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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.

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
030603004T2018-05-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Battery Testing and Warranty Replacement Requirements (North America ONLY)
02-08-42-001G2018-05-07. Service bulletin. EQUIPMENT. This informational bulletin is to assist with the identification of issues that are not considered warrantable.
13-00-89-004H2018-05-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This information bulletin provides the technician with additional information on fixing the vehicle right the first time by listing possible concerns to specific vehicles.
146482018-04-23. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 14648 - Customer Satisfaction Program. Certain 2008-2010 model year General Motors vehicles have a performance issue with their OnStar modules that could impact the vehicle?s battery life. If the vehicle?s OnStar module contains this condition, the OnStar green telltale light will be illuminated even when the vehicle is off. This condition can drain the vehicle?s battery if the vehicle is not started for approximately four days. The condition may also render the OnStar system inoperative, which would disable all OnStar services, including automatic crash response and emergency roadside services. This condition can occur even if the vehicle is not actively subscribed to OnStar. Dealers are to remove the fuse for the OnStar module to reset it.
04-00-89-015E2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision for 04-00-89-015D to update content and incorporate the U.S. version of Bulletin 12-00-89-003.
03-00-89-006J2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision for 03-00-89-0061I to add the 2014 model year and Transport Mode heading.
11-00-89-005D2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provide policy information on clarification of use-dealer empowerment labor operations and customer enthusiasm.
13-08-116-001A2018-04-23. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; POWER TRAIN; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides a procedure on aftermarket ALSL or DLC devices causing multiple issues due to suspected tampering.
10-00-89-017Z2018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on fix it right for first time issues.
070849020M2018-04-23. Service bulletin. EQUIPMENT. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
150089005A2018-04-23. Service bulletin. EQUIPMENT; ENGINE. This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
150089004B2018-04-23. Service bulletin. EQUIPMENT. This informational bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered seepage.
PI08962018-04-16. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This preliminary informational bulletin provides information on replacement for the auxiliary floor mat retainer due to the floor mat retainer won't seat on the carpet.
02-07-30-029T2018-04-16. Service bulletin. EQUIPMENT. This informational bulletin provides information on the replacement process for the product quality center.
03-00-89-013H2018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin provides information on a update for the Electronic Component Exchange Program (U.S. and Canada Only)
13-00-89-004E2018-04-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary information bulletin provides a revision of 13-00-89-004D to include updated information.
08-08-44-015D2018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This preliminary bulletin explains physical damage to radios and IPCs must be reviewed and validated if covered under GM warranty or not.
04-03-10-013H2018-04-16. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This preliminary bulletin provides information on Radio Favorites Disappear, HD Audio Concerns Favorites Disappear, HD Audio.
13-00-89-0052018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides Warranty Administration - New Labor Codes information.
10-04-20-001E2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision of 10-04-20-001D to add the 2013 model year.
03-06-03-003C2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision of 03-06-03-003B to add the 2010-2014 model years, update the Attention statement, change the terms Claim Type B to Claim Type ZPTI, GM Dealer to GM Service Agent, Repair Order to Job Card, Warranty Claim to Warranty Transaction, and to update the Procedure Information for submitting Vehicle Repairs from WINS to Global Warranty Management (GWM).
99-04-20-002H2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision of 99-04-20-002G to add 2013-2014 model years.
13-00-89-0042018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision of 10-00-89-017Z to include updated information.
PI0572B2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary information bulletin is for information on COAX Repair Kit Availability. Revised from PI0572A
12-06-01-009D2018-04-02. Service bulletin. EQUIPMENT. This informational bulletin provides information for installing the camshaft timing chain kit for the high feature V6 timing chain kits.

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