The 2013 ATS is GM's rear-drive entry-luxury sedan built on the Alpha platform. While it drives well, the 2.0L turbo engine has catastrophic reliability issues, and transmission cooling plus CUE infotainment failures plague all variants.
2.0L Turbo Catastrophic Engine Failure (Piston Ring / Timing Chain)
Common · high severity
Typical onset: 60,000-110,000 mi
Symptoms: Excessive oil consumption (1 qt per 1,000 mi or worse), Rattling noise on cold start (timing chain stretch), Carbon buildup causing misfires and rough idle, Complete engine seizure or rod knock in severe cases
Fix: The 2.0T LTG engine suffers from defective piston rings causing oil burning and carbon fouling. Timing chain guides also fail prematurely. Minor cases require walnut blasting intake valves (4-5 hrs labor). Major cases need complete engine rebuild or replacement (20-30 hrs). Many shops recommend short-block replacement over rebuild due to machining costs.
Estimated cost: $6,500-12,000
Transmission Oil Cooler Line Failure
Common · high severity
Typical onset: 50,000-90,000 mi
Symptoms: Transmission fluid leaking under vehicle (pink/red fluid), Transmission overheating warnings on dash, Harsh shifting or slipping after fluid loss, Check engine light with trans temp codes
Fix: The quick-connect fittings on transmission cooler lines crack and leak. If not caught early, transmission overheats and clutches burn. Requires replacing cooler lines and often the external cooler itself (3-4 hrs labor). If transmission damage occurred, add rebuild costs.
Estimated cost: $800-1,500 (lines only), $3,500-5,500 (if trans damaged)
CUE Infotainment System Freeze and Failure
Common · low severity
Symptoms: Touchscreen unresponsive or frozen, System reboots randomly while driving, Climate controls inaccessible (integrated into CUE), Backup camera black screen or distorted
Fix: The Cadillac User Experience (CUE) system has widespread software and hardware failures. Early fixes involved reflashing (1 hr), but most units need complete replacement of the CUE module (2-3 hrs labor). Climate controls run through CUE, so failure affects HVAC operation.
Estimated cost: $1,200-2,000
Transmission Mount Collapse
Common · medium severity
Typical onset: 40,000-80,000 mi
Symptoms: Severe clunk when shifting from Park to Drive/Reverse, Vibration at idle in gear, Visible sagging of transmission tailhousing, Drivetrain shudder during acceleration
Fix: The rear transmission mount fails prematurely due to poor rubber compound. Requires lifting transmission slightly to swap mount (2-2.5 hrs labor). Often done with transmission cooler line job since trans must be supported anyway.
Estimated cost: $350-600
Sunroof Drain Tube Clogs and Water Leaks
Occasional · medium severity
Symptoms: Water dripping from headliner onto front seats, Wet carpet in footwells (driver/passenger), Musty smell in cabin, Water pooling in trunk near taillights
Fix: Sunroof drain tubes clog with debris and disconnect at firewall pass-throughs. Water overflows into cabin. Requires removing A-pillar trim, clearing/resealing drain tubes (2-3 hrs labor). Check all four drains (front and rear). If carpet soaked, add drying time to prevent mold.
Estimated cost: $300-700
3.6L V6 Timing Chain Stretch and Guide Failure
Occasional · high severity
Typical onset: 80,000-130,000 mi
Symptoms: Rattling noise from engine on cold start, Check engine light with cam/crank correlation codes (P0017, P0014), Rough idle and hesitation, Complete engine failure if chain jumps timing
Fix: The 3.6L VVT engine uses four timing chains (two primary, two secondary). Guides wear and chains stretch, especially with neglected oil changes. Requires front engine teardown to replace all chains, guides, tensioners, and VVT solenoids (12-16 hrs labor). Failure to address causes valve-to-piston contact.
Estimated cost: $3,500-5,500
Water Pump Failure (2.0L Turbo)
Occasional · medium severity
Typical onset: 60,000-100,000 mi
Symptoms: Coolant leak from front of engine, Engine overheating, Squealing noise from accessory belt area, Low coolant warning light
Fix: The 2.0T water pump is mechanically driven and fails due to bearing or seal issues. Requires removing accessories and timing cover components (4-5 hrs labor). Often done with thermostat housing and hoses as preventive maintenance.
Estimated cost: $700-1,200
Owner tips
If buying a 2.0L turbo model, have a compression test and borescope inspection done first — many already have piston ring damage
Check transmission cooler lines during every oil change — catching leaks early saves the transmission
Use only Dexos-approved synthetic oil and change every 5,000 mi max to slow timing chain wear on all engines
Inspect sunroof drains annually by pouring water in drain channels — preventive cleaning avoids expensive interior damage
Budget for CUE failure if system is original — it's when, not if
Skip the 2.0L turbo entirely due to engine grenading issues; the 3.6L V6 is more reliable but still has timing chain risks — only consider with full service records and a thorough pre-purchase inspection, and budget $2-3K annually for repairs.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
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VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM · 15V558000
2015-09-03
General Motors LLC (GM) is recalling certain model year 2013-2016 Cadillac ATS sedan vehicles manufactured April 23, 2012, to September 2, 2015. In the affected vehicles, the coil antenna module that powers the rear defogger system may generate excessive heat due to excessive cycling or continuous operation.
Consequence: If the coil antenna generates excessive heat, there is an increased risk of a fire.
Remedy: GM will notify owners, and dealers will update the Electronic Climate Control module to remove the automatic rear defogger "on" function, free of charge. The recall began on October 16, 2015. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 15299.
VISIBILITY:SUN/MOON ROOF ASSEMBLY · 15V463000
2015-07-24
General Motors LLC (GM) is recalling certain model year 2013-2016 Cadillac ATS vehicles manufactured April 25, 2012, to June 25, 2015. The affected vehicles may experience the roof panel closing automatically when the non-recessed switches are pressed and the roof panel is open. These vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 118, "Power-Operated Window, Partition, and Roof Panel Systems."
Consequence: Because the switch is not recessed, the roof panel switch may inadvertently be pressed resulting in unintended auto-closure of the roof panel, increasing the risk of personal injury.
Remedy: GM will notify owners and dealers will replace the roof console accessory switch trim plate, free of charge. The recall began on August 19, 2015. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 15568. Note this recall supersedes 15V-106.
SEAT BELTS:FRONT · 14V488000
2014-08-08
General Motors LLC (GM) is recalling certain model year 2013 Buick Encore vehicles manufactured August 23, 2012, to March 1, 2013, and model year 2013 Cadillac ATS vehicles manufactured April 23, 2012, to May 1, 2013. In the affected vehicles, the driver and passenger lap belt pretensioner cables may not lock in a retracted position, allowing the seat belts to extend when pulled upon.
Consequence: If the seat belts do not remain locked in the retracted position when under load, the seat occupant may not be adequately restrained in a crash, increasing the risk of injury.
Remedy: GM will notify owners, and dealers will replace both front the driver's and the passenger's lap belt pretensioners, free of charge. Parts are not currently available. GM sent interim notifications on October 7, 2014 and will send a second notification when remedy parts are available. The recall began on November 20, 2014. Owners may contact Buick customer service at 1-800-521-7300, or Cadillac customer service at 1-800-458-8006. GM's number for this recall is 14171.
SEATS · 14V446000
2014-07-23
General Motors LLC (GM) is recalling certain model year 2013-2014 Buick Encore and Cadillac ATS; 2014 Cadillac CTS, ELR, Chevrolet Caprice and SS vehicles; and 2014-2015 Chevrolet Silverado and GMC Sierra Trucks. Due to an incomplete weld on the seat hook bracket assembly, the front seats in the affected vehicles may not stay secured in place during a high load condition such as a crash.
Consequence: A seat that does not stay secured increases the risk of occupant injury in a vehicle crash.
Remedy: GM will notify owners, and dealers will inspect the seat hook bracket assembly weld and replace the lower seat track, as necessary, free of charge. The recall began on August 15, 2014. Owners may contact GM customer service at 1-800-521-7300 (Buick), 1-800-458-8006 (Cadillac), 1-800-222-1020 (Chevrolet), and 1-800-462-8782 (GMC). GM's number for this recall is 14340.
POWER TRAIN:AUTOMATIC TRANSMISSION · 14V338000
2014-06-19
General Motors LLC (GM) is recalling certain model year 2013-2014 Cadillac ATS vehicles manufactured April 23, 2012, to March 20, 2014, and 2014 Cadillac CTS vehicles manufactured June 10, 2013, to March 20, 2014. In the affected vehicles, the transmission shift cable may detach from either the bracket on the transmission shifter or the bracket on the transmission.
Consequence: If the transmission shift cable detaches while the vehicle is being driven, the transmission gear selection may not match the indicated gear and the vehicle may move in an unintended or unexpected direction, increasing the risk of a crash. Furthermore, when the driver goes to stop and park the vehicle, despite selecting the 'PARK' position, the transmission may not be in 'PARK.' If the vehicle is not in the 'PARK' position there is a risk the vehicle will roll away as the driver and other occupants exit the vehicle or anytime thereafter. A vehicle rollaway increases the risk of injury to exiting occupants and bystanders.
Remedy: GM will notify owners, and dealers will inspect the vehicles to make sure the cable is properly seated at the transmission and shifter brackets, free of charge. The recall is expected to begin in early August 2014. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 14179.
ELECTRICAL SYSTEM · 13V220000
2013-05-24
General Motors LLC (GM) is recalling certain model year 2013 Cadillac ATS and model year 2013 Cadillac XTS; model year 2014 Chevrolet Impala; and 2013 Chevrolet Sonic vehicles. Originally, in May 2013, GM recalled 1,627 model year 2013 Cadillac ATS and model year 2013 Cadillac XTS; and model year 2014 Chevrolet Impala vehicles. In October 2013, GM informed the agency that it was adding model year 2013 Chevrolet Sonic vehicles to this campaign , representing an additional 8,050 units. The total number of vehicles being recalled is now 9,677. On the affected vehicles, the brake lamps may intermittently flash without the brakes being applied and the cruise control may disengage. Thus, these vehicles fail to conform to the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 108, "Lamps, reflective devices, and associated equipment."
Consequence: If the brake lamps flash when the vehicle is not slowing, a following driver may not adjust vehicle speed when the vehicle is in fact braking, and the brake lamps are illuminating as intended, increasing the risk of a crash.
Remedy: GM will notify owners, and dealers will reprogram the body control module. The recall began on June 13, 2013. Owner's may contact Chevrolet at 1-800-630-2438 or Cadillac at 1-866-982-2339. GM's recall number is 13158.
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