2003 Cadillac CTSService bulletins
2003 Cadillac CTS Technical Service Bulletins
389 technical service bulletins (TSBs) are on record for the 2003 Cadillac CTS. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.
- 10112494Oct 18, 2012Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts. Technician can check Service Information for some accessories. Technician can also contact Partech for assistance.
- 10118626Oct 10, 2012Equipment. This warranty administrational bulletin provides information on Clarification of Use - Dealer Empowerment Labor Operations and Customer Enthusiasm
- 10118619Oct 5, 2012Equipment. This informational bulletin provides information on newly release bulletins used to fi the vehicles in the field the first time.
- 10246951Oct 1, 2012Equipment. Programming And Activation Of Replacement OnStar Modules.
- 10037570Apr 1, 2012Body and structure. Gm: on some truck models there is some frame corrosion. *rm updated on 5/2/2012.
- 10038294Jan 1, 2012Seat belts. Gm: there are seat belt problems: difficulty latching and unlatching buckle. Buckle release button is sticking. Seat belt warning light illuminated. Likely caused by sticky beverages that are spilled into the buckle assembly. *rm updated 4/3/12.
- 10042986Nov 1, 2011Seats. General motors: information provided by bulletin for all 2012 and prior general motor trucks and passenger vehicles regarding the adjustable comfort and custom upholstery of the driver and the passenger head restraint.
- 10038759Apr 1, 2011Electrical system. Gm: onstar is making incomplete calls without the driver knowing. When have a data connection.
- 10038295Feb 1, 2011Other or unknown. Gm: information on fixing multiple situations right the first time.
- 10030121Apr 1, 2009Engine cooling. Cadillac: when operating in extremely cold weather conditions, some vehicles may leak engine oil from the cam/valve cover seals, especially from the left side just below the oil fill hole in the cam/valve cover.
- 10027804Nov 1, 2008Equipment, Electrical system. General motors corp: special coverage adjustment; analog onstar deactivation. *pe updated 2/17/09.
- 10026586Jun 1, 2008Equipment. Buick cadillac chevrolet gmc hummer oldsmobile pontiac saab saturn service campaign: see document search button for owner letter. Special coverage adjustment-analog onstar deactivation. Fcc ruled in 2002 wireless carriers would no longer re required to support analog wireless network starting in 2008. *pe csc letter was received. Updated 12/1/08.
- 10023979Nov 1, 2007Suspension. Axle fluid seeping or leaking from rear axle vent (install rear differential hose and vent).
- 10022560Aug 20, 2007Engine cooling. Intermittent stall, surge, stumble, or hesitation dtc p1629.
- 10019195Feb 17, 2006Transmission and drivetrain. Rear axle pinion seal may experience a fluid leak condition. *tt updated 04-26-07.
- 10019193Feb 17, 2006Engine cooling. Tcc surge, chuggle, or fishbite 5l40e with v6 engine.
- 10018909Jan 25, 2006Suspension. Creak noise from front end when braking or turning.
- 10017234Oct 29, 2005Electrical system. Intermittent dead battery - goes dead overnight.
- 10017146Oct 26, 2005Vehicle speed control. Tcc surge, shudder or chuggle on light load just after torque converter clutch engagement with transmission at operating temperature.
- 10016954Oct 19, 2005Electrical system. Bulletin-sit-bulletin-1699890: tech 2 displays the incorrect fuel sender.
- 10016708Sep 28, 2005Transmission and drivetrain. The 5l40e and 5l50e automatic transmission may experience a condition of high tcc slip speed and or dtc p0741. *tt updated 09-26-07.
- 10018126Sep 1, 2005Engine cooling. Oil life system reset procedures - cars. Gm tech link.
- 10015018Sep 1, 2005Equipment. Information on upgrading certain onstar generation 5 analog/digital-ready systems to onstar generation 6 dual-mode (analog/digital).
- 10014922May 12, 2005Transmission and drivetrain. Intermittent unwanted downshift, no upshift 5l40e/5l50e.
- 10014910May 11, 2005Vehicle speed control. Intermittent no power, stall, malfunction indicator lamp with tps tac, tcm diagnostic trouble codes set.
- 10015013Mar 1, 2005Exterior lighting. High intensity discharge (hid) headlamps - disposal instructions.
- 10014978Mar 1, 2005Suspension. Rattle noise in rear end over bumps.
- 10013434Mar 1, 2005Equipment. Cigar lighter and accessory power outlets time out 10 minutes after ignition shut-off or outlets remain on after ignition shut-off. *tt update.
- 10013449Jan 1, 2005Seats. Heated seat inoperative after repair within one week of usage.
- 10015769Oct 1, 2004Transmission and drivetrain. Transmission oil cooler line fitting. Gm tech link.
- 10014346Aug 1, 2004Engine cooling. Oil life system reset procedures - cars.
- 10012176Jun 1, 2004Visibility (wipers, defrost, mirrors). Limited ability to control windshield defroster temperature.
- 10012625May 1, 2004Seats. Front heated seat inoperative cold.
- 10012593Apr 1, 2004Engine cooling. Engine coolant block heater cord extension available.
- 10013006Feb 26, 2004Electrical system. Intermittent dead battery or battery goes dead overnight.
- 10012699Feb 1, 2004Body and structure. Rear compartment lid applique back up high mount stop lamp assembly appearance change information.
- 10011142Jan 1, 2004Body and structure. Itch/squeak/rattle type noise from door header sealing area while driving.
- 10012577Aug 1, 2003Steering. Revised steering wheel position sensor or steering shaft lower bearing replacement procedure and steering wheel position sensor centering procedure.
- 10013123Oct 10, 2002Transmission and drivetrain. Manual transmission rattle or fluttering noise while driving in fifth gear.
← All problems reported for the 2003 Cadillac CTS
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.