GMC Yukon XL Service Bulletins
5,101 manufacturer communications on file.
- July 9, 2018•Document ID: 10143757Service Bulletin/Repair InstructionsPOWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
- Mfr Comm. #:
- PIP3366C
- Date Added:
- August 20, 2018
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low (4LO) range. Dealers technician's are advised this condition should be deemed a normal characteristic of 4WD low operation.
Associated Products (187)2019 Chevrolet Silverado2018 Cadillac Escalade2018 Chevrolet Colorado2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Canyon2018 GMC Sierra2018 GMC Yukon2017 Cadillac Escalade2017 Chevrolet Colorado2017 Chevrolet Silverado2017 Chevrolet Suburban2017 Chevrolet Tahoe2017 GMC Canyon2017 GMC Sierra2017 GMC Yukon2016 Cadillac Escalade2016 Chevrolet Colorado2016 Chevrolet Silverado+ 167 moreAssociated Documents - July 3, 2018•Document ID: 10143752Service Bulletin/Repair InstructionsVISIBILITY:SUN/MOON ROOF ASSEMBLY
- Mfr Comm. #:
- PIC5260B
- Date Added:
- August 20, 2018
- Manufacturer:
- PONTIAC
SummaryThis Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
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- Mfr Comm. #:
- PIP5121C
- Date Added:
- August 6, 2018
- Manufacturer:
- GMC
SummaryThis Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (LV3), 5.3L (L83), 6.2L (L86) engines are equipped with a two stage oil pump. Dealer should advise the customer this is normal operation for these engines.
Associated Products (30)2018 Cadillac Escalade2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Sierra2018 GMC Yukon2018 GMC Yukon XL2017 Cadillac Escalade2017 Chevrolet Silverado2017 Chevrolet Suburban2017 Chevrolet Tahoe2017 GMC Sierra2017 GMC Yukon2017 GMC Yukon XL2016 Cadillac Escalade2016 Chevrolet Silverado2016 Chevrolet Suburban2016 Chevrolet Tahoe2016 GMC Sierra2016 GMC Yukon+ 10 moreAssociated Documents - June 26, 2018•Document ID: 10143456Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; EQUIPMENT
- Mfr Comm. #:
- PIT5232E
- Date Added:
- August 6, 2018
- Manufacturer:
- GMC
SummaryThis Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32° F (0° C) after a battery or reprogramming a module. The outside temperature will begin to update if driven above 20 mph for at least 5 minutes. If the vehicle speed drops below 20 mph, the timer will reset and the display will stop updating. Once the display starts to update it may take several more minutes of driving above 20 mph for the display to fully update. Also if the vehicle is shut off for more than 8 hours the display will update when the ignition is turned on.
Associated Products (34)2019 Chevrolet Silverado2018 Buick Envision2018 Cadillac Escalade2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Sierra2018 GMC Yukon2018 GMC Yukon XL2017 Buick Envision2017 Cadillac Escalade2017 Chevrolet Silverado2017 Chevrolet Suburban2017 Chevrolet Tahoe2017 GMC Sierra2017 GMC Yukon2017 GMC Yukon XL2016 Buick Envision2016 Cadillac Escalade2016 Chevrolet Silverado+ 14 moreAssociated Documents - June 20, 2018•Document ID: 10143449Service Bulletin/Repair InstructionsEQUIPMENT:APPLIANCE:AIR CONDITIONER
- Mfr Comm. #:
- PIT5099C
- Date Added:
- August 6, 2018
- Manufacturer:
- SATURN
SummaryThis Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
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- Mfr Comm. #:
- PIC5953D
- Date Added:
- August 6, 2018
- Manufacturer:
- GMC
SummaryThis Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.
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- Mfr Comm. #:
- PIP5335B
- Date Added:
- August 6, 2018
- Manufacturer:
- GMC
SummaryThis Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump.
Associated Products (27)2018 Cadillac Escalade2018 Chevrolet Silverado2018 Chevrolet Tahoe2018 GMC Sierra2018 GMC Yukon2018 GMC Yukon XL2017 Cadillac Escalade2017 Chevrolet Silverado2017 Chevrolet Tahoe2017 GMC Sierra2017 GMC Yukon2017 GMC Yukon XL2016 Cadillac Escalade2016 Chevrolet Silverado2016 Chevrolet Tahoe2016 GMC Sierra2016 GMC Yukon2016 GMC Yukon XL2015 Cadillac Escalade2015 Chevrolet Silverado+ 7 moreAssociated Documents - June 12, 2018•Document ID: 10143438Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIP5498K
- Date Added:
- August 6, 2018
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates. A vehicle may have a concern ofDTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.
Associated Products (40)2019 Chevrolet Corvette2018 Cadillac CTS2018 Cadillac Escalade2018 Chevrolet Camaro2018 Chevrolet Corvette2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Sierra2018 GMC Yukon2018 GMC Yukon XL2017 Cadillac CTS2017 Cadillac Escalade2017 Chevrolet Camaro2017 Chevrolet Corvette2017 Chevrolet Silverado2017 Chevrolet Suburban2017 Chevrolet Tahoe2017 GMC Sierra2017 GMC Yukon+ 20 moreAssociated Documents - June 11, 2018•Document ID: 10143429Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- PIP5373B
- Date Added:
- August 6, 2018
- Manufacturer:
- CADILLAC
SummaryThis Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. In some cases Techline Customer Support Center may need to be contacted to resolve the issue.
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- Mfr Comm. #:
- PIP5498J
- Date Added:
- August 6, 2018
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates. A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.
Associated Products (40)2019 Chevrolet Corvette2018 Cadillac CTS2018 Cadillac Escalade2018 Chevrolet Camaro2018 Chevrolet Corvette2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Sierra2018 GMC Yukon2018 GMC Yukon XL2017 Cadillac CTS2017 Cadillac Escalade2017 Chevrolet Camaro2017 Chevrolet Corvette2017 Chevrolet Silverado2017 Chevrolet Suburban2017 Chevrolet Tahoe2017 GMC Sierra2017 GMC Yukon+ 20 moreAssociated Documents - May 31, 2018•Document ID: 10141381Service Bulletin/Repair InstructionsEQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT
- Mfr Comm. #:
- PIC4696C
- Date Added:
- June 18, 2018
- Manufacturer:
- PONTIAC
SummaryThis Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock center to retrieve the unlock code from the scrambled code.
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- Mfr Comm. #:
- PIT5399A
- Date Added:
- June 18, 2018
- Manufacturer:
- CADILLAC
SummaryThis Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
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- Mfr Comm. #:
- PIT5509D
- Date Added:
- June 18, 2018
- Manufacturer:
- GMC
SummaryThis Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System” message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
Associated Products (33)2018 Chevrolet Colorado2018 Chevrolet Silverado2018 Chevrolet Suburban2018 Chevrolet Tahoe2018 GMC Canyon2018 GMC Sierra2018 GMC Yukon2018 GMC Yukon XL2017 Chevrolet Colorado2017 Chevrolet Silverado2017 Chevrolet Suburban2017 Chevrolet Tahoe2017 GMC Canyon2017 GMC Sierra2017 GMC Yukon2017 GMC Yukon XL2016 Chevrolet Colorado2016 Chevrolet Silverado2016 Chevrolet Suburban2016 Chevrolet Tahoe+ 13 moreAssociated Documents - May 18, 2018•Document ID: 10143730Service Bulletin/Repair InstructionsPOWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN
- Mfr Comm. #:
- 18169
- Date Added:
- August 20, 2018
- Manufacturer:
- CADILLAC
Summary18169 - Service Update.- Certain vehicles equipped with a 10-speed automatic transmission (RPO MF6), and a 6.2L engine (RPO L86) may experience a 2 to 3 second delayed engagement when shifting between park, reverse, or drive (performing garage shifts). Customers may also experience a hard shift, with a possible bang or clunk. If the vehicle is on an incline the customer may experience a short roll back due to the hesitation. Dealers are to reprogram the transmission control module (TCM) with an updated calibration.
Associated Products (4)Associated Documents - May 18, 2018•Document ID: 10143418Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; POWER TRAIN
- Mfr Comm. #:
- 18169
- Date Added:
- August 6, 2018
- Manufacturer:
- CADILLAC
Summary18169 - Service Update.- Certain vehicles equipped with a 10-speed automatic transmission (RPO MF6), and a 6.2L engine (RPO L86) may experience a 2 to 3 second delayed engagement when shifting between park, reverse, or drive (performing garage shifts). Customers may also experience a hard shift, with a possible bang or clunk. If the vehicle is on an incline the customer may experience a short roll back due to the hesitation. Dealers are to reprogram the transmission control module (TCM) with an updated calibration.
Associated Products (4)Associated Documents - May 18, 2018•Document ID: 10141365Service Bulletin/Repair InstructionsEQUIPMENT; ENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIP5498H
- Date Added:
- June 18, 2018
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause: Coolant getting into the cylinders, and provides direction for the repair.
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- Mfr Comm. #:
- PIT5551C
- Date Added:
- June 18, 2018
- Manufacturer:
- GMC
SummaryThis Preliminary information communicatesa "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when theFAB has been set to "Alert".
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- Mfr Comm. #:
- 17336 03
- Date Added:
- February 7, 2022
- Manufacturer:
- CADILLAC
SummarySpecial Coverage. Some vehicles may have a condition where thermal cycling on the combination transmission fluid/oil and AC condenser cooler creates a crack that may allow refrigerant to escape. This condition consequently may deactivate the AC system which may cause potential customer annoyance. Dealers are to inspect the air conditioning condenser and replace if necessary. The repairs will be made at no charge to the customer.
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- Mfr Comm. #:
- PIT5614
- Date Added:
- June 18, 2018
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates that some technicians may find no refrigerant or a low refrigerant charge. Engineering is currently investigating this issue.
Associated Products (8)Associated Documents - April 27, 2018•Document ID: 10137599Service Bulletin/Repair InstructionsEQUIPMENT:ELECTRICAL
- Mfr Comm. #:
- 18NA141
- Date Added:
- May 21, 2018
- Manufacturer:
- CADILLAC
SummaryThis informational bulletin provides information on Audio Volume Stuck High or Low with No DTCs and that this is a normal characteristic.
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