Service bulletins for the 2015 GMC Yukon
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.
2691 on file from NHTSA, as of 2026-10-19.
By type
By component
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Only bulletins with component: Heating and air conditioning are shown. Show all
| 99-01-39-004F | 2018-05-29. Service bulletin. EQUIPMENT; EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a procedure to correct the customers concern of odor coming from the Air conditioning. |
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| 99-01-39-004G | 2018-05-21. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. This technical bulletin provides repair information for the correction of a customer concern of short duration musty odors emitted from the HVAC system at vehicle start-up in hot, humid conditions. |
| PIE0340 | 2018-05-21. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This engineering information bulletin is requesting information from dealers on a customer concern of A/C inoperative or poor performance on recent built vehicles. |
| 99-01-39-004F | 2018-05-21. Service bulletin. EQUIPMENT; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This technical bulletin provides a procedure to correct the customers concern of odor coming from the Air conditioning. |
| 16NA171 | 2018-05-21. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW. This technical bulletin provides a procedure to reinstall the rear defroster tab on the rear window defogger for vehicles with the condition of rear defrosters inoperative or if one is to break during a normal repair. |
| PIE0340A | 2018-05-21. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This engineering information bulletin announces the end of need for information from the field regarding A/C inoperative or poor performance on recent built vehicles. |
| PI1440 | 2018-05-07. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This preliminary informational bulletin provides technicians with diagnostic tips for a customer concern of odor emanating from HVAC system. |
| PIT5099A | 2018-05-07. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This 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. |
| PIT5331 | 2018-05-07. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blow warm. Technician will need to replace the compressor to condenser line and install the line bracket. |
| PIT5383B | 2018-01-22. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicles that have various Heater-Vent-Air Conditioning issues. Technician should use Tis2Web to reprogram the Heater-Vent-Air Conditioning control module. |
| PIT5292A | 2017-12-22. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles that may have an air condition that has poor performance during high ambient temperatures. Technician will need to check the refrigerant charge and record the recovered amount on the repair order. Technician should recharge the system if needed. Technician will also need to verify if Global Diagnostic System 2 high side readings match a high side pressure gauge. If the readings vary greatly diagnostics will need to be performed. |
| PIT5290A | 2017-12-22. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicles that may have a rear Heater-Vent-Air Conditioning is inoperative, but the front Heater-Vent-Air Conditioning blows cold and works normally. Technician will need to replace the Thermo Static Expansion Valve with part number 25914263 into the liquid line. |
| PIE0381 | 2017-10-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Thins engineering informational bulletin is requesting information from the field on vehicles that have the condition of rear auxiliary a/c not cooling or blowing warm air. |
| 16-NA-171 | 2017-10-05. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides repair information on reconnection of rear window (defroster) contact or tab. |
| PIT5405A | 2017-08-15. Service bulletin. STEERING; ELECTRICAL SYSTEM; POWER TRAIN; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician for a reduced power message, steering assist, engine stall or the instrument panel, radio, and or Heater-Vent-Air Conditioning go blank with multiple diagnostic trouble codes. If any of the following diagnostic trouble codes U0073, U0078, U0029, U0028, U0415, U0140, U0126, U0121, U0101, U0100, C0544, U1510, U0073, B127B, B2605, B3600,C0800, U0428, and U0452 set in the vehicle. Check the body control module ground at the G218 location. The front dash insulator mat may be trapped between the ground eyelet and the body stud. Remove the round nut and eyelet and cut the front dash insulator mat away from the ground stud so it no longer interferes with the ground stud and reinstall the eyelet and ground nut. |
| PI1440 | 2017-08-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This preliminary informational bulletin provides technicians with diagnostic tips for a customer concern of odor emanating from HVAC system. |
| PIT5292B | 2017-08-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicles that may have an air condition that has poor performance during high ambient temperatures. Technician will need to check the refrigerant charge and record the recovered amount on the repair order. Technician should recharge the system if needed. Technician will also need to verify if Global Diagnostic System 2 high side readings match a high side pressure gauge. If the readings vary greatly diagnostics will need to be performed. |
| PIT5292 | 2017-08-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about vehicles that may have an air condition that has poor performance during high ambient temperatures. Technician will need to check the refrigerant charge and record the recovered amount on the repair order. Technician should recharge the system if needed. Technician will also need to verify if Global Diagnostic System 2 high side readings match a high side pressure gauge. If the readings vary greatly diagnostics will need to be performed. |
| PIT5290 | 2017-08-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT. This Preliminary Information communication provides information to the technician about vehicles that may have a rear Heater-Vent-Air Conditioning is inoperative, but the front Heater-Vent-Air Conditioning blows cold and works normally. Technician will need to replace the Thermo Static Expansion Valve with part number 25914263 into the liquid line. |
| PIT5245A | 2017-08-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. This concern will only occur when the temperatures is below 32 degrees Fahrenheit and if the blower motor is removed while still cold, ice may be found on the blower motor cage. This concern could be caused by water leaking or snow ingestion into the Heater-Vent-Air Conditioning case. Technician is to perform normal water testing diagnostics while the Heater-Vent-Air Conditioning is running, looking for water leaking past the plenum cover. If water is leaking past the cover remove the cover and install a 12x12 snow resistant screen to the fresh air intake. Reseal and install the plenum cover cap using Kent air dry sealer or equivalent. |
| PIT5240B | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about systems operate during a remote vehicle start event. Dual Zone Auto Regular Production Option Code (CJ2) Heater-Vent-Air Conditioning settings the Heater-Vent-Air Conditioning settings will remain set to the previous Heater-Vent-Air Conditioning settings when the ignition was turned off. Single Zone Manual Regular Production Option Code (C67) HVAC settings the Heater-Vent-Air Conditioning settings will remain set to the previous Heater-Vent-Air Conditioning settings when the ignition was turned off. The Rear window defogger during a remote start event, the rear window defogger will turn on if the outside temperature is 44 degrees Fahrenheit (7 degrees Celsius) or below. The heated seats will not turn on if a Remote Vehicle Start event is performed within 2 hours of shutting the engine off. The cooled seats will turn to the high setting when the ambient temperature is above 80 degrees Fahrenheit (27 degrees Celsius). Heated steering wheel will not turn on during Remote Vehicle Start event. |
| PIP5179 | 2017-08-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Direct Injection systems run at higher pressures, and the mechanical pump on the engine must build up the required pressure before the first injection event occurs. Direct Injection engines may have slightly longer cold crank times than that of port fuel engines. |
| PIT5266A | 2017-08-15. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication provides information to the technician about vehicles that during very cold ambient temperatures there may be a no crank or a click no crank condition. Technician will need to check the battery voltage while trying to crank the engine. Replace the battery if it fails the GR8 test. If the battery has more than 11.4 volts while starting and there is a click noise is heard, technician will need to replace the starter and the inspection cover. |
| PIE0381A | 2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This engineering informational bulletin is ending the need for information from the field on vehicles that have the condition of rear auxiliary a/c not cooling or blowing warm air. |
| PIT4211D | 2017-03-22. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE AN OUTSIDE AIR TEMPERATURE INOPERATIVE. TO PERFORM AN INSTANT UPDATE OF THE AMBIENT TEMPERATURE SENSOR, PRESS AND HOLD THE RECIRC BUTTON AND AIR CONDITIONING BUTTON ON THE HEATER-VENT-AIR CONDITIONING CONTROL HEAD SIMULTANEOUSLY. IT IS ALSO POSSIBLE TO PERFORM THIS BY USING A SCAN TOOL IN SPECIAL FUNCTION MODE AND SELECT INSTANT UPDATE. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.