware of the crash and…
airbags · 82,000 mi
· filed 10/22/2018
Airbag sensor detects problem with passager airbag.
airbags · 129,851 mi
· filed 10/21/2019
The airbag indicator has come on. I own two Cadillac vehicles and coincidentally the escalade has an airbag recall and, the same indicator light has illuminated on both vehicles. I am concerned that this recall is a potential hazard. We live in florida where it's hot, so we constantly drive in the sun. For the recall to be unresolved and now both indicators for airbags are illuminated I believe…
Had airbags trouble with your 2011 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 airbags problem on the 2011 Cadillac CTS?
It's a meaningful issue. 20 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $1,100.
At what mileage does the airbags typically fail?
Across the 14 complaints that reported odometer mileage, most airbags failures cluster between 31,000 and 101,000 miles, with the median around 75,000. A quarter of owners report trouble before 31,000; a quarter make it past 101,000. 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 $1,100 for airbags 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 airbags?
Yes — 1 active recall(s) cover airbags issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.
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/2011/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.