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Technical Service Bulletins

Search 172,063 manufacturer communications covering 880 vehicle makes from 1955 to 2025.

172,063 Unique Bulletins
4,727,244 Total Records
880 Vehicle Makes
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Showing 5,824 bulletins for CADILLAC

21NA002 Jan 13, 2021
CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, YUKON, YUKON XL (2020–2021) — 64 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides a test procedure, for a possible faulty DEF Heater.
PI1513G Jan 13, 2021
CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, YUKON, YUKON XL (2014–2016) — 60 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This preliminary information bulletin provides a procedure for radiator and engine coolant thermostat replacement to eliminate coolant smell and/or a slight leak at the radiator.
N202321843 Jan 12, 2021
CADILLAC — XT4 (2020–2021) — 4 vehicle combinations
120000 EXTERIOR LIGHTING
Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Vehicles with this condition may set DTC Code P0747 and the MIL light (malfunction indicator light) will i
PIE0609 Jan 11, 2021
CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 4500HD (2019–2021) — 44 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise heard from the engine compartment, loss of charging and/or reduced a
PIE0597A Jan 7, 2021
CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, TAHOE, YUKON, YUKON XL (2021) — 12 vehicle combinations
110000 ELECTRICAL SYSTEM
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the power liftgate inoperative.
N202296840 Jan 7, 2021
CADILLAC — CT5 (2020) — 2 vehicle combinations
010000 STEERING
Service Update - on certain vehicles may have a condition where the upper intermediate steering shaft contacts the front brake line. Dealers are to inspect the brake line and if necessary, replace the front brake lines.
PIE0564A Jan 6, 2021
CADILLAC — XT4 (2019–2020) — 4 vehicle combinations
035000 SERVICE BRAKES, HYDRAULIC:FLUID
This engineering information (EI) bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards a brake fluid leak being detected with DTC C2A22 Symptom 00 Set.
PIE0599B Dec 23, 2020
CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, YUKON, YUKON XL (2021) — 48 vehicle combinations
110000 ELECTRICAL SYSTEM
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the airbag lamp illuminated on the driver?s information center (DIC).
20NA238 Dec 23, 2020
CADILLAC — CT4, CT5, SUBURBAN, TAHOE, YUKON, YUKON XL (2021) — 34 vehicle combinations
118000 ELECTRICAL SYSTEM:SOFTWARE
This service bulletin provides V153 radio software update information to correct customer concerns of various software issues.
PIE0601A Dec 22, 2020
CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON, YUKON XL (2020–2021) — 40 vehicle combinations
060000 ENGINE (PWS)
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service Engine Soon Lamp being illuminated.
N202321920 Dec 21, 2020
CADILLAC — ACADIA, BLAZER, TRAILBLAZER, XT4, XT5 (2021) — 36 vehicle combinations
060000 ENGINE AND ENGINE COOLING
Service Update. A small number of vehicles may have a coolant inlet pipe that may present an obstructed threaded hole for the coolant temp sensor which could result in the check engine light coming on or a potential coolant leak. Dealers
PIT5790A Dec 18, 2020
CADILLAC — ACADIA, BLAZER, CAMARO, CANYON, COLORADO, CT6, EQUINOX, MALIBU, SIERRA 1500, SILVERADO 1500, TERRAIN, VOLT, XT4 (2019–2021) — 46 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates a concern where the radio will reboot when adjusting the volume intermittently and that engineering is investigating
PIT5799A Dec 18, 2020
CADILLAC — BOLT EV, CORVETTE, CT4, CT5, ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, YUKON (2020–2021) — 40 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates a cocnern where a flashing spot can intermittently show up on the radio display while in reverse. The PI advises that engineering is investigating the concern.
PIP5733G Dec 18, 2020
CADILLAC — CORVETTE, EQUINOX, ESCALADE, MALIBU, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, TERRAIN, YUKON (2019–2021) — 34 vehicle combinations
061700 ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR
This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation
PIT5802 Dec 17, 2020
CADILLAC — ESCALADE ESV, SUBURBAN, TAHOE, YUKON XL (2021) — 8 vehicle combinations
350000 EQUIPMENT
This Preliminary information communicates an issue with the floor center console cooler being inoperative and engineering working on a root cause.
PIP5772 Dec 17, 2020
CADILLAC — XT4 (2020–2021) — 4 vehicle combinations
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates to the technicians to replace the CAC outlet hose if damaged.
PIT5779E Dec 17, 2020
CADILLAC — ESCALADE ESV, SUBURBAN, TAHOE, YUKON XL (2021) — 8 vehicle combinations
100000 POWER TRAIN
This Preliminary information communicates an issue with the 110 volt power outlets not resetting if overloaded and causing the customer to take the vehicle to the dealership to have it reset. Engineering has released updated cals to correc
150601002K Dec 17, 2020
CADILLAC — CAMARO, CORVETTE, CTS, CTS-V, ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 4500HD, SUBURBAN, TAHOE, YUKON, YUKON XL (2014–2019) — 311 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.
PIT5751C Dec 16, 2020
CADILLAC — ESCALADE ESV, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON XL (2020–2021) — 16 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates and issue with the SES MIL on setting DTC's P0201/P0202/P0203/P0204/P0205/P0206/P0216 and instructing dealership to inspect the engine wiring harness for damage.
N202319660 01 Dec 16, 2020
CADILLAC — ESCALADE, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON (2020–2021) — 72 vehicle combinations
060000 ENGINE (PWS)
Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perfor
20NA228 Dec 15, 2020
CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, TAHOE, YUKON, YUKON XL (2021–2022) — 78 vehicle combinations
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
This technical bulletin provides a procedure to replace the fuel filter and perform a filter life procedure if found the reason for a failed fuel filter life reset during ECM transfer of data.
N202310850 02 Dec 15, 2020
CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, TAHOE, YUKON, YUKON XL (2021) — 84 vehicle combinations
060000 ENGINE AND ENGINE COOLING
Customer Satisfaction Program (Revised Service Procedure and Part Ordering Information). In certain vehicles, driver movement can disrupt the electrical connection to the seat-mounted inboard airbag system. This airbag system is supplement
PIT5479D Dec 14, 2020
CADILLAC — CANYON, COLORADO, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, YUKON DENALI, YUKON XL (2014–2021) — 116 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the calipe
PIC6385B Dec 14, 2020
CADILLAC — CORVETTE, CT4, CT5 (2020) — 12 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates a parts restriction is in place for the exterior lighting module on 2020 Cadillac CT4, CT5 and Chevrolet Corvette.
PIE0606 Dec 14, 2020
CADILLAC — CT4 (2020–2021) — 8 vehicle combinations
110000 ELECTRICAL SYSTEM
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the service airbag lamp illuminated on the driver information center (DIC).
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