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Service bulletins for the 2008 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.

1138 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIP4690E2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that may have an oil pressure gauge is indicating that the engine appears to be operating with very high oil pressure. Under various engine operating conditions up to 110 pressure per square inch of oil pressure may be displayed on the oil pressure gauge. This should be considered as normal operation during a cold engine start-up.
PIP4384G2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician with a supplement to the Service Information timing procedure for the high feature V-6 engine. Technician will also review the training video on the Common Training Website.
00-03-10-002J2017-08-15. Service bulletin. WHEELS. This informational bulletin provides information on chemical staining, pitting, and corrosion on wheels and the proper cleaners to use to fix the conditions due to multiple causes.
PI0572C2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This preliminary informational bulletin provides information on GM is implementing a new service strategy that uses a set of universal coaxial repair kits to service vehicles. This only applies to cable used for high frequency signals, such as cellular (OnStar®), satellite radio (XM) and GPS (navigation). The kits do NOT apply to the AM/FM cables.
PI0360F2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This preliminary informational bulletin provides information on GM Accessory Remote start not working with onstars remotelink phone applications
16-NA-0852017-08-15. Service bulletin. EQUIPMENT. This informational bulletin provides information on the newly designed cylinder heads and the replacing of cylinder heads with the new saddle cap design head
07-00-89-037I2017-08-15. Service bulletin. EQUIPMENT. This warranty administration bulletin provides information on Courtesy Transportation and Roadside Assistance Programs
16-NA-0752017-08-15. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. This technical bulletin provides a procedure to relearn the power folding mirriors and road test to correct a conditon of power fold away mirriors glass shakes or flutters at normal driving speeds
08-07-30-026C2017-08-15. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. This informational bulletin provides information on vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak and that this is considered a normal conditon and no repairs are necessary
03-00-89-006M2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores
06-00-89-029M2017-08-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This informational bulletin provides information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability
03-06-03-004O2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on Battery Testing and Warranty Replacement Requirements (North America ONLY)
04-00-89-015K2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty informational bulletin provides a list of all the required operating procedures and explains them out to what is acceptable and not.
PIC5346A2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that in rare instances, if a Bluetooth call is transferred from the vehicle to the phone and, while on that call, a second Bluetooth call comes in, and the customer will hear ringing in the vehicle. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIP4276B2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This Preliminary Information communication provides information to the technician about vehicles that have Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P2534 set in the Transmission Control Module. Technician will need to update the Transmission Control Module updated calibration files using Tis-2-Web.
PIC5267B2017-08-15. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary Information communication provides information to the technician about vehicles that have various noises from sunroof area. Some vehicles may have a rattle, tapping, or creaking from the rear area of the roof while driving. Technician will need to lower the headliner in the corner where the noise is coming from to confirm the source and apply pressure with your hand to the panels in this area can lessen or eliminate the noise. There is a structural adhesive between these panels. If noise is coming from this area use a screw driver or chisel to create a small amount of separation between the panels in the area of contact. Some vehicles may have a tick noise coming from the roof area while going over a rough road. Technician will need to install pieces of felt to the top of the safety plastic material to isolate it from the roof. Vehicles that have a creak noise coming from the sunroof area, technician will add Mylar or Ultra high molecular weight tape to the top surface of the attachments to isolate the trim ring from the sunroof metal. Some vehicles may have a rattle, tap, or creak noise coming from multiple areas of the sunroof area. Technician will need to install Mylar washers between the 4 mounts for the rear glass and torque to specs. If the noise is not gone with the rear glass removed from the sunroof, then remove the sunroof assembly and test drive the vehicle, if the noise is gone then install Mylar washers between the sunroof mounts and the roof and torque to specs. When there is an itch, or creak noise coming from the sunroof area, technician should apply Krytox to the sunroof seal. Some vehicles have a tick or rattle noise coming from the roof could be the sunroof reinforcement metal contacting the roof sheet metal, technician will place a piece of hard foam between the sunroof reinforcement metal and the roof sheet metal.
PIP4138M2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
PIC4740D2017-08-15. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon light is on, Reduced engine power message, no crank, multiple warning lights on, transmission shifts hard, or the door locks cycle while driving. The Transmission Control Module or Engine Control Module may not communicate. With Diagnostic Trouble Codes C0242, C0561, P0575, P0615, P0700, P0856, P1629, P2544, U0073, U0074, U0100, U0109, U0121, U0140, U2100, U2105, and / or U2106 stored. The technician is to inspect the transmission X1 connector terminals for loose or poor fit. Disconnect the X1 connector and carefully tug on each wire to insure pins are fully seated. A side load on the wires may also cause a false positive lock. Technician is to repair the connections as necessary.
PIP4138L2017-08-15. Service bulletin. EQUIPMENT:MECHANICAL; POWER TRAIN. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
PIC5723A2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that may have a navigation map update 2012 may fail to load. Dealer will need to contact the Navigation Disc Center to obtain a 2013 or newer Map disc.
PIC5271A2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about vehicles that have low audio output from the rear speakers. Technician should be advised that if the fader is placed in the center position, the front speakers should be slightly louder than the rear. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIC5004B2017-08-15. Service bulletin. STRUCTURE:BODY. This Preliminary Information communication provides information to the technician about vehicles that have water dripping out of the trunk decklid from behind the trim panel. Technician will need to seal the license plate grommets.
PIC5252A2017-08-15. Service bulletin. ELECTRICAL SYSTEM:IGNITION. This Preliminary Information communication provides information to the technician with a diagnostic tip on how to remove the ignition lock cylinder. Technician can use a pick tool on the hole behind the land on the lock cylinder housing and pull the ignition lock cylinder out of the ignition.
PIC5245A2017-08-15. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. This Preliminary Information communication provides information to the technician about vehicles that have a creak noise coming from the A-Pillar area when going up and down driveways. Technician will need to apply Mylar or ultra-high molecular tape between the panels of the A-Pillar trim. Technician will also need to set the gap on the fender for a 1 millimeter clearance.
PIT3173C2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician that fluid contamination may be directed to one of the following testing centers according to the type of fluid needing testing. Dealer should send the correct fluid to the proper testing center.

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