2016 Cadillac CTS Service and Repair Manual

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Factory-Grade Data

2016 Cadillac CTS 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

  • V Sedan 4-Door
  • Premium Sedan 4-Door
  • Base Sedan 4-Door
  • Performance Sedan 4-Door
  • Vsport Sedan 4-Door
  • Vsport Premium Sedan 4-Door
  • Luxury Sedan 4-Door

Engines covered

  • 6.2L 6162CC 376Cu. In. V8 GAS OHV Supercharged
  • 2.0L 1998CC 122Cu. In. l4 GAS DOHC Turbocharged
  • 3.6L 222Cu. In. V6 GAS DOHC Naturally Aspirated
  • 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

2016 Cadillac CTS Recalls & Complaints

NHTSA #25V17500020/03/2025Component: STEERING:ELECTRIC POWER ASSIST SYSTEM

General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CTS, 2017-2018 Cadillac ATS, Chevrolet Camaro, and Chevrolet Corvette vehicles. The electric power steering (EPS) assist may fail.

Consequence

A loss of power steering assist can require greater steering effort, especially at low speeds, incre

Remedy

Dealers will replace the power steering gear assembly, free of charge. Owner notification letters w

NHTSA #18V59500007/09/2018Component: SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

General Motors LLC (GM) is recalling certain 2014-2016 Cadillac CTS vehicles, equipped with heated front seats. The flexible heating mats in the front seats may be damaged over time, resulting in the

Consequence

In cold ambient temperatures, the seat heaters in these vehicles can turn on automatically when the

Remedy

GM will notify owners, and dealers will recalibrate the body control module, disabling the automatic

NHTSA #19V08600007/02/2019Component: STEERING:ELECTRIC POWER ASSIST SYSTEM

General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CTS, and 2017 Cadillac ATS, Chevrolet Camaro, and Chevrolet Corvette vehicles. The electric power steering (EPS) assist system may fail.

Consequence

Loss of power steering assist would require a higher steering effort, especially at lower speeds, wh

Remedy

GM will notify owners, and dealers will replace the power steering gear assembly, free of charge. T

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 #11027689

This PI communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when ordering

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

Showing the 8 most recent of 1573 technical service bulletins on file with NHTSA.

20200205Component: SERVICE BRAKESFire reported

THE CAR CAUGHT ON FIRE WHILE DRIVING IN NYC AT SPEEDS OF 10-20 MPH FIRST THE CAR STARTED TO SMOKE IN THE FRONT HOOD WHILE TURNING LEFT ON 5TH AVENUE. I GOT OUT OF THE CAR AND THE CAR WAS ON FLAMES.

20200205Component: ELECTRICAL SYSTEMFire reported

THE CAR CAUGHT ON FIRE WHILE DRIVING IN NYC AT SPEEDS OF 10-20 MPH FIRST THE CAR STARTED TO SMOKE IN THE FRONT HOOD WHILE TURNING LEFT ON 5TH AVENUE. I GOT OUT OF THE CAR AND THE CAR WAS ON FLAMES.

20200205Component: FUEL/PROPULSION SYSTEMFire reported

THE CAR CAUGHT ON FIRE WHILE DRIVING IN NYC AT SPEEDS OF 10-20 MPH FIRST THE CAR STARTED TO SMOKE IN THE FRONT HOOD WHILE TURNING LEFT ON 5TH AVENUE. I GOT OUT OF THE CAR AND THE CAR WAS ON FLAMES.

20250429Component: STRUCTURE:BODY:DOOR:HANDLE:INTERIOR1 injured

The contact owns a 2016 Cadillac CTS. The contact stated while the vehicle was parked, the carbon fiber-optic piece on the rear passenger door was fractured. The contact stated the occupant was exiti

20251208Component: STEERING

The contact owns 2016 Cadillac CTS. The contact stated while driving at various speeds, the vehicle lost power steering functionality. A dealer was contacted. The vehicle was taken to the dealer where

Showing the 5 most serious of 47 complaints filed with NHTSA.

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