Fitment notes: AGM battery required for start-stop system and high electrical demands
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Every control module on the 2021-2026 Chevrolet Tahoe — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
⚠️ VIN programming required. Controls security gateway authentication for all modules. Critical for network communication between HS-CAN, MS-CAN, and LIN buses.
📍 Behind center stack display screen, mounted to instrument panel support bracket
🔧 GM SPS2 or J2534 pass-thru with ACDelco TDS
⚠️ VIN programming and feature configuration required. 2021+ uses Chevrolet Infotainment 3 system with 10.2-inch standard display. OnStar and Bluetooth pairing relearn needed. Wireless Apple CarPlay/Android Auto support.
Headlamp Control Module (HCM)0.8 hr R&Raftermarket tool +0.3 hrwith LED or HID headlamps▸ programming details
📍 Engine compartment, driver side, integrated with headlamp assembly
🔧 GM scan tool or Autel/Launch
⚠️ Configuration may be required for automatic high beam or adaptive lighting features.
Remote Control Door Lock Receiver / Theft Deterrent Module (RCDLR)0.8 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Behind instrument panel, center console area, mounted to floor tunnel near shifter
🔧 GM SPS2 or J2534 pass-thru with ACDelco TDS
⚠️ VIN programming and key fob relearn required. Handles remote keyless entry and immobilizer functions.
Seat Control Module (SCM)0.8 hr R&Raftermarket tool +0.3 hrwith heated/ventilated seats or memory seats▸ programming details
📍 Under driver or passenger seat, mounted to seat frame
🔧 GM scan tool or Autel/Launch
⚠️ Seat position memory relearn required. One module per front seat with power functions.
📍 Behind instrument panel, center of driver side dash, mounted in instrument cluster housing
🔧 GM SPS2 or J2534 pass-thru with ACDelco TDS
⚠️ VIN programming and mileage transfer required. Odometer must be programmed to match vehicle history. 2021+ features larger digital display options.
Fuel Pump Control Module (FPCM)0.5 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Under vehicle, mounted to frame rail driver side, forward of fuel tank
🔧 GM scan tool or advanced aftermarket
⚠️ Fuel pump prime relearn required. No VIN programming needed.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
General Motors, LLC is recalling certain 2025–2026 Cadillac Escalade, Escalade ESV, Chevrolet Suburban 1500, Tahoe, GMC Yukon, and Yukon XL vehicles with 24-inch wheels. Incorrect bolts may have been installed on the left and right front wheel hubs, which can result in the bolts loosening or deforming over time.
Consequence: A bolt that loosens or breaks during vehicle operation can result in loss of vehicle control, increasing the risk of a crash.
Remedy: Dealers will replace the front left and right wheel hub bolts, free of charge. Owner notification letters were mailed June 18, 2026. Owners may contact GMC customer service at 1-800-462-8782, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-333-4223. GM's number for this recall is N262554630. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on May 14, 2026.
POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE) · 26V289000
2026-05-07
General Motors, LLC (GM) is recalling certain 2026 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, and GMC Sierra 1500, Yukon, and Yukon XL vehicles with four-wheel (4WD) or all-wheel drive (AWD), and certain 2015-2020 Suburban, Escalade, Escalade ESV, Yukon, Yukon XL, and Tahoe vehicles. A component missing from the drivetrain transfer case may cause the front and/or rear wheels to lock up without warning to the driver.
Consequence: Front or rear wheel lockup increases the risk of a crash.
Remedy: Owners are advised not to drive their vehicle until the remedy is completed. Dealers will inspect and, if necessary, replace the transfer case assembly, free of charge. Owner notification letters were mailed May 18, 2026. Owners may contact GMC customer service at 1-800-462-8782, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-333-4223. GM's number for this recall is N262557620. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on May 7, 2026.
General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cadillac OPTIQ, Chevrolet Colorado, Equinox EV, GMC Canyon, 2026 Buick Enclave, Envision, Cadillac CT5, Escalade, Escalade ESV, Escalade IQ, Escalade IQL, LYRIQ, VISTIQ, Chevrolet Blazer EV, Corvette Convertible, Corvette Coupe, Corvette Convertible E-Ray, Equinox, Silverado 1500, 2500, 3500, Silverado EV, Suburban 1500, Tahoe, Traverse, GMC Acadia, Hummer EV Pickup, Hummer EV SUV, Sierra 1500, 2500, 3500, Sierra EV, Terrain, Yukon, and Yukon XL vehicles. The radio may not have been set to the correct status to download the electronic owner's manual during production. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, “Occupant Protection.”
Consequence: Without an owner's manual to consult, owners may not know how to safely use and operate the vehicle, increasing the risk of injury in a crash.
Remedy: Dealers will reset the vehicle radio, which will facilitate automatic download of the electronic owner’s manual, free of charge. Owner notification letters were mailed April 16, 2026. Owners may contact GM customer service at 1-866-467-9700, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-333-4223. The manufacturer's number for this recall is N252540430. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 26, 2026.
Fuel economy (EPA)
City
15mpg
Highway
20mpg
Combined
17mpg
Fuel
Regular Gasoline
Capability & size
EPA class
Standard Sport Utility Vehicle 2WD
Wiper blades
Presumed continuation of fifth generation specs unless redesigned
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2026 Chevrolet Tahoe 5.3L V8 L84 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years.