Fitment notes: AGM battery standard for start-stop system and heavy electrical loads
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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.
Fuel economy (EPA)
City
15mpg
Highway
19mpg
Combined
17mpg
Fuel
Regular Gasoline
Capability & size
EPA class
Standard Sport Utility Vehicle 4WD
Wiper blades
Fifth generation (2021+) uses symmetrical 22-inch blades front
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 2025 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 Lexus & Toyota Mechanic · 20+ years.