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Service bulletins for the 2011 Chevrolet Avalanche

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.

1558 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
PI0412A2018-04-16. Service bulletin. ELECTRICAL SYSTEM. This preliminary informational bulletin provides information on communication interface module replacement.
10-06-01-008G2018-04-16. Service bulletin. ENGINE. This technical bulletin provides a procedure to install the updated valve cover for models built with the prior date listed to correct oil consumption of vehicles with higher mileage.
10-00-89-006C2018-04-16. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: RADAR. This informational bulletin provides directions on submitting different PIRs
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.
10-06-01-008J2018-04-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin is a revision of 10-06-01-008I to add the 2010-2012 Chevrolet Colorado and GMC Canyon, RPO LH9 and update the Labor Operation to the Global Labor Code (GLC).
PI0754A2018-04-16. Service bulletin. VISIBILITY:WINDSHIELD. This preliminary bulletin explains the marks in the glass are normal when wearing polarized sunglasses and do not replace any glass for this reason.
05-00-89-072C2018-04-16. Service bulletin. FUEL SYSTEM, OTHER; FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. This informational bulletin provides information on how to save fuel and proper maintenance without using fuel or oil additives.
13-00-89-0052018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides Warranty Administration - New Labor Codes information.
13-00-89-004A2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision of 13-00-89-004 to update car issues information for reference information/bulletin PI0746C.
PI0564C2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary information bulletin provides a revision of PI0564B to add models.
11-08-44-003A2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision of 11-08-44-003 to update the Sample Customer Notification Letter.
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).
12-04-21-001B2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a revision of 12-04-21-001A to add the 2013 model year, clarify the information from the previous bulletin and to add data throughout. The document should be reviewed and treated as new information.
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
03-06-03-004I2018-04-02. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This informational bulletin provides information for warranty codes that are generated by EL-50313 midtronics GR8 battery tester/charger.
PI10182018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary information bulletin provides information on poor or no transmitter range when using the remote keyless entry (RKE) and/or remote vehicle start (RVS).
02-07-30-029U2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information for the PQC assembly replacement process.
10-00-89-010C2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on key codes security rules and information on GM key code look up application.
13-00-89-0082018-04-02. Service bulletin. ELECTRICAL SYSTEM:WIRING. This informational bulletin provides information for GM wiring repair.
10-00-89-009B2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on key code security and information on GM key code look up applications.
PIT5049D2018-03-12. Service bulletin. SUSPENSION:REAR:SHOCK ABSORBER; SUSPENSION:FRONT:SHOCK ABSORBER. This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. If published Service Information diagnostics do not lead to a repair for the concern. Technician should inspect the opposite side shock/strut for the cause of the concern.
PIP5226B2018-02-21. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.

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