2015 Cadillac XTS Service and Repair Manual

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Factory-Grade Data

2015 Cadillac XTS service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • Livery Limousine 4-Door
  • Premium Sedan 4-Door
  • Platinum Sedan 4-Door
  • Vsport Platinum Sedan 4-Door
  • Base Sedan 4-Door
  • Livery Hearse 4-Door
  • Vsport Premium Sedan 4-Door
  • Luxury Sedan 4-Door

Engines covered

  • 3.6L 3564CC 217Cu. In. V6 GAS DOHC Naturally Aspirated
  • 3.6L 3564CC 217Cu. In. V6 GAS DOHC Turbocharged

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2015 Cadillac XTS Recalls & Complaints

NHTSA #15V66600016/10/2015Component: AIR BAGS:SIDE/WINDOW

General Motors LLC (GM) is recalling certain model year 2015 Buick LaCrosse, Cadillac XTS, Chevrolet Camaro, Equinox, Malibu, and GMC Terrain vehicles. The affected vehicles have front seat-mounted s

Consequence

In the event of a crash necessitating deployment of one or both of the side impact air bags, the air

Remedy

GM will notify owners, and dealers will replace the side impact air bag modules, free of charge. The

TSB #11030974

This preliminary information communicates information about how to determine if a wheel and tires size change is available.

TSB #11030092

This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.

TSB #11030091

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

TSB #11027601

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

TSB #11026104

This service bulletin provides information on Tire Sidewall Irregularities.

TSB #11026017

This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

TSB #11025755

This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customers vehicles that exhibit vibration conditions without utilizing the s

TSB #11024485

The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.

Showing the 8 most recent of 1632 technical service bulletins on file with NHTSA.

20170808Component: ELECTRICAL SYSTEM1 injured

A FAILURE OF THE SELF-LEVELING REAR AIR SPRING COMPRESSOR OCCURRED WHILE DRIVING THROUGH PARKING LOT. "SERVICE REAR LEVELING SYSTEM" WARNING WAS NOT ACTIVATED / DISPLAYED AS PUBLISHED IN VEHICLE OWNER

20170808Component: SUSPENSION1 injured

A FAILURE OF THE SELF-LEVELING REAR AIR SPRING COMPRESSOR OCCURRED WHILE DRIVING THROUGH PARKING LOT. "SERVICE REAR LEVELING SYSTEM" WARNING WAS NOT ACTIVATED / DISPLAYED AS PUBLISHED IN VEHICLE OWNER

20241030Component: UNKNOWN OR OTHER

The CUE system has totally quit so we are unable to change radio stations, get driving instructions, talk on the telephone etc. After reading online, this is a problem that Cadillac is not addressing

20230612Component: ELECTRICAL SYSTEM

Forward collision system has not been working properly for the past 3 years the car has been in for service for this problem the last time was March 1st 2023. I nearly had 3 accidents due to the syst

20230612Component: FORWARD COLLISION AVOIDANCE: WARNINGS

Forward collision system has not been working properly for the past 3 years the car has been in for service for this problem the last time was March 1st 2023. I nearly had 3 accidents due to the syst

Showing the 5 most serious of 17 complaints filed with NHTSA.

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