WenmarOpen by Wenmar Pro

Service bulletins for the 2009 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.

1248 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
07-08-49-020I2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides a quick guide to updating which model vehicle after replacing the IPC.
04-00-89-015H2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This warranty administration bulletin provide policy information of the JOB CARD, for a repair on vehicles and what is acceptable - customer authorization; Service manager approvals and transaction authorization; Details of concern, cause and correction; Labor Time; Technician ID and acoutablity of labor time; Proper documentation and retension of warranty parts; Accurate sublet charges and receipts; Add on concerns after the Job Card has been written.
08-08-44-015E2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This informational bulletin provides information on Inappropriate Warranty Claims Submitted for Damaged Radios and IPCs
04-00-89-015I2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provide policy information of the JOB CARD, for a repair on vehicles and what is acceptable - customer authorization; Service manager approvals and transaction authorization; Details of concern, cause and correction; Labor Time; Technician ID and acoutablity of labor time; Proper documentation and retension of warranty parts; Accurate sublet charges and receipts; Add on concerns after the Job Card has been written.
06-00-89-026M2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty bulletin provides labor operation numbers for customer concerns that can't be duplicated.
05-06-04-022L2017-08-15. Service bulletin. FUEL SYSTEM, GASOLINE. This informational bulletin provides information on top tier fuels and what brands are available.
10-08-42-001D2017-08-15. Service bulletin. ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to check the headlamp wiring connector and replace if damaged.
99-04-20-002I2017-08-15. Service bulletin. PARKING BRAKE:DRIVELINE. This informational bulletin explains a normal condition for what and how the drive line can clunk.
10-08-98-002A2017-08-15. Service bulletin. FORWARD COLLISION AVOIDANCE. This information bulletin explains the use of drilling high strength steel in a collision repair and the GM recommended CryoCobalt Drill bit.
10-04-20-001F2017-08-15. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. This technical bulletin provides a procedure to replace the rear differential fluid if the rear axle has a clunk or chatter noise on turns.
13-00-89-004J2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
11-00-89-005H2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty bulletin clarifies the use of dealer empowerment to satisfy the customer.
PIC5494H2017-08-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This Preliminary Information communication provides information to the technician when the customer comments that their digital vehicle speed display is showing a different speed than the analog vehicle speed display. There may be up to 2 miles per hour difference between the digital and analog vehicle speed displays. This is a normal condition due to the calculation tolerances being different for the two driver viewing angles for the analog speedometer; it may also appear to increase the difference between both displays. No part replacement is required as this is a normal operating characteristic of the vehicle. For CTS vehicles built between April and June of 2011 or the 2013 ATS, SRX, XTS built before August 29 2012 may have a 3 mile per hour or more variation. The technician is to replace the instrument panel cluster for this concern.
PI0281F2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
17-NA-1262017-08-15. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS. This informational bulletin provides information on Non-Design Intent Wheel Lock Nuts and Lug Nuts.
10-08-110-001F2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on proper use of floor mats.
03-06-03-004U2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
PIT5236G2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will check Global Warranty Management system for customer satisfaction program 15086 status. If the status of the customer satisfaction program 15086 was not completed follow the steps to get the Telematics Communication Interface Control Module replaced. If the status of customer satisfaction program 15086 is found completed contact General Motors Technical Assistance Center OnStar group for further assistance.
PIC5236A2017-08-15. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:IGNITION. This Preliminary Information communication provides information to the technician how to install the new style ignition lock cylinder into the vehicle. When installing the new cylinder it is important to carefully inspect the housing for debris or damage from the old lock cylinder. No tools are required for installing the new lock cylinder. When installing into the housing, ensure that the lock cylinder is fully seated to ensure it latches into position. Do not use the old style lock cylinder that is still used on the manual transmission vehicle on an automatic transmission car.
PIC61812017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary Information communication advises the technician after the OnStar Canada upgrade the OnStar Vehicle Diagnostic Email report is inoperative. Please communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
PIP5232C2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the coil grounds ring terminal at the engine block for the bank with the concern and repair the wire.
PIP4936C2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE. This Preliminary Information communication provides information to the technician that vehicles with engine Regular Production Option Codes LY7, LLT, LAU, LF1, or LFW that there is a new cylinder head design. When replacing cylinder heads on High Feature V6 engines if you are using a 2011 new style "saddle cap" cylinder head, spacer shims are not to be used. The saddle cap design cylinder heads will not work with the 2004-2006 and first design 2007 engines.
PIP5276F2017-08-15. Service bulletin. ENGINE. This Preliminary Information communication provides steps the technician will uses to diagnose and repair vehicles that have low oil pressure after an oil change with the engine Regular Production Option Code L20, L77, L94, L96, L99, L9H, LC8, LC9, LH9, LMF, LMG, LY6, or LZ1. Vehicle may have Service Engine Soon lamp with Diagnostic Trouble Code P0521 or Low Oil Pressure message on the instrument panel. Dealer will need to determine if bulletin 10-06-01-008 was completed. If the bulletin was performed inspect the left rocker cover. Dealer will insure the left rocker can hold water without leaking. If leaks are found apply room temperature vulcanization silicone to the rocker cover if possible or replace the left rocker cover.
11-00-90-001A2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information on the proper oils to use on GM vehicles including information regarding the differences of the Dexos oils.
12-06-01-0092017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on the release of 3 high feature v6 timing chain part kits. To help ease the ordering of large amounts of parts during service.

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