Technical Service Bulletins (TSB)

BUICK — 9-7X, AVALANCHE, CAMARO, ENVOY, IMPALA, LACROSSE, MONTE CARLO, RAINIER, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SUBURBAN, TAHOE, TRAILBLAZER, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2007–2019) — 294 vehicle combinations

063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in Three or Four Cylinder Mode.

BUICK — CRUZE, ENCORE, EQUINOX, MALIBU, SPARK, TERRAIN, VOLT (2016–2018) — 34 vehicle combinations

060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician related to vehicles that have a Malfunction Indicator Lamp on. A technician may find Diagnostic Trouble Code P050D set as current or history. The technician i

BUICK — 9-3, 9-5, 9-7X, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, BLAZER, BOLT EV, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CHEYENNE, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G3, G5, G6, G8, GENERAL MOTORS, GRAND PRIX, H SERIES, H2, H3, HHR, IMPALA, LACROSSE, LUCERNE, MALIBU, MONTANA, N300, N300 MAX, ORLANDO, OUTLOOK, PURSUIT, REGAL, RELAY, S10, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2008–2021) — 2311 vehicle combinations

060000 ENGINE (PWS)

This informational bulletin provides information on a normal engine operating condition for faster emission warm up time.

BUICK — ACADIA, ATS, CAMARO, CT6, CTS, LACROSSE, XT5 (2016–2017) — 11 vehicle combinations

060000 ENGINE (PWS)

This technical bulletin provides a procedure to install an oil pump if found the cause of the noise from the engine area.

BUICK — ATS, CT6, CTS, ENCLAVE, LACROSSE, REGAL, TRAVERSE, XT5 (2016–2018) — 16 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024). Revised to include the possibility of setting in pairs and some drivabili

BUICK — 3500, 9-7X, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, BLAZER, BOLT EV, C SERIES, CAMARO, CANYON, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CHEYENNE, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G VAN BUS, G3, G5, G6, G8, GRAND PRIX, GTO, H2, H3, HHR, IMPALA, ION, LACROSSE, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 4500, LOW CAB FORWARD 5500, LOW CAB FORWARD 6500, LUCERNE, MALIBU, MONTANA, MONTE CARLO, ORLANDO, OUTLOOK, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, S10, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XT4, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2007–2019) — 611 vehicle combinations

350000 EQUIPMENT

This informational bulletin provides the dealer with information on what to do when requesting a new key code for the customer.

BUICK — ENCLAVE, TRAVERSE (2019) — 2 vehicle combinations

110000 ELECTRICAL SYSTEM

This engineering informational bulletin is requesting information from the field on verifying that the starter is operative and that the DTC codes are active or stored in history.

BUICK — LACROSSE, SIERRA, SIERRA 1500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500 (2016–2019) — 14 vehicle combinations

100001 HYBRID PROPULSION SYSTEM

This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction that has ended for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Bat

BUICK — ACADIA, ATS, BLAZER, CAMARO, CANYON, COLORADO, CT6, CTS, ENCLAVE, EQUINOX, MALIBU, REGAL, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, TERRAIN, TRAVERSE, VOLT, XT4, XT5, XT6, XTS (2017–2020) — 72 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal characteristic

BUICK — ENCORE, EQUINOX, SIERRA 1500, SILVERADO 1500, SONIC, SPARK, TERRAIN, TRAX, XT4 (2015–2019) — 23 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This engineering information PI ends the need for information from the field on reduced engine power, DTC P0299 set.

BUICK — GRAND PRIX, IMPALA, LACROSSE, MONTE CARLO (2004–2019) — 35 vehicle combinations

070000 FUEL SYSTEM, GASOLINE

This PI offers diagnostic tips to a technician when diagnosing a possible fuel level sensor concern. The tech is advised to ohm test the sensor at the terminals located on top of the fuel module while performing a sweep test. If the test fa

BUICK — CRUZE, ENCORE, TRAX (2016–2019) — 73 vehicle combinations

060000 ENGINE (PWS)

This service bulletin provides a procedure to repair the mechanical components and then reprogram the throttle body to prevent the conditions of a rough running engine, MIL Illuminated.

BUICK — 3500, 4500 SERIES, 9-3, 9-5, 9-7X, ACADIA, ALERO, ALERO EXPORT, ASCENDER, ASTRA, ASTRO, ATS, AURA, AURORA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, B7, B7 MEDIUM DUTY, BLAZER, BOLT EV, BONNEVILLE, BRAVADA, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CATERA, CAVALIER, CENTURY, CHEVY VAN, CHEYENNE, CITY EXPRESS, CLASSIC, COBALT, COLORADO, CONVENTIONAL, CORVETTE, CRUZE, CT6, CTS, DEVILLE, DTS, ELDORADO, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, ENVOY XL, ENVOY XUV, EPICA, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, F SERIES, F-SERIES, FIREBIRD, G SERIES, G VAN BUS, G3, G5, G6, G8, GM, GRAND AM, GRAND PRIX, GTO, H SERIES, H-SERIES, H2, H3, HHR, HOMBRE, I-290, I-350, IMPALA, INTRIGUE, ION, JIMMY, JIMMY CLASSIC, L SERIES, L200, L300, LACROSSE, LESABRE, LOW CAB 4500, LOW CAB 5500, LUCERNE, LUMINA, LW200, M SERIES, M VAN, M/L VAN, MALIBU, METRO, MONTANA, MONTANA EXT, MONTE CARLO, N-SERIES, N300, N300 MAX, OPTRA, ORLANDO, OUTLOOK, P SERIES, PARK AVENUE, PRIZM, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, RIVIERA, RODEO, S10, SAFARI, SAFARI (GMC), SAVANA, SEVILLE, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILHOUETTE, SILVERADO, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 3500 HD, SKY, SL, SOLSTICE, SONIC, SONOMA, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUNFIRE, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRACKER, TRAILBLAZER, TRANS SPORT, TRAVERSE, TRAX, TROOPER, UPLANDER, V SERIES, VENTURE, VERANO, VIBE, VOLT, VUE, W SERIES, W-SERIES, XLR, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2000–2018) — 1194 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related component

BUICK — ATS, CAMARO, CRUZE, ELR, ENCORE, EQUINOX, LACROSSE, MALIBU, REGAL, SONIC, SPARK, SRX, TERRAIN, TRAX, VERANO, VOLT, XT4, XTS (2010–2019) — 121 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary Information communication provides information to the technician being unable to program fobs to the vehicle. Technician will need to ensure the key FOB is a new unit and has not been programmed to another vehicle previousl

BUICK — ACADIA, ATS, AURA, CAMARO, CANYON, COLORADO, CTS, ENCLAVE, EQUINOX, G6, G8, IMPALA, LACROSSE, MALIBU, OUTLOOK, SRX, STS, TERRAIN, TORRENT, TRAVERSE, VUE, XTS (2007–2019) — 135 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates the identification process for High Feature V6 camshafts in re-manufactured engines.

BUICK — 3500, 4500 SERIES, 9-3, 9-5, 9-7X, ACADIA, ALERO, ASCENDER, ASTRA, ASTRO, ATS, AURA, AURORA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, B7, B7 MEDIUM DUTY, BLAZER, BOLT EV, BONNEVILLE, BRAVADA, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CATERA, CAVALIER, CENTURY, CHEVY VAN, CHEYENNE, CITY EXPRESS, CLASSIC, COBALT, COLORADO, CONVENTIONAL, CORVETTE, CRUZE, CT6, CTS, DEVILLE, DTS, ELDORADO, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, ENVOY XL, ENVOY XUV, EPICA, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, F-SERIES, FIREBIRD, G SERIES, G3, G5, G6, G8, GRAND AM, GRAND PRIX, GTO, H SERIES, H-SERIES, H2, H3, HHR, HOMBRE, I-290, I-350, IMPALA, INTRIGUE, ION, ISUZU TRUCK, JIMMY, JIMMY CLASSIC, L SERIES, L200, L300, LACROSSE, LESABRE, LOW CAB 4500, LOW CAB 5500, LUCERNE, LUMINA, LW200, MALIBU, METRO, MONTANA, MONTANA EXT, MONTE CARLO, N-SERIES, N300, N300 MAX, OPTRA, ORLANDO, OUTLOOK, PARK AVENUE, PRIZM, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, RIVIERA, RODEO, S10, SAFARI, SAVANA, SEVILLE, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILHOUETTE, SILVERADO, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 3500 HD, SKY, SL, SOLSTICE, SONIC, SONOMA, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUNFIRE, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRACKER, TRAILBLAZER, TRANS SPORT, TRAVERSE, TRAX, TROOPER, UPLANDER, VENTURE, VERANO, VIBE, VOLT, VUE, W SERIES, W-SERIES, XL7, XLR, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2000–2018) — 1128 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D

BUICK — 3500, 9-3, 9-5, 9-7X, ACADIA, ALERO, ASTRA, ASTRO, ATS, AURA, AURORA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, BERETTA, BLAZER, BOLT EV, BONNEVILLE, BRAVADA, C SERIES, CAMARO, CANYON, CAPRICE, CATERA, CAVALIER, CENTURY, CITY EXPRESS, COBALT, COLORADO, CORSICA, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, CUTLASS, DEVILLE, DTS, ELDORADO, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, ENVOY XL, ENVOY XUV, EPICA, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, FIREBIRD, FLEETWOOD, G SERIES, G VAN, G VAN BUS, G3, G5, G6, G8, GENERAL MOTORS, GM, GMC TRUCK, GRAND AM, GRAND PRIX, GTO, H2, H3, HHR, IMPALA, INTRIGUE, ION, JIMMY, JIMMY CLASSIC, L200, L300, LACROSSE, LESABRE, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 4500, LOW CAB FORWARD 5500, LOW CAB FORWARD 6500, LUCERNE, LUMINA, LUMINA APV, M/L VAN, MALIBU, METRO, MONTANA, MONTANA EXT, MONTE CARLO, OUTLOOK, P, PARK AVENUE, PICKUP, PRIZM, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, RIVIERA, ROADMASTER, S/T PICKUP, S10, S10 PICKUP, SAFARI, SAVANA, SEVILLE, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILHOUETTE, SILVERADO, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 3500 HD, SILVERADO 4500HD, SILVERADO 5500HD, SKY, SKYLARK, SL, SOLSTICE, SONIC, SONOMA, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUNFIRE, TAHOE, TERRAIN, TERRAZA, TORRENT, TRACKER, TRAILBLAZER, TRANS SPORT, TRAVERSE, TRAX, UPLANDER, VENTURE, VERANO, VIBE, VOLT, VUE, W SERIES, XLR, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (1995–2020) — 2306 vehicle combinations

350000 EQUIPMENT

This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

BUICK — ACADIA, ATS, BLAZER, BOLT EV, CAMARO, CANYON, CAPRICE POLICE PURSUIT, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT6, CTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, IMPALA, LACROSSE, MALIBU, N300, N300 MAX, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SPARK EV, SRX, SS, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XT4, XT5, XTS, YUKON, YUKON XL (2014–2019) — 244 vehicle combinations

190000 TIRES

This bulletin contains information for the new tires that the vehicle is equipped with and that they are covered by General Motors against defects in material or workmanship under the New Vehicle Warranty (in Canada, the Base Warranty Cover

BUICK — ACADIA, CANYON, COLORADO, CTS, ENCLAVE, ESCALADE, EXPRESS, EXPRESS 1500, H2, H3, IMPALA, LACROSSE, OUTLOOK, REGAL, SAVANA 1500, SIERRA 1500, SILVERADO 1500, STS, SUBURBAN, SUBURBAN 1500, TAHOE, TRAVERSE, VUE (2007–2016) — 100 vehicle combinations

070000 FUEL SYSTEM, GASOLINE

This Preliminary information communicates to the dealer an issue where the vehicle's inspection and maintenance monitors along with diagnostic trouble codes may reset unprompted due to the installation of an aftermarket fuel pump control mo

BUICK — ACADIA, ATS, BLAZER, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CHEYENNE, COLORADO, CT6, CTS, ENCLAVE, ENCORE, ENVISION, EQUINOX, G6, G8, IMPALA, LACROSSE, MALIBU, OUTLOOK, REGAL, RENDEZVOUS, S10, SRX, STS, TERRAIN, TORRENT, TRAILBLAZER, TRAVERSE, VUE, XT4, XT5, XTS (2006–2019) — 216 vehicle combinations

060000 ENGINE (PWS)

This Bulletin Provides Information for Repairing Engine Front Cover Oil Leak, Sealing Surface Preparation and Applying RTV Sealant.

BUICK — ACADIA, ENCLAVE, TRAVERSE, XT5 (2017–2018) — 48 vehicle combinations

060000 ENGINE (PWS)

This technical bulletin provides a procedure to test the fuel level sensors to validate if the cause of the customers concerns and to replace the pump if validated the pump has failed.

BUICK — 9-7X, ACADIA, ASTRA, ATS, AURA, BLAZER, BOLT EV, CAMARO, CANYON, CAPRICE POLICE PURSUIT, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT6, CTS, ELR, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, G3, G5, G6, G8, GRAND PRIX, GTO, H2, H3, IMPALA, ION, LACROSSE, MALIBU, MONTANA, OUTLOOK, PURSUIT, REGAL, RELAY, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TOPKICK, TORRENT, TRAX, VERANO, VIBE, VOLT, VUE, W-SERIES, XT5, XTS, YUKON, YUKON XL (2007–2019) — 308 vehicle combinations

111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

This technical bulletin provides information on Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message On and Off.

BUICK — CAMARO, LACROSSE, XT5 (2016–2019) — 8 vehicle combinations

350000 EQUIPMENT

This technical bulletin provides a procedure to replace the HUD if found the cause of the Head-Up Display Inoperative or MIL Illuminated concern.

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CORVETTE, CRUZE, CTS, ELR, ENCLAVE, ENCORE, EQUINOX, ESCALADE ESV, IMPALA, LACROSSE, MALIBU, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SRX, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, VERANO, VOLT, XTS, YUKON DENALI (2013–2018) — 136 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

This Preliminary Information communication provides information to the technician about the text messaging feature on some newer General Motors infotainment systems. Pair the iPhone to the system then enter the Bluetooth settings menu, sele

BUICK — 3500, 9-5, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, BLAZER, BOLT EV, CAMARO, CANYON, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G VAN BUS, G3, G5, G6, G8, H2, H3, HHR, IMPALA, LACROSSE, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LUCERNE, MALIBU, N300 MAX, OUTLOOK, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TOPKICK, TRAVERSE, TRAX, VERANO, VIBE, VOLT, VUE, W-SERIES, XT4, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2010–2019) — 412 vehicle combinations

350000 EQUIPMENT

This warranty nonadministrative bulletin provides information on the proper use of the labor operation 0600014.