2009 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
- Luxury Sedan 4-Door
Engines covered
- 6.2L 6162CC 376Cu. In. V8 GAS OHV Supercharged
- 3.6L 3564CC 217Cu. 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
GM IS RECALLING CERTAIN MODEL YEAR 2009-2010 CADILLAC CTS ALL WHEEL DRIVE AND CTS-V VEHICLES FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, "OCCUPANT CRA
IN THE EVENT OF A CRASH, THE FRONT PASSENGER MAY BE AT AN INCREASED RISK OF LEG INJURY.
DEALERS WILL REPLACE THE GLOVE COMPARTMENT ASSEMBLY AND, IN SOME VEHICLES MODIFY THE INSTRUMENT PANE
GM IS RECALLING 12,662 MY 2009 CADILLAC CTS VEHICLES FOR FAILING TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, 'OCCUPANT CRASH PROTECTION.' UNDER CERTAIN CONDITIONS
IN A VEHICLE CRASH, IF THE FRONT PASSENGER AIR BAG DOES NOT OPERATE AS DESIGNED, INCREASED PERSONAL
DEALERS WILL REPROGRAM THE PASSENGER SENSING SYSTEM MODULE FREE OF CHARGE. THE RECALL BEGAN ON NOVE
GM IS RECALLING CERTAIN MODEL YEAR 2006-2009 BUICK, LUCERNE; CADILLAC DTS; HUMMER H2; MODEL YEAR 2008-2009 BUICK ENCLAVE; CADILLAC CTS; MODEL YEAR 2007-2009 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE E
IT IS POSSIBLE FOR THE HEATED WASHER MODULE TO IGNITE AND A FIRE MAY OCCUR.
DEALERS WILL PERMANENTLY DISABLE AND REMOVE THE HEATED WASHER FLUID MODULE. AN UPDATED PAGE FOR THE
New Vehicle Monitoring Programs Section in IVH
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P2097 or P2099. Technician will nee
This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
Showing the 8 most recent of 445 technical service bulletins on file with NHTSA.
CADILLAC CTS WAS RENTED, OCT 1, 2009, AT 9:00 PM, AT CHARLOTTE AIRPORT. MY HUSBAND WAS DRIVING THE CTS HOME ON JOSH BIRMINGHAM PARKWAY. I WAS BEHIND HIM IN OUR CAR. WE WERE BOTH ON THE RIGHT-HAND SIDE
CADILLAC CTS WAS RENTED, OCT 1, 2009, AT 9:00 PM, AT CHARLOTTE AIRPORT. MY HUSBAND WAS DRIVING THE CTS HOME ON JOSH BIRMINGHAM PARKWAY. I WAS BEHIND HIM IN OUR CAR. WE WERE BOTH ON THE RIGHT-HAND SIDE
CADILLAC CTS WAS RENTED, OCT 1, 2009, AT 9:00 PM, AT CHARLOTTE AIRPORT. MY HUSBAND WAS DRIVING THE CTS HOME ON JOSH BIRMINGHAM PARKWAY. I WAS BEHIND HIM IN OUR CAR. WE WERE BOTH ON THE RIGHT-HAND SIDE
TL*THE CONTACT RENTED A 2010 CADILLAC CTS. THE CONTACT STATED THAT WHILE DRIVING 35 MPH THE VEHICLE ACCELERATED RAPIDLY AND CRASHED INTO A GUARD RAIL WITHOUT THE AIR BAGS DEPLOYING. THE CONTACT CAL
To whom it may concern, My name is [XXX] . I am writing this correspondence with regard to a purchase of a 2009 Cadillac CTS . I purchased the vehicle for my mother in Missouri December 2022. I resi
Showing the 5 most serious of 222 complaints filed with NHTSA.
