Technical Service Bulletins (TSB)

CADILLAC — CT5 (2020–2022) — 3 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This service bulletin provides a service procedure to correct a customer concern of a Rattle Noise/Vibration from Under Vehicle.

CADILLAC — CANYON, COLORADO, ESCALADE, ESCALADE ESV, EXPRESS, EXPRESS CUTAWAY VAN, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SUBURBAN, SUBURBAN 1500, TAHOE, XT4, YUKON, YUKON XL, YUKON XL 1500 (2019–2024) — 465 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.

CADILLAC — COLORADO, CRUZE, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, G VAN BUS, G4500, HUMMER EV, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SUBURBAN, SUBURBAN 1500, TAHOE, TERRAIN, XT4, YUKON, YUKON XL (2010–2024) — 864 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This informational bulletin explains how to identify possible DEF contamination.

CADILLAC — 3500, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, C SERIES, C3500, C4500, C5500, C6500, C7500, C8500, CANYON, COLORADO, CRUZE, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, F SERIES, G VAN BUS, G1500, G3500, G4500, H SERIES, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SUBURBAN, SUBURBAN 1500, T SERIES, T6500, T7500, T8500, TAHOE, TOPKICK, W SERIES C3 3500, W-SERIES, W3500, W4500, W5500, W5500HD, YUKON, YUKON XL (2007–2023) — 886 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.

CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL (2019–2024) — 199 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This informational bulletin provides a way for the technician to identify if the ECM has been modified.

CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SILVERADO 1500, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL (2020–2023) — 26 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Informational bulletin advises the technician of a possible oil leak at the front cover and how to diagnose it to verify if it is coming from the seal or not.

CADILLAC — CRUZE, EQUINOX, ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SUBURBAN, SUBURBAN 1500, TAHOE, TERRAIN, YUKON (2014–2023) — 369 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.

CADILLAC — ACADIA, EQUINOX, MALIBU, TERRAIN, XT4, XT5, XT6 (2022) — 7 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This preliminary information discusses Information On Vehicle Option Retrofits Due to The Chip Shortage.

CADILLAC — ATS, ATS-V, CAMARO, CANYON, COLORADO, CORVETTE, CT4, CT6, CTS, CTS-V, ESCALADE, ESCALADE ESV, EXPRESS, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA 1500, SILVERADO 1500, SUBURBAN, YUKON DENALI (2015–2022) — 88 vehicle combinations

100000 POWER TRAIN

This informational bulletin advises the technician of possibly installing the incorrect 1-2-7-8-R clutch fluid passage seal and which seal should be used with measurements of the seal.

CADILLAC — ACADIA, BLAZER, XT5, XT6 (2019–2022) — 60 vehicle combinations

070000 FUEL SYSTEM, GASOLINE

This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. The technician is instructed to inspect a wiring harnes

CADILLAC — ACADIA, BLAZER, TRAVERSE, XT5 (2017–2023) — 44 vehicle combinations

020000 SUSPENSION

This Preliminary information communicates that a vehicle may be encountered with a clunk or rattle from the front of the vehicle. The dealer technician is instructed to remove the cradle brace and see if the noise is gone. If the noise is g

CADILLAC — ESCALADE ESV, SUBURBAN, TAHOE, YUKON XL (2021–2022) — 16 vehicle combinations

130000 VISIBILITY/WIPER (PWS)

This Preliminary information communicates a issue where the rear windshield wipers will not be in the park position and will cause the rear back glass not to open with the switch or the RKE fob. This explains how to repair that concern.

CADILLAC — LYRIQ (2023) — 2 vehicle combinations

050000 PARKING BRAKE

This Preliminary information communicates a U3000 SYM49 may set if a image display camera is disconnected or has a loose connection.

CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL, YUKON XL 1500 (2021–2024) — 170 vehicle combinations

100000 POWER TRAIN

This informational bulletin advises the tech to check if the trans cooler lines are twisted which may cause the customers concern.

CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL (2022) — 28 vehicle combinations

160000 STRUCTURE

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on the articulating running boards are inoperable.

CADILLAC — CT6 (2019–2020) — 4 vehicle combinations

060000 ENGINE AND ENGINE COOLING

Dimensional change to the fuel feed pipe and fuel rail assembly during the 2019 model year. This change prompted a release of a 2nd design fuel feed pipe, fuel rail assembly, oil cooler pipe and engine front cover. This second design fuel f

CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL (2021–2023) — 40 vehicle combinations

160000 STRUCTURE

This technical bulletin provides the procedure to align the right rear door to correct the condition of Right Rear Door Alignment.

CADILLAC — ATS, ATS-V, CAMARO, CORVETTE, CT4, CT6, CTS, CTS-V, ESCALADE, ESCALADE ESV, EXPRESS, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA 1500, SILVERADO 1500, TAHOE, TAHOE POLICE PURSUIT, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2015–2023) — 236 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This technical bulletin provides information on a possible bolt and guide pin that may be missing from the control valve which will need to be installed to correct the repair.

CADILLAC — CT5 (2021–2022) — 2 vehicle combinations

030000 BRAKES (PWS)

This engineering information (EI) closure ends the need for further information from the field in regards to a noise heard while braking, slightly braking and/or end of stop.

CADILLAC — ACADIA, EQUINOX, MALIBU, TERRAIN, XT4, XT5, XT6 (2022) — 8 vehicle combinations

220000 SEATS

Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022 model year vehicles listed above, built beginnin

CADILLAC — XT4 (2023)

350000 EQUIPMENT

This service bulletin provides repair information to update the radio software to correct customer concerns of general radio errors.

CADILLAC — XT4 (2022)

110000 ELECTRICAL SYSTEM

Service Update. The colored visual telltales that light up during parking assist on the Driver Information Center may not illuminate (RED, ORANGE, YELLOW) as the vehicle approaches an object. Dealers will perform a Configuration and Setup

CADILLAC — XT6 (2022) — 2 vehicle combinations

350000 EQUIPMENT

Certain vehicles were invoiced with an accessory grille that was not available at the time of vehicle purchase. Dealers will provide the customer with a reimbursement check.

CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SILVERADO 1500, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL (2020–2023) — 207 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This bulletin provides diagnostic information when checking the exhaust system for leaks.

CADILLAC — ESCALADE (2023) — 4 vehicle combinations

020000 SUSPENSION

This informational bulletin provides 2023 Cadillac Escalade - V New Model Features.