2012 Cadillac CTS Service and Repair Manual

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Factory-Grade Data

2012 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 Black Diamond Coupe 2-Door
  • Performance Wagon 4-Door
  • V Sedan 4-Door
  • Premium Sedan 4-Door
  • V Coupe 2-Door
  • Base Sedan 4-Door
  • Premium Coupe 2-Door
  • 3.6L Sedan 4-Door
  • 3.0L Coupe 2-Door
  • Premium Wagon 4-Door
  • 3.0L Sedan 4-Door
  • Luxury Wagon 4-Door
  • Base Coupe 2-Door
  • Luxury Coupe 2-Door
  • V Wagon 4-Door
  • Performance Sedan 4-Door
  • Performance Coupe 2-Door
  • 3.6L Wagon 4-Door
  • 3.6L Coupe 2-Door
  • Base Wagon 4-Door
  • Luxury Sedan 4-Door
  • 3.0L Wagon 4-Door
  • Coupe Coupe 2-Door
  • V Black Diamond Sedan 4-Door

Engines covered

  • 6.2L 6162CC 376Cu. In. V8 GAS OHV Supercharged
  • 3.6L 3564CC 217Cu. In. V6 GAS DOHC Naturally Aspirated
  • 3.0L 182Cu. In. V6 GAS DOHC Naturally Aspirated

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

2012 Cadillac CTS Recalls & Complaints

NHTSA #11V53600002/11/2011Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

GM IS RECALLING CERTAIN MODEL YEAR 2012 CADILLAC CTS VEHICLES MANUFACTURED FROM OCTOBER 21, 2011, THROUGH OCTOBER 26, 2011. THESE VEHICLES MAY HAVE A CONDITION IN WHICH THE POWER VACUUM BRAKE BOOST P

Consequence

THIS COULD RESULT IN A LOSS OF ABILITY TO BRAKE AND a vehicle CRASH WITHOUT PRIOR WARNING.

Remedy

CADILLAC DEALERS WILL INSPECT THE POWER VACUUM BRAKE BOOST PUSHROD RETENTION NUT, AND IF NECESSARY,

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 1554 technical service bulletins on file with NHTSA.

20170525Component: VEHICLE SPEED CONTROLCrash reported2 injured

THE VEHICLE WAS DRIVING IN NORMAL CONDITIONS, AT APPROX 40MPH IN THE EVENING. WHEN ACCELERATING TO PASS A CAR GOING SLOW IN A 50MPH+ ROAD, THE ACCELERATOR STUCK IN THE CADILLAC. THIS FORCED A DEFENSIV

20160421Component: SUSPENSIONCrash reported2 injured

TL* THE CONTACT OWNS A 2012 CADILLAC CTS. WHILE DRIVING APPROXIMATELY 60 MPH, A LOUD NOISE EMITTED OUTSIDE OF THE VEHICLE. THE FRONT PASSENGER SIDE TIRE AND LOWER CONTROL ARM DETACHED COMPLETELY. IN

20160421Component: SERVICE BRAKESCrash reported2 injured

TL* THE CONTACT OWNS A 2012 CADILLAC CTS. WHILE DRIVING APPROXIMATELY 60 MPH, A LOUD NOISE EMITTED OUTSIDE OF THE VEHICLE. THE FRONT PASSENGER SIDE TIRE AND LOWER CONTROL ARM DETACHED COMPLETELY. IN

20150622Component: SERVICE BRAKESCrash reported1 injured

TL* THE CONTACT OWNS A 2012 CADILLAC CTS. WHILE DRIVING 30 MPH, THE BRAKE PEDAL EXTENDED TO THE FLOOR WHEN THE BRAKES WERE APPLIED. AS A RESULT, THE CONTACT REAR ENDED THE PRECEDING VEHICLE. THE AIR B

20141208Component: SERVICE BRAKESCrash reported1 injured

TL* THE CONTACT OWNS A 2012 CADILLAC CTS. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 25 MPH, THE BRAKE PEDAL WAS DEPRESSED AND FAILED TO RESPOND. AS A RESULT, THE CONTACT CRASHED INTO ANOTHER

Showing the 5 most serious of 81 complaints filed with NHTSA.

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