2006 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
- Base Sedan 4-Door
Engines covered
- 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
- 2.8L 2792CC 170Cu. In. V6 GAS DOHC Naturally Aspirated
- 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
CERTAIN VEHICLES EQUIPPED WITH V6 ENGINES MAY HAVE A CONDITION WHERE FUEL IS NO LONGER SUPPLIED TO THE ENGINE. THIS CONDITION OCCURS WITHOUT THE ILLUMINATION OF THE FUEL LEVEL LOW INDICATOR LIGHT OR
IF THE ENGINE STOPS RUNNING, THE OPERATOR WILL NOT BE ABLE TO RESTART THE VEHICLE WHICH COULD INCREA
DEALERS WILL REPROGRAM THE ELECTRONIC CONTROL MODULE (ECM) WITH NEW SOFTWARE FREE OF CHARGE. OWNERS
GENERAL MOTORS HAS NOTIFIED NHTSA OF A DEFECT IN CERTAIN MODEL YEAR 2003-2007 CADILLAC CTS VEHICLES CURRENTLY REGISTERED IN OR ORIGINALLY SOLD IN CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE,
THE BRAKE HOSE-TUBE INTERFACE MAY RUPTURE SUDDENLY WITHOUT PRIOR WARNING AND INCREASE VEHICLE STOPPI
DEALERS ARE TO REPLACE BOTH FRONT BRAKE HOSE ASSEMBLIES FREE OF CHARGE. THE SAFETY RECALL IS EXPECT
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.
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking
Showing the 8 most recent of 258 technical service bulletins on file with NHTSA.
The contact owns a 2006 Cadillac CTS. The contact stated that while driving in reverse and reversing out of the driveway, the vehicle suddenly experienced unintended acceleration and drove in reverse
THE ACCIDENT OCCURRED AS A RESULT OF EVASIVE ACTION TO AVOID STRIKING AN ANIMAL (BELIEVED TO BE A LARGE COYOTE) THAT SUDDENLY APPEARED FROM THE LEFT OF US97N NORTH OF KLAMATH FALLS, OREGON, A TWO LANE
THE ACCIDENT OCCURRED AS A RESULT OF EVASIVE ACTION TO AVOID STRIKING AN ANIMAL (BELIEVED TO BE A LARGE COYOTE) THAT SUDDENLY APPEARED FROM THE LEFT OF US97N NORTH OF KLAMATH FALLS, OREGON, A TWO LANE
I WAS DRIVING THE VEHICLE AND WAS HIT FROM BEHIND AND WENT INTO A CURB. MY AIRBAGS DID NOT DEPLOY AND THE CAR WOULD NOT RESTART. THE ENGINE COMPLETELY SHUT OFF. THE CAR CONTINUE TO HAVE PROBLEMS WI
I WAS DRIVING THE VEHICLE AND WAS HIT FROM BEHIND AND WENT INTO A CURB. MY AIRBAGS DID NOT DEPLOY AND THE CAR WOULD NOT RESTART. THE ENGINE COMPLETELY SHUT OFF. THE CAR CONTINUE TO HAVE PROBLEMS WI
Showing the 5 most serious of 368 complaints filed with NHTSA.
