2017 Cadillac XTS

Here is a comprehensive breakdown of common issues and complaints for the 2017 Cadillac XTS, categorized by component and specific to engine/transmission options where applicable.

The 2017 Cadillac XTS is a full-size luxury sedan known for its spacious interior, comfortable ride, and elegant styling. Engine options include a 3.6L V6 (304 hp, 264 lb-ft torque) and a 3.6L Twin-Turbo V6 (410 hp, 369 lb-ft torque). Both engines are paired with a 6-speed automatic transmission. Owners generally appreciate the XTS for its smooth ride, quiet cabin, and user-friendly infotainment system. Some criticisms include the somewhat dated design, less agile handling compared to some competitors, and the occasionally clunky operation of the 6-speed transmission.

Engine

3.6L V6 (LGX)

• High Pressure Fuel Pump (HPFP) Failure
  • Description/Symptoms: Engine stalling, difficulty starting, check engine light illuminated.
  • Solution: Replace the high-pressure fuel pump.
  • Estimated Cost to Fix: $800 - $1200+
  • Recalls: None Found
• Timing Chain Wear/Stretching
  • Description/Symptoms: Rattling noise from the engine, especially on start-up. Check engine light illuminated with codes related to timing. Can lead to performance issues if not addressed.
  • Solution: Replace the timing chain, guides, and tensioners.
  • Estimated Cost to Fix: $1500 - $2500+
  • Recalls: None Found
• Excessive Oil Consumption
  • Description/Symptoms: Low oil level warnings, needing to add oil frequently between oil changes, blue smoke from exhaust.
  • Solution: Could be caused by worn piston rings or valve stem seals. Requires engine disassembly to diagnose and repair. Replacement of piston rings or valve stem seals will depend on the damage.
  • Estimated Cost to Fix: $2000 - $5000+ depending on severity.
  • Recalls: None Found

3.6L Twin-Turbo V6 (LF3)

• Turbocharger Failure
  • Description/Symptoms: Loss of power, whistling noise from the engine bay, check engine light illuminated.
  • Solution: Replace the faulty turbocharger.
  • Estimated Cost to Fix: $2000 - $4000+ (per turbo if only one fails)
  • Recalls: None Found
• Oil Leaks from Turbocharger Lines
  • Description/Symptoms: Visible oil leaks, burning oil smell.
  • Solution: Replace the leaking oil lines and fittings.
  • Estimated Cost to Fix: $500 - $1000+
  • Recalls: None Found
• High Pressure Fuel Pump (HPFP) Failure
  • Description/Symptoms: Engine stalling, difficulty starting, check engine light illuminated.
  • Solution: Replace the high-pressure fuel pump.
  • Estimated Cost to Fix: $800 - $1200+
  • Recalls: None Found

Transmission

6-Speed Automatic (6T70/6T75)

• Harsh Shifting/Slipping
  • Description/Symptoms: Hard shifts between gears, transmission slipping, delayed engagement. Can be more pronounced when cold.
  • Solution: Could be due to worn valve body, internal transmission damage or low fluid levels. Diagnosis required to determine the root cause. Replacement of valve body or full transmission rebuild/replacement might be necessary.
  • Estimated Cost to Fix: $500 (valve body) - $4000+ (transmission replacement)
  • Recalls: None Found
• Torque Converter Shudder
  • Description/Symptoms: Vibration or shuddering during light acceleration, especially at lower speeds.
  • Solution: Replacement of the torque converter.
  • Estimated Cost to Fix: $1000 - $2000+
  • Recalls: None Found

Suspension

• Magnetic Ride Control (MRC) Failure
  • Description/Symptoms: Rough ride, reduced handling performance, service suspension system message. This is most common to occur due to age or corrosion of the damper assembly.
  • Solution: Replace the faulty magnetic ride control shocks/struts.
  • Estimated Cost to Fix: $800 - $1500+ per shock/strut (parts and labor)
  • Recalls: None Found

Electrical

• CUE Infotainment System Issues
  • Description/Symptoms: Unresponsive touchscreen, lagging performance, system freezing, delamination of the screen.
  • Solution: Replacement of the CUE screen or entire unit.
  • Estimated Cost to Fix: $500 - $1500+ depending on whether it’s the screen or full module replacement.
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Dead battery, needing frequent jump starts.
  • Solution: Diagnose and repair the source of the parasitic drain. This could be a faulty module, wiring issue, or accessory.
  • Estimated Cost to Fix: $100 - $500+ depending on the complexity of the issue.
  • Recalls: None Found

Exterior

• Headlight Condensation
  • Description/Symptoms: Moisture buildup inside the headlight housing.
  • Solution: Replacement of the headlight assembly or resealing of the existing unit.
  • Estimated Cost to Fix: $500 - $1500+ per headlight, depending on replacement vs. repair.
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, unusual noises.
  • Solution: Diagnosis and repair of the sunroof mechanism, which could involve replacing the motor, tracks, or other components.
  • Estimated Cost to Fix: $300 - $1000+ depending on the specific issue.
  • Recalls: None Found

Summary

The 2017 Cadillac XTS, while a comfortable and luxurious sedan, does have some common issues. Engine problems such as HPFP failure, timing chain issues, and turbocharger issues (on the turbo variant) can be costly. The 6-speed transmission can also exhibit problems, primarily rough shifting and torque converter shudder. The MRC suspension and CUE infotainment system are also prone to failures. Overall, potential buyers should be aware of these issues and factor in potential repair costs when considering a used 2017 XTS. The severity and cost of the issues vary widely, but some repairs can be quite expensive, especially those related to the engine, transmission, and suspension.