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Every control module on the 2023-2026 Chevrolet Montana — 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.
⚠️ Controls lighting, door locks, wipers, horn, power windows; all accessory relearns required after replacement; aftermarket tools often fail on BCM programming
⚠️ Odometer programming requires proof of ownership and VIN authentication; mileage transfer from old module mandatory
Headlamp Control Module (HCM)0.6 hr R&Raftermarket tool +0.3 hrLED headlights only (LTZ trim)▸ programming details
📍 Behind headlight assembly, integrated with headlight housing (one per side)
🔧 Autel or GM SPS2
⚠️ LED headlight models only; halogen models use simple relays; module calibration recommended but not always mandatory
Rear Vision Camera Module (RVCM)0.5 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Integrated with rear camera assembly, above license plate on tailgate
🔧 Scan tool with camera calibration
⚠️ Standard equipment; camera calibration and guideline alignment recommended after replacement
Tire Pressure Monitor Control Module (TPMS)relearn only +0.3 hr▸ programming details
📍 Integrated with BCM; no separate physical module
🔧 TPMS relearn tool or scan tool
⚠️ Sensor IDs must be relearned to BCM after tire rotation or sensor replacement; 30-minute drive relearn or tool-assisted
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.
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 Montana 1.2L I3 Turbo Flex 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.