2023 GMC Yukon XL Service and Repair Manual
2023 GMC Yukon XL service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- SLE Sport Utility 4-Door
- Denali Ultimate Sport Utility 4-Door
- AT4 Sport Utility 4-Door
- Denali Sport Utility 4-Door
- SLT Sport Utility 4-Door
Engines covered
- 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated
- 3.0L 2993CC 183Cu. In. l6 DIESEL DOHC Turbocharged
- 6.2L 6162CC 376Cu. In. V8 GAS OHV Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
General Motors, LLC (GM) is recalling certain 2023 Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Chevrolet Tahoe, GMC Yukon, and Yukon XL vehicles. The rear suspension outer control arm bolts
A broken suspension bolt can result in misalignment of the rear wheel, increasing the risk of a cras
Dealers will replace both rear suspension outer control arm bolts, free of charge. Owner notificati
General Motors, LLC (GM) is recalling certain 2020-2023 Cadillac CT4 and CT5; 2021-2023 Buick Envision; and 2022-2023 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, Tahoe, GMC
DRLs that do not deactivate as intended may result in a glare, reducing visibility, and increasing t
The body control module software will be updated by a dealer, or through an over-the-air (OTA) updat
This Preliminary information communicates recovery procedure after return to dealer message.
This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and this PI will be converted to a bulletin when a repair is avail
This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
This Preliminary information communicates recovery procedure after return to dealer message.
This PI is to inform the techs to check for binding in the mode door pivot.
This Preliminary information communicates to dealers a procedure to reset the radio.
This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
Showing the 8 most recent of 881 technical service bulletins on file with NHTSA.
The contact owns a 2023 GMC Yukon. The contact received notice of NHTSA ID Number: 25V274000 (Engine and Engine Cooling). The contact stated that while driving on several occasions at various speeds,
POST-RECALL 25V274 ( & EA25007, EA25001) EXHAUST INTRUSION WITH CARBON MONOXIDE POISONING HAZARD Following the complete engine replacement under GM recall N252494000, my vehicle has developed a severe
POST-RECALL 25V274 ( & EA25007, EA25001) EXHAUST INTRUSION WITH CARBON MONOXIDE POISONING HAZARD Following the complete engine replacement under GM recall N252494000, my vehicle has developed a severe
During the operation of my 2023 GMC Yukon XL AT4 on [XXX], carbon monoxide (CO) entered the cabin, exposing my children and me to dangerously high levels of CO and causing confirmed carbon monoxide po
Rear wheel lock up It took two Dealership is going through it's diagnosis but says it needs new valve body upgrade. Been sitting in the shop for 2 months
Showing the 5 most serious of 265 complaints filed with NHTSA.
