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Service bulletins for the 2019 Cadillac XT4

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
N1922163112020-03-23. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:COLUMN SHIFT ASSEMBLY; POWER TRAIN:MANUAL TRANSMISSION:FLOOR SHIFT ASSEMBLY; EQUIPMENT. Service Update - Certain vehicles may have a condition where the customer may be able to shift out of park with an expired latent fault mode counter. This will only occur after the customer ignores multiple driver information center (DIC) and chime warnings. By design, the vehicle should not allow the driver to shift out of park once the latent fault mode counter expires. Dealers are to reprogram the engine control module.
PIP5704A2020-03-09. Service bulletin. EQUIPMENT; STRUCTURE; ELECTRICAL SYSTEM. This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
PIE0549A2020-03-09. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This engineering informational bulletin is requesting information from the field on no crank / no start issue resulting in a starter replacement due to the solenoid overheating.
110089002D2020-03-09. Service bulletin. EQUIPMENT. This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
050307009I2020-03-09. Service bulletin. WHEELS; EQUIPMENT. This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
20NA0162020-03-09. Service bulletin. EQUIPMENT. This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle.
20NA0012020-03-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This technical bulletin provides repair information to correct a customer concern of Low Volume of Air Delivery Through the Defrost Vents During Vehicle Remote Start.
19NA2792020-03-02. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. This Technical bulletin provides a procedure for dealers/technicians on Radio Software Version V807 Over-the-Air Update.
19NA1602020-03-02. Service bulletin. ELECTRICAL SYSTEM:HORN. This technical bulletin provides repair information to correct a customer concern of Intermittent or Continuous Horn Blowing, Horn Activation Sensitive to the Touch.
18NA3062020-03-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
18NA2792020-03-02. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
16NA3832020-03-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
15NA0102020-03-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
N192257060-022020-02-18. Service bulletin. WHEELS; EQUIPMENT. Customer Sat. - The owner?s manual for certain 2019 model year Cadillac XT4 vehicles includes incorrect instructions for towing the vehicle behind another vehicle with two wheels on the ground and two wheels on a device known as a dolly. Owners will receive a manual insert with the correct instructions. The owner?s manual for certain 2019 model year Chevrolet Malibu vehicles includes instructions for towing the vehicle behind another vehicle with all four wheels on the ground (i.e., ?dinghy? towing). These vehicles are not equipped for this type of towing and should not be towed this way. Owners will receive a manual insert with instructions not to tow these vehicles with all four wheels on the ground. Owners will receive an owner?s manual insert with the correct instructions.
N192257060-012020-02-18. Service bulletin. EQUIPMENT; WHEELS. Customer Sat. - The owner?s manual for certain 2019 model year Chevrolet Malibu vehicles includes instructions for towing the vehicle behind another vehicle with all four wheels on the ground (i.e., ?dinghy? towing). These vehicles are not equipped for this type of towing and should not be towed this way. Owners will receive a manual insert with instructions not to tow these vehicles with all four wheels on the ground. Owners will receive an owner?s manual insert with the correct instructions.
PIP57042020-02-10. Service bulletin. STRUCTURE. This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
PIP5650B2020-02-10. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates the possibility of DTC P3075 being set current or history due to low coolant level or air trapped in cooling system.
PIP5675A2020-02-10. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.
PIC6048M2020-02-10. Service bulletin. LANE DEPARTURE; STEERING. This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering. This means that the driver should also feel some feedback from the steering wheel. No Chimes or haptic in the seat. Lane Keep Assist icon is flashing amber; Forward Camera Module is actively commanding torque to Electronic Power Steering. This will also be accompanied with Lane Departure Warning chimes and haptic in the seat feedback based on the setting chosen in the vehicle settings. This will take place when the vehicle has crossed lane marking by (40 cm) or (15.75 in).
PIP56972020-02-10. Service bulletin. POWER TRAIN. This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park.
N1922570602020-02-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. N192257060 - CSP - The owner's manual for certain 2019 model year Cadillac XT4 vehicles includes incorrect instructions for towing the vehicle behind another vehicle with two wheels on the ground and two wheels on a device known as a dolly. Owners will receive a manual insert with the correct instructions. Owners will receive an owner's manual insert with the correct instructions. The owner's manual for certain 2019 model year Chevrolet Malibu vehicles includes instructions for towing the vehicle behind another vehicle with all four wheels on the ground (i.e., dinghy towing). These vehicles are not equipped for this type of towing and should not be towed this way. Owners will receive a manual insert with instructions not to tow these vehicles with all four wheels on the ground.
PIE05492020-01-21. Service bulletin. ELECTRICAL SYSTEM. This engineering information bulletin is requesting information from the field on no crank / no start issue resulting in a starter replacement due to the solenoid overheating.
PI0592F2020-01-21. Service bulletin. EQUIPMENT. This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
PIC6048L2020-01-21. Service bulletin. LANE DEPARTURE. This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering. This means that the driver should also feel some feedback from the steering wheel. No Chimes or haptic in the seat. Lane Keep Assist icon is flashing amber; Forward Camera Module is actively commanding torque to Electronic Power Steering. This will also be accompanied with Lane Departure Warning chimes and haptic in the seat feedback based on the setting chosen in the vehicle settings. This will take place when the vehicle has crossed lane marking by (40 cm) or (15.75 in).
PIT57242020-01-21. Service bulletin. ENGINE. This Preliminary information communicates to dealers that if the SES/MIL light is on and there are multiple communication codes stored to inspect the engine harness between the power steering gear and the rear of the transmission case.

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