2006 Cadillac STS Service and Repair Manual

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Factory-Grade Data

2006 Cadillac STS 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

  • 4.4L 4371CC 267Cu. In. V8 GAS DOHC Supercharged
  • 3.6L 3564CC 217Cu. In. V6 GAS DOHC Naturally Aspirated
  • 4.6L 281Cu. In. V8 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

2006 Cadillac STS Recalls & Complaints

NHTSA #06V02000025/01/2006Component: FUEL SYSTEM, GASOLINE:DELIVERY

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

Consequence

IF THE ENGINE STOPS RUNNING, THE OPERATOR WILL NOT BE ABLE TO RESTART THE VEHICLE WHICH COULD INCREA

Remedy

DEALERS WILL REPROGRAM THE ELECTRONIC CONTROL MODULE (ECM) WITH NEW SOFTWARE FREE OF CHARGE. OWNERS

NHTSA #06V00700013/01/2006Component: VEHICLE SPEED CONTROL

ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH ALL WHEEL DRIVE AND A 3.6L V6 ENGINE, THE TORQUE MONITORING FUNCTIONS OF THE ELECTRONIC THROTTLE CONTROL (ETC) ARE NOT ENABLED. THESE FUNCTIONS CAN LIMIT

Consequence

WITHOUT THESE FUNCTIONS ENABLED, A PERSISTENT ECM FAILURE COULD RESULT IN A THROTTLE OPENING GREATER

Remedy

DEALERS WILL REPROGRAM THE ECM ON THESE VEHICLES FREE OF CHARGE. THE RECALL BEGAN ON JANUARY 24, 20

TSB #11020816

This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

TSB #11019074

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.

TSB #11019073

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.

TSB #11019072

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.

TSB #11017783

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

TSB #11014455

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

TSB #11011782

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

TSB #11009156

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and

Showing the 8 most recent of 755 technical service bulletins on file with NHTSA.

20150115Component: AIR BAGSCrash reportedFire reported1 injured

I WAS TRAVELING THROUGH THE COUNTRYSIDE ON MY WAY HOME FROM WORK. MY CAR SUDDENLY STALLED, I LOST CONTROL OF THE VEHICLE AND SLAMMED INTO AN ON COMING CAR IN THE OTHER LANE. THIS CAUSED PERMANENT TRAU

20150115Component: ELECTRONIC STABILITY CONTROL (ESC)Crash reportedFire reported1 injured

I WAS TRAVELING THROUGH THE COUNTRYSIDE ON MY WAY HOME FROM WORK. MY CAR SUDDENLY STALLED, I LOST CONTROL OF THE VEHICLE AND SLAMMED INTO AN ON COMING CAR IN THE OTHER LANE. THIS CAUSED PERMANENT TRAU

20150115Component: ENGINECrash reportedFire reported1 injured

I WAS TRAVELING THROUGH THE COUNTRYSIDE ON MY WAY HOME FROM WORK. MY CAR SUDDENLY STALLED, I LOST CONTROL OF THE VEHICLE AND SLAMMED INTO AN ON COMING CAR IN THE OTHER LANE. THIS CAUSED PERMANENT TRAU

20150115Component: ENGINECrash reported3 injured

TL* THE CONTACT OWNED A 2006 CADILLAC STS. WHILE DRIVING 45 MPH, THE ENGINE STALLED WITHOUT WARNING AND THE VEHICLE CRASHED INTO A TREE. THE FAILURE RECURRED NUMEROUS TIMES PRIOR TO THE CRASH. THE CON

20150115Component: ELECTRICAL SYSTEMCrash reported2 injured

TRAVELING 81 NORTH IN NORTHEAST PENNSYLVANIA, ROUNDING TURN CAR STALLED. I LOST COMPLETE CONTROL OF THE VEHICLE WHICH CAUSED ME TO SLAM INTO A GUARD RAIL AND THE CAR WENT DOWN AN EMBANKMENT AND INTO A

Showing the 5 most serious of 197 complaints filed with NHTSA.

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