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Service bulletins for the 2006 GMC Envoy

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.

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

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Bulletins, newest first
PIP5094A2016-09-26. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT ,WHEN TESTING ANY CIRCUIT FOR OPEN OR RESISTANCE, IT IS IMPERATIVE THAT ALL RELATED TERMINAL PIN FIT AND TENSION BE CHECKED WHEN THE TEST STEPS REQUIRE DISCONNECTION OF THE CONNECTOR OR COMPONENT, PRIOR TO ANY COMPONENT REPLACEMENT. ALWAYS USE THE RECOMMENDED TERMINAL TEST TOOL DURING THESE TESTS.
PIP3940C2016-09-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE PROPER USE OF THE LOWER TIMING GEAR TENSIONER HOLDING TOOL (EN48464). BEFORE USING THE TOOL, MAKE SURE THAT THE TOOL HANDLE AND THREADED ROD UNSCREW FROM THE WEDGE. IF THE TOOL HANDLE UNSCREWS FROM THE THREADED ROD, LEAVING THE THREADED ROD SCREWED INTO THE WEDGE APPLY THREAD LOCKER TO THE THREADS OF THE TOOL HANDLE AND SCREW IT ONTO THE THREADED ROD TO PREVENT IT FROM COMING OFF IN THE FUTURE. THIS SHOULD BE DONE BEFORE REPLACING THE CYLINDER HEAD BY FOLLOWING THE LATEST VERSION OF 06-06-01-017. THE PROCEDURE FOR INSTALLING THE WEDGE TOOL IN THE LATEST VERSION OF 06-06-01-017 ADVISES THAT THE WEDGE SHOULD BE LIGHTLY SEATED USING A COUPLE OF VERY LIGHT TAPS WITH A SMALL PLASTIC OR BRASS HAMMER. ALTHOUGH THESE SHOULD BE LIGHT TAPS, THEY SHOULD ALSO BE SOLID TAPS TO ENSURE THAT THE WEDGE IS SEATED PROPERLY.
PIT-5485-B2016-08-17. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE, TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE.
PIC-5374-D2016-08-17. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF RECEIVING FREQUENT "OFF ROUTE" MESSAGES WHILE FOLLOWING TURN BY TURN (TBT) ROUTE NAVIGATION. THE TECHNICIAN IS PROVIDED INSTRUCTIONS FOR RESETTING THE VEHICLE COMMUNICATION INTERFACE MODULE FOR THIS CONCERN.
PIC-4935-E2016-08-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. 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.
PIC-5050-A2016-08-17. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON REPAIRING THE CONCERN. A CUSTOMER MAY IDENTIFY A CONCERN OF UNABLE TO REACTIVATE A VEHICLE'S ONSTAR THAT HAS BEEN PREVIOUSLY DISABLED BY ONSTAR. DEALER IS TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE IF THE CONCERN IS STILL PRESENT.
PIC-5260-A2016-08-11. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS.
PI-0754-B2016-08-08. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON A NORMAL CONDITION ON TEMPERED GLASS OF SPOTS SHOWING ON THE REAR AND SIDE WINDOWS WHEN THE VEHICLE IS IN THE SUNLIGHT.
113232016-06-09. Service bulletin. EQUIPMENT:ELECTRICAL; LATCHES/LOCKS/LINKAGES. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-0000156288-A2016-03-31. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-121802016-03-16. Service bulletin. STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-12180-E2016-03-16. Service bulletin. STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-12180-D2016-03-16. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-12180-C2016-03-16. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-12180-B2016-03-16. Service bulletin. STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-12180-A2016-03-16. Service bulletin. STRUCTURE:BODY:DOOR. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-121802016-03-16. Service bulletin. STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-12180-A2016-03-16. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-10054E2016-03-16. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-29152016-03-16. Service bulletin. ELECTRICAL SYSTEM:WIRING; STRUCTURE:BODY:DOOR; EQUIPMENT:ELECTRICAL. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP-4573-B2016-01-16. Service bulletin. EQUIPMENT; ENGINE. BUICK/SAAB/CHEVROLET/HUMMER/GMC: SOME VEHICLES ARE EXPERIENCING, AT A COLD START FOR ENGINES, REDUCTION IN ENGINE POWER AND SES LIGHT, WHEN TEMPERATURES ARE -10F (-23C) AND ALSO REAR/FRONT CRANK SEAL, CAM COVER GASKET AND DIPSTICK TUBE WILL BE LEAKING OIL. MODEL 2004-07 RAINIER, 2002-09 TRAIL BLAZER, ENVOY, 2004-12 COLORADO, CANYON, 2006-12 H3, 2005-09 97X. *PE
SB-113232013-03-26. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; STRUCTURE:BODY:DOOR. BUICK/CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. POWER DOOR LOCK AND POWER WINDOW SWITCHES MAY HAVE A SHORT, CAUSED BY FLUID ENTERING DRIVER'S DOOR MODULE, AND MAY BECOME INOPERATIVE OR OPERATE INTERMITTENTLY. MODELS 2006-2007 RAINIER, TRAILBLAZER EXT, TRAILBLAZER, ENVOY, ENVOY XL. *PE
PIT-51412012-04-10. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. BUICK/CADILLAC/CHEVROLET/GMC/OLDSMOBILE: IF BLOWER MOTOR IS SET TO ANY SPEED POSITION AND WHEN KEY IS OFF, IT BECOMES INOPERATIVE AND MAY STILL BE INOPERATIVE AFTER KEY IS TURNED ON. *PE UPDATED ON 5/1/12. *JS
PIP-3366-B2012-02-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CADILLAC/CHEVROLET/GMC/HUMMER: SOME SUVS AND TRUCKS ARE EXHIBITING A CONDITION WHERE BY GRINDING/RATCHETING TYPE NOISE COMING FROM AUTOMATIC TRANSMISSION WHEN SHIFTING INTO PARK WHILE IN 4WD LOW (4LO) RANGE. *PE
SB-100542011-10-04. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. BUICK/CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. FUEL LEVEL SENSOR CONTACT WEAR MAY BE PREMATURE. *PE UPDATED 10/5/11. *PE UPDATED 12/5/11. *PE UPDATED 12/6/11. *PE UPDATED 9/30/13. *PE

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