Technical Service Bulletins

BRIGHTDROP — 3500, 4500HD, 5500HD, 6500HD, ACADIA, ATS, BLAZER, BOLT EUV, BOLT EV, CAMARO, CANYON, CAPTIVA, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, ENCLAVE, ENCORE, ENCORE GX, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EV600, EXPRESS, HUMMER EV, IMPALA, LACROSSE, LOW CAB FORWARD 6500, MALIBU, N300, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SONIC, SPARK, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VOLT, XT4, XT5, XT6, XTS, YUKON, YUKON XL (2018–2022) — 238 vehicle combinations

BRIGHTDROP — EV600, HUMMER EV (2022) — 2 vehicle combinations

BRIGHTDROP — ACADIA, ATS, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, BLAZER, BOLT EUV, BOLT EV, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, 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, ESCALADE EXT 1500, EV600, EXPRESS, H3, HHR, HUMMER EV, IMPALA, LACROSSE, LUCERNE, MALIBU, MONTE CARLO, RAINIER, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 4500HD, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, TAHOE, TERRAIN, TERRAZA, TOPKICK, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VERANO, VOLT, XLR, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2006–2022) — 626 vehicle combinations

BRIGHTDROP — ACADIA, ASTRO, ATS, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, BLAZER, BOLT EUV, BOLT EV, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CAVALIER, CENTURY, CITY EXPRESS, CLASSIC, COBALT, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DEVILLE, DTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVOY, ENVOY XL, ENVOY XUV, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EV600, EXPRESS, G SERIES, G3, G6, HHR, HUMMER EV, IMPALA, JIMMY, JIMMY CLASSIC, LACROSSE, LESABRE, LUCERNE, MALIBU, MONTE CARLO, N300, PARK AVENUE, RAINIER, REGAL, RENDEZVOUS, S10, SAFARI, SAVANA, SEVILLE, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 4500HD, SONIC, SONOMA, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, TAHOE, TERRAIN, TERRAZA, TOPKICK, TRACKER, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VENTURE, VERANO, VOLT, XLR, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2003–2022) — 819 vehicle combinations

BRIGHTDROP — 3500, 4500HD, 5500HD, 9-7X, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, BLAZER, BOLT EUV, BOLT EV, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CITY EXPRESS, CLASSIC, COBALT, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVOY, ENVOY XL, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EV600, EXPRESS, G VAN BUS, G3, G5, G6, G8, GRAND PRIX, GTO, H2, H3, HHR, HUMMER EV, IMPALA, ION, LACROSSE, LESABRE, LOW CAB FORWARD 6500, LUCERNE, MALIBU, MONTANA, MONTE CARLO, OUTLOOK, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 4500HD, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, SSR, 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 (2006–2022) — 799 vehicle combinations

BRIGHTDROP — EV600 (2022) — 2 vehicle combinations

BRIGHTDROP — EV600, HUMMER EV (2022) — 2 vehicle combinations

BRIGHTDROP — EV600, HUMMER EV (2022) — 2 vehicle combinations

BRIGHTDROP — 3500, 4500HD, 5500HD, ACADIA, ATS, BLAZER, BOLT EUV, BOLT EV, CAMARO, CANYON, CAPRICE, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, CTS-V, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EV600, EXPRESS, HUMMER EV, IMPALA, LACROSSE, LOW CAB FORWARD 6500, MALIBU, N300, N300 MAX, REGAL, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 4500HD, SONIC, SPARK, SPARK EV, SRX, SS, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT4, XT5, XT6, XTS, YUKON, YUKON XL (2014–2022) — 768 vehicle combinations

BRIGHTDROP — 3500, 3500HD, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, 9-3, 9-4X, 9-5, ACADIA, ALERO, ASTRA, ATS, ATS-V, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, BLAZER, BOLT EUV, BOLT EV, BRIGHTDROP EV600, C3500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CHEYENNE, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CORVETTE E-RAY, CORVETTE ZR1, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DENALI, DTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVISTA, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, ESCALADE HYBRID, EV600, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, G VAN BUS, G3, G3500, G4500, G5, G6, G8, HHR, HUMMER EV, IMPALA, LACROSSE, LESABRE, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LUCERNE, LUMINA, LYRIQ, LYRIQ EV, MALIBU, MALIBU ECO, MALIBU HYBRID, N300, N300 MAX, OPTRA, ORLANDO, OUTLOOK, REGAL, REGAL TOURX, S10, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SAVANNA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SILVERADO EV, SILVERADO LT, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VIBE, VOLT, VUE, W-SERIES, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500 (2011–2024) — 3534 vehicle combinations

BRIGHTDROP — 3500, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, 9-3, 9-5, 9-7X, ACADIA, ALLURE, ASTRA, ATS, ATS-V, AURA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, BLAZER, BOLT EUV, BOLT EV, BRIGHTDROP EV600, C SERIES, C3500, C4500, C5500, C6500, C7500, C8500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CHEYENNE, CITY EXPRESS, COBALT, COBALT SS, COLORADO, CORVETTE, CORVETTE ZR1, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DENALI, DTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVOY, ENVOY 360, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, ESCALADE HYBRID, EV600, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, G VAN BUS, G3, G3500, G4500, G5, G6, G8, H2, H3, HHR, HUMMER EV, IMPALA, LACROSSE, LESABRE, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LUCERNE, LUMINA, MALIBU, MALIBU ECO, MALIBU HYBRID, MONTANA, MONTE CARLO, N300, N300 MAX, OPTRA, ORLANDO, OUTLOOK, PURSUIT, REGAL, REGAL TOURX, S10, SANANA, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SAVANNA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, T SERIES, T6500, T7500, T8500, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TOPKICK, TORRENT, TRAILBLAZER, TRAILBLAZER 360, TRAVERSE, TRAX, UPLANDER, VERANO, VIBE, VOLT, VUE, W-SERIES, W3500, W4500, W5500, XLR, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500 (2009–2023) — 2766 vehicle combinations