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Service bulletins for the 2015 GMC Sierra

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.

3109 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
14725A2017-02-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:WIRING. 14725A - SERVICE UPDATE (REVISED SERVICE INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO TIE STRAP THE “MAIN” AND “BCM” BRANCHES OF THE BODY HARNESS (NEAR THE FRONT OF DASH PASS-THROUGH INSIDE THE VEHICLE) TOGETHER TO PREVENT THEM FROM COMING IN CONTACT WITH PARK BRAKE BRACKET ON CERTAIN VEHICLES. THESE VEHICLES MAY HAVE EXPOSED BODY HARNESS WIRES IN CLOSE PROXIMITY TO THE PARKING BRAKE BRACKET AT THE FRONT DASH PASS-THROUGH INSIDE THE VEHICLE. THE EXPOSED BODY HARNESS WIRES CAN RUB AGAINST OR BE PINCHED BY THE BRAKE BRACKET. WHILE THERE IS NO EVIDENCE OF THIS HAPPENING IN CUSTOMER VEHICLES, IF THE WIRES WERE TO BE SUFFICIENTLY DAMAGED FROM RUBBING AGAINST OR BEING PINCHED BY THE BRAKE BRACKET, CERTAIN ELECTRICAL SYSTEMS COULD BE AFFECTED. FOR EXAMPLE, SUFFICIENT DAMAGE TO THE WIRES COULD RESULT IN THE LOSS OF VARIOUS EXTERIOR LIGHTS, WIPERS, THE DRIVER’S AIRBAG TELLTALE LIGHT, THROTTLE CONTROL, DEFOG CONTROLS, OR TRAILER BRAKE CONTROLS. IN ADDITION, WHILE THERE IS NO EVIDENCE OF ANY STALLS RESULTING FROM THIS CONDITION, IT IS POSSIBLE THAT IF THE RUN/CRANK WIRE WAS SUFFICIENTLY DAMAGED, IT COULD RESULT IN AN ENGINE STALL. DEPENDING ON WHICH CIRCUIT IS DAMAGED, A TELLTALE OR DIC MESSAGE MAY BE DISPLAYED ALERTING THE CUSTOMER THAT AN ISSUE EXISTS.
152172017-02-01. Service bulletin. ENGINE; ELECTRICAL SYSTEM:WIRING. 15217 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT THE ROUTING OF THE TRANSMISSION CONTROL MODULE (TCM) BRANCH OF THE ENGINE-WIRING HARNESS ON CERTAIN 2015 CHEVROLET SILVERADO AND GMC SIERRA HD VEHICLES THAT ARE EQUIPPED WITH DUAL GENERATORS (KHB). DEALERS ARE TO ENSURE THAT THE HARNESS IS ROUTED PROPERLY AND SECURED WITH A FIR-TREE CLIP. ON THESE VEHICLES, THE TCM BRANCH OF THE ENGINE-WIRING HARNESS MAY HAVE BEEN MISROUTED AND NOT SECURED WITH AN EXISTING FIR-TREE CLIP ON THE AUXILIARY-POSITIVE BATTERY CABLE, POTENTIALLY ALLOWING THE HARNESS TO COME IN CONTACT WITH EITHER THE AUXILIARY-GENERATOR PULLEY OR BELT.
151782017-02-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL); ENGINE. "15178 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO PERFORM A DRIVE AUDIT AND, IF NECESSARY, REPLACE THE REACTION/OUTPUT CARRIER ASSEMBLY AND ASSOCIATED PARTS ON CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE, ESCALADE ESV; CHEVROLET SILVERADO LD CREW, SILVERADO LD CREW LTZ, SILVERADO LD EXT LTZ; AND GMC SIERRA LD CREW, SIERRA LD CREW DENALI, SIERRA LD EXT, YUKON, YUKON DENALI, YUKON XL, YUKON XL DENALI VEHICLES EQUIPPED WITH AN 8-SPEED TRANSMISSION (M5U) AND A 6.2L ENGINE (L86). SOME OF THESE VEHICLES MAY EXHIBIT A TRANSMISSION GEAR WHINE NOISE AT 1000-2000 RPM AND BETWEEN 20 MPH (32 KPH) AND 35 MPH (56 KPH)."
150572017-02-01. Service bulletin. STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS. 15057 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT THE RIGHT-REAR DOOR FOR WELD COMPLETENESS AND, IF REQUIRED, INSTALL SERVICE RIVETS ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO AND GMC SIERRA DOUBLE CAB VEHICLES. THESE VEHICLES MAY HAVE A CONDITION IN WHICH THE RIGHT-REAR DOOR IS MISSING TWO LASER WELDS IN THE LOWER-REAR CORNER. THESE MISSING WELDS MAY LEAD TO A SQUEAK OR RATTLE CONDITION WHEN CLOSING THE DOOR.
142812017-02-01. Service bulletin. SEATS; ELECTRICAL SYSTEM. 14281 - CUSTOMER SATISFACTION PROGRAM. CERTAIN 2014-2015 MODEL YEAR CHEVROLET SILVERADO, SUBURBAN, AND TAHOE MODEL VEHICLES AND 2014-2015 MODEL YEAR GMC SIERRA AND YUKON MODEL VEHICLES EQUIPPED WITH A DEALER INSTALLED REAR ENTERTAINMENT SYSTEM MAY HAVE A CONDITION IN WHICH THE REAR SEAT ENTERTAINMENT SYSTEM IN VEHICLES WAS RELEASED AS A DEALER ACCESSORY BEFORE FINAL GENERAL MOTORS VALIDATION APPROVAL. VALIDATION APPROVAL AT GM REQUIRES VERY RIGOROUS TESTING PRIOR TO RELEASE, WHICH, IN MANY CASES, GOES BEYOND WHAT IS REQUIRED TO COMPLY WITH GOVERNMENTAL SAFETY STANDARDS. THESE VEHICLES, AS EQUIPPED, STILL MEETS ALL FEDERAL MOTOR VEHICLE SAFETY STANDARDS. DEALERS ARE TO REMOVE AND REPLACE THE HINGED SCREEN STYLE REAR SEAT ENTERTAINMENT SYSTEM, WITH A REVISED SYSTEM FEATURING AN INTEGRAL SCREEN.
153892017-02-01. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. 15389 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE TRANSMISSION CONTROL MODULE (TCM) ON CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE, ESCALADE ESV, CHEVROLET SILVERADO, GMC SIERRA, YUKON DENALI AND YUKON DENALI XL VEHICLES EQUIPPED WITH AN 8L90 8-SPEED (M5U) TRANSMISSION AND 6.2L (L86) ENGINE. THESE VEHICLES MAY HAVE A CONDITION IN WHICH TRANSMISSION CALIBRATION ALLOWS A HIGHER THAN TARGET ENERGY INPUT TO THE TORQUE CONVERTER CLUTCH (TCC) UNDER CERTAIN CONDITIONS. THIS MAY LEAD TO FASTER THAN EXPECTED TORQUE CONVERTER CLUTCH MATERIAL WEAR, AND A SHUDDER FEELING WHEN THE TCC IS APPLIED.
152162017-01-31. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:MANUAL TRANSMISSION. 15216 - CUSTOMER SATISFACTION PROGRAM. CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE AND ESCALADE ESV; CHEVROLET SILVERADO LD CREW AND DOUBLE CAB; AND GMC SIERRA LD CREW, SIERRA LD CREW DOUBLE CAB, YUKON, AND YUKON XL MODEL VEHICLES THAT ARE EQUIPPED WITH A 6.2L ENGINE (RPO L86) AND 8-SPEED AUTOMATIC TRANSMISSION (RPO M5U) MAY HAVE A CONDITION IN WHICH THE U-JOINT RETAINER BOLTS LOSE INDEX. IF THIS CONDITION OCCURS, THE CUSTOMER MAY HEAR OR FEEL A “CLUNKING” NOISE WHEN CHANGING SPEED. IF THIS CONDITION IS NOT CORRECTED, REDUCED CLAMP LOAD MAY CAUSE THE PROPSHAFT TO MOVE RELATIVE TO THE AXLE YOKE AND THE CUSTOMER MAY FEEL A VIBRATION. IF ONE OR MORE BOLTS BACK OUT COMPLETELY, THE PROPSHAFT MAY SEPARATE FROM THE AXLE RESULTING IN A LOSS OF DRIVE AND POTENTIAL DAMAGE TO THE UNDERSIDE OF THE VEHICLE. DEALERS ARE TO REPLACE TWO U-JOINT RETAINERS AND FOUR U-JOINT RETAINER BOLTS WITH NEW BOLTS THAT INCLUDE AN ADHESIVE PATCH.
15178A2017-01-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:MANUAL TRANSMISSION. 15178A - SERVICE UPDATE (REVISED PARTS INFORMATION, SERVICE PROCEDURE AND WARRANTY TRANSACTION INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO PERFORM A DRIVE AUDIT AND, IF NECESSARY, REPLACE THE REACTION/OUTPUT CARRIER ASSEMBLY AND ASSOCIATED PARTS ON CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE, ESCALADE ESV; CHEVROLET SILVERADO LD CREW, SILVERADO LD CREW LTZ, SILVERADO LD EXT LTZ; AND GMC SIERRA LD CREW, SIERRA LD CREW DENALI, SIERRA LD EXT, YUKON, YUKON DENALI, YUKON XL, YUKON XL DENALI VEHICLES EQUIPPED WITH AN 8-SPEED TRANSMISSION (M5U) AND A 6.2L ENGINE (L86). SOME OF THESE VEHICLES MAY EXHIBIT A TRANSMISSION GEAR WHINE NOISE AT 1000-2000 RPM AND BETWEEN 20 MPH (32 KPH) AND 35 MPH (56 KPH).
15435A2017-01-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. 15435A - SERVICE UPDATE (REVISED SERVICE PROCEDURE). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE TORQUE CONVERTER ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO HD, GMC SIERRA HD AND GMC SIERRA DENALI HD VEHICLES EQUIPPED WITH AN ALLISON 6-SPEED AUTOMATIC TRANSMISSION (RPO MW7). THESE VEHICLES MAY HAVE BEEN ASSEMBLED WITH AN INCORRECTLY MACHINED TORQUE CONVERTER. CUSTOMERS MAY EXPERIENCE NOISE, POOR PERFORMANCE AND, IF THIS CONDITION IS NOT CORRECTED, EVENTUAL TRANSMISSION FAILURE.
154352017-01-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. 15435 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE TORQUE CONVERTER ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO HD, GMC SIERRA HD AND GMC SIERRA DENALI HD VEHICLES EQUIPPED WITH AN ALLISON 6-SPEED AUTOMATIC TRANSMISSION (RPO MW7). THESE VEHICLES MAY HAVE BEEN ASSEMBLED WITH AN INCORRECTLY MACHINED TORQUE CONVERTER. CUSTOMERS MAY EXPERIENCE NOISE, POOR PERFORMANCE AND, IF THIS CONDITION IS NOT CORRECTED, EVENTUAL TRANSMISSION FAILURE.
154112017-01-31. Service bulletin. ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM. 15411 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSTALL FUSES AND RELAYS AS REQUIRED IN THE UNDERHOOD ELECTRICAL CENTER (UEC) ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO AND GMC SIERRA VEHICLES EQUIPPED WITH AN ACCESSORY-WIRING-JUNCTION-BLOCK (RPO 9L7). THESE VEHICLES MAY HAVE MISSING FUSES AND RELAYS. THE CUSTOMER MAY NOTICE THAT THE AUXILIARY SWITCHES ARE INOPERATIVE AFTER THE FUNCTION IS ADDED TO THE VEHICLE.
15203A2017-01-31. Service bulletin. SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS. 15203A - SERVICE UPDATE (REVISED SERVICE PROCEDURE). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT AND, IF REQUIRED, RETIGHTEN THE TORQUE ON THE RIGHT-REAR-BRAKE-LINE-BRACKET BOLT TO THE REAR-AXLE ON CERTAIN FORT WAYNE ASSEMBLY PLANT BUILT 2014-2015 CHEVROLET SILVERADO LD, 2015 CHEVROLET SILVERADO HD, 2014-2015 GMC SIERRA LD, 2015 GMC SIERRA HD AND 2015 GMC SIERRA DENALI LD VEHICLES. THESE VEHICLES MAY HAVE BEEN ASSEMBLED WITH AN INCORRECTLY TORQUED RIGHT-REAR-BRAKE-LINE-BRACKET BOLT TO THE REAR AXLE. THIS CONDITION COULD ALLOW THE BRAKE LINE TO WEAR AGAINST THE REAR-AXLE HOUSING AND CAUSE A BRAKE-FLUID LEAK.
152062017-01-31. Service bulletin. SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS. 15203 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT AND, IF REQUIRED, RETIGHTEN THE TORQUE ON THE RIGHT-REAR-BRAKE-LINE-BRACKET BOLT TO THE REAR-AXLE ON CERTAIN FORT WAYNE ASSEMBLY PLANT BUILT 2014-2015 CHEVROLET SILVERADO LD, 2015 CHEVROLET SILVERADO HD, 2014-2015 GMC SIERRA LD, 2015 GMC SIERRA HD AND 2015 GMC SIERRA DENALI LD VEHICLES. THESE VEHICLES MAY HAVE BEEN ASSEMBLED WITH AN INCORRECTLY TORQUED RIGHT-REAR-BRAKE-LINE-BRACKET BOLT TO THE REAR AXLE. THIS CONDITION COULD ALLOW THE BRAKE LINE TO WEAR AGAINST THE REAR-AXLE HOUSING AND CAUSE A BRAKE-FLUID LEAK.
15038 MESSAGE2017-01-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 15038 - DEALER MESSAGE ONLY. SELECT 2015 VEHICLES WILL RECEIVE A SOFTWARE DOWNLOAD VIA ONSTAR® TO UPDATE THE SOFTWARE FOR THE ELECTRONIC CLIMATE CONTROL (ECC) SYSTEM. THE UPDATE WILL BE PERFORMED ON DEALER INVENTORY VEHICLES, WITH THE UPDATE OCCURRING DURING THE NIGHT TIME HOURS OF 1AM TO 5AM EDT. UPDATES WILL BE ROLLED OUT TO THE INVENTORY STARTING 6/29/2015 AND COMPLETE BY END OF SEPTEMBER 2015. NO FURTHER ACTION IS REQUIRED BY THE DEALER. THIS UPDATE WILL TAKE APPROXIMATELY 15 MINUTES.
15435B2017-01-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:MANUAL TRANSMISSION. "15435B - SERVICE UPDATE (REVISED PART INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE TORQUE CONVERTER ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO HD, GMC SIERRA HD AND GMC SIERRA DENALI HD VEHICLES EQUIPPED WITH AN ALLISON 6-SPEED AUTOMATIC TRANSMISSION (RPO MW7). THESE VEHICLES MAY HAVE BEEN ASSEMBLED WITH AN INCORRECTLY MACHINED TORQUE CONVERTER. CUSTOMERS MAY EXPERIENCE NOISE, POOR PERFORMANCE AND, IF THIS CONDITION IS NOT CORRECTED, EVENTUAL TRANSMISSION FAILURE. "
153962017-01-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. "15396 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSTALL THE ORIGINAL DESIGN TEMPERATURE-SENSOR WIRING HARNESS TO THE VALVE BODY ON CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE AND ESCALADE ESV; CHEVROLET SILVERADO; AND GMC SIERRA, YUKON, AND YUKON XL VEHICLES. THE SUPPLIER OF THE TRANSMISSION-WIRING HARNESS INTRODUCED AN UNAPPROVED CHANGE TO THE TEMPERATURE SENSOR (THERMISTOR), RESULTING IN INCORRECT OIL-TEMPERATURE READINGS DURING TRANSITION FROM COLD TO WARM TEMPERATURES. THIS COULD CAUSE A HARSH SHIFT WHEN STARTING THE VEHICLE AT TEMPERATURES BELOW 32ºF (0ºC); HOWEVER, SHIFT QUALITY IMPROVES ONCE THE TRANSMISSION OIL WARMS UP."
151552017-01-30. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). 15155 - CUSTOMER SATISFACTION PROGRAM. CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE, CADILLAC ESCALADE ESV, CHEVROLET SILVERADO CREW CAB, CHEVROLET SUBURBAN, CHEVROLET TAHOE, GMC SIERRA CREW CAB, GMC YUKON, AND GMC YUKON XL VEHICLES MAY HAVE A CONDITION THAT CAN ALLOW WATER TO LEAK INTO THE VEHICLE’S ROOF-MOUNTED ANTENNA. THIS CONDITION COULD PREVENT THE VEHICLE’S ONSTAR SYSTEM FROM ACCURATELY DETERMINING THE VEHICLE’S LOCATION; DISABLE THE VEHICLE’S COMPASS, NAVIGATION, AND XM RADIO SYSTEMS; ILLUMINATE THE VEHICLE’S RED ONSTAR LED INDICATOR; AND ALLOW WATER INTO THE INTERIOR PASSENGER COMPARTMENT. DEALERS ARE TO REPLACE THE ONSTAR® ANTENNA.
151152017-01-30. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 15115 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM AND UPDATE THE GLOW-PLUG CONTROL MODULE WITH NEW SOFTWARE ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO HD CREW, HD CREW LTZ, HD REGULAR, HD EXT, HD EXT LTZ VEHICLES EQUIPPED WITH A DURAMAX DIESEL ENGINE (RPO LML) AND CERTAIN 2015 MODEL YEAR GMC SIERRA HD CREW, HD CREW DENALI, HD REGULAR, HD EXT VEHICLES EQUIPPED WITH A DURAMAX DIESEL ENGINE (RPO LML). THE SOFTWARE UPDATE LIMITS THE INTAKE-AIR HEATER INPUT VOLTAGE TO 13.5V. WHEN THE SYSTEM VOLTAGE EXCEEDS 13.5V, THE HEATER’S FIELD-EFFECT TRANSISTOR CAN GENERATE EXCESSIVE HEAT. THIS HEAT CAN CAUSE A SHORT CIRCUIT IN THE TRANSISTOR AND, IN RARE CASES, A FIRE IN THE VEHICLE’S ENGINE COMPARTMENT.
15795 MESS 32017-01-26. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. 15795 - SERVICE UPDATE (UPDATED VIN LIST). THE TOTAL NUMBER OF U.S. VEHICLES INVOLVED HAS BEEN EXPANDED.
15795 MESS 22017-01-26. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. 15795 - SERVICE UPDATE (UPDATED VIN LIST). THE TOTAL NUMBER OF U.S. VEHICLES INVOLVED HAS EXPANDED.
157952017-01-26. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; ELECTRICAL SYSTEM. 15795 - SERVICE UPDATE. VEHICLES INVOLVED IN THIS SERVICE UPDATE WERE PLACED ON STOP DELIVERY OCTOBER 16, 2015. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSTALL A MIRROR SWITCH, BEZEL AND WIRE HARNESS IN CERTAIN VEHICLES EQUIPPED WITH POWER OUTSIDE REAR VIEW MIRRORS (RPO DL8 OR DPN). THESE VEHICLES WERE BUILT WITHOUT A MIRROR ADJUSTMENT SWITCH ON THE DRIVER’S SIDE DOOR PAD CAUSING THE INABILITY TO ADJUST THE GLASS POSITION OF THE POWER OUTSIDE REAR VIEW MIRROR.
156572017-01-26. Service bulletin. EQUIPMENT. 15657 - CUSTOMER SATISFACTION PROGRAM. CERTAIN VEHICLES EQUIPPED WITH L96 OR LC8 ENGINE MAY HAVE BEEN BUILT WITHOUT A FRAME MOUNTED HEAT SHIELD THAT IS DESIGNED TO PROTECT THE BRAKE LINES FROM THE HEAT EMISSION OF THE EXHAUST SYSTEM. DEALERS ARE TO INSPECT FOR THE PRESENCE OF THE FRONT FRAME EXHAUST HEAT SHIELD AND, IF MISSING, INSTALL A NEW HEAT SHIELD.
156172017-01-26. Service bulletin. ENGINE. 15617 - CUSTOMER SATISFACTION PROGRAM. CERTAIN VEHICLES EQUIPPED WITH A 6.2L (L86) ENGINE AND ENHANCED TOWING (NHT) MAY HAVE BEEN BUILT WITH AN INNER GRILLE NOT INTENDED FOR THIS APPLICATION. AT THE TRUCKS ADVERTISED TOWING CAPACITY OF 17,700 LBS. (8,025 KG.), ENGINE COOLANT AND ENGINE OIL TEMPERATURES MAY EXCEED DESIGN INTENT. THERE IS NO ENGINE OIL TEMP MONITORING OR CUSTOMER WARNING. PROLONGED TIME, OR MULTIPLE DRIVE CYCLES OVER THE ALLOWABLE MAX OIL TEMP MAY RESULT IN REDUCED OIL LIFE, ENGINE COMPONENT THERMAL STRESS, AND EVENTUAL ENGINE FAILURE. DEALERS ARE TO REPLACE THE INNER GRILLE.
15795 MESSAGE2017-01-25. Service bulletin. EQUIPMENT. 15795 - SERVICE UPDATE. THIS MESSAGE IS TO INFORM DEALERS THAT THE TOTAL NUMBER OF U.S. VEHICLES INVOLVEDIN THIS FIELD ACTION PLACED ON STOP DELIVERY ON OCTOBER 16, 2015, HAS BEEN CONDENSED TO 871.
10-08-110-001E2017-01-19. Service bulletin. EQUIPMENT. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON THE PROPER USE OF FLOOR MATS.

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