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Service bulletins for the 2005 Cadillac CTS

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

628 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
PIT5484A2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication advises the technician that if OnStar is unable to configure the vehicle after the OnStar 15-08-44-001 upgrade and Onstar receives a 118 error code when attempting to configure the vehicle. Dealers should receive a sheet with the kit that provides steps to assist with handling this error. Dealer will follow one of the listed steps to resolve the issue. If there are still configuration issues, please contact the OnStar Technical Assistance Centre for assistance.
11-00-89-005C2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This warranty administration bulletin provides information on the Clarification of Use for Dealer Empowerment Labor Operations and Customer Enthusiasm
10-00-89-017X2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides a list off all the issues revolving around new vehicles for a one stop place to find growing concerns around them.
15-00-89-0052017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
00-06-01-026G2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage.
09-09-40-001C2017-08-15. Service bulletin. SEAT BELTS:FRONT:BUCKLE ASSEMBLY; SEAT BELTS. This informational bulletin provides information to advise dealers about seat belt buckles not operating and/or seat belt warning light illumination, as well as difficulty latching and unlatching the buckle or the buckle release button sticking.
05-08-46-006T2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information to dealership personnel on upgrading certain OnStar Analog/Digital-Ready Systems to OnStar Generation 6 Digital-Capable System.
00-05-22-002O2017-08-15. Service bulletin. SERVICE BRAKES. This informational bulletin provides technicians with a brake lathe calibration procedure.
15-08-73-0012017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin provides information on communication with OnStar® module after Canadian cellular upgrade.
15-08-44-0012017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.
07-06-04-019E2017-08-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
02-00-89-002O2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information for dealers/technicians on when and how to submit a Field Product Report (FPR) (U.S. Dealers Only).
15-08-44-001C2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.
02-07-30-052J2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. This informational bulletin provides technicians with information regarding automatic transmission oil cooler flow test essential tool J-45096 TransFlow®.
05-06-04-035E2017-08-15. Service bulletin. FUEL SYSTEM, OTHER. This informational bulletin provides dealership personnel with information on flexible fuel vehicles (FFVs) and the usage of E85 fuel in GM vehicles.
15-08-44-001A2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.
15-08-44-001B2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.
02-08-42-001H2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information to assist dealership personnel with the identification of vehicle headlamp, tail lamp, license lamp or fog/driving lamp damage that are not considered warrantable.
05-00-89-055E2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This warranty administration bulletin provides information to clarify proper transaction administration of GM Dealer Empowerment Program and Goodwill Cases.
06-00-89-026L2017-08-15. Service bulletin. SERVICE BRAKES; EQUIPMENT:ELECTRICAL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER; POWER TRAIN:AXLE ASSEMBLY; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND.
06-06-01-010B2017-08-15. Service bulletin. EQUIPMENT:MECHANICAL; ENGINE AND ENGINE COOLING. This informational bulletin provides information on close-coupled converter and engine replacement.
00-03-10-003R2017-08-15. Service bulletin. TIRES. This warranty administration bulletin provide policy information new tire warranty program and global warranty management submission information.
PIT5389C2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
PIC4935F2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to help the dealership technicians perform a parasitic drain test for the OnStar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the OnStar system.
PIP4723B2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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 Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.