Incorrect brake pad calibration may occur from an Electronic Brake Control Module (EBCM) problem in certain units of the 2024 GMC Acadia, the 2025 GMC Acadia and the 2025 GMC Terrain, according to a new General Motors Service Update.
A remedy is also available for the brake control module issue, as GM Service Update number N242471431 describes, up to the end of the New Vehicle Limited Warranty period for each affected GMC Acadia or GMC Terrain.
GM instructs its dealership service personnel to apply the fix free of charge to customer GMC Acadia and GMC Terrain units brought to the dealership for any reason within the warranty period. The repair should also be carried out promptly on any units of either vehicle model currently in dealer inventory and affected by the EBCM issue.
The problem causes the brake control module to incorrectly estimate brake wear, leading to improper brake pad calibration. The fix requires no parts and consists of reprogramming the EBCM of affected GMC Acadia and GMC Terrain crossovers with new software. This can be carried out at the dealership or through an over-the-air (OTA) update.
As a reminder, pricing for the 2025 GMC Acadia starts at $44,295 MSRP for the Elevation trim with FWD and rises to $57,295 for the AWD configuration of the range-topping Denali trim level. For the 2025 GMC Terrain, prices are set at $31,395 for the FWD and $33,395 for the AWD variant, with only the Elevation trim currently available.
For motivation, the Acadia cradles the turbocharged 2.5L I4 LK0 gasoline engine rated at 328 horsepower and 326 pound-feet of torque under the hood. The Terrain is powered by the turbocharged 1.5L I4 LSD gasoline engine developing 175 horsepower and 184 (FWD) or 203 (AWD) pound-feet of torque. Both models are offered in front-wheel drive and all-wheel drive configurations.
Beneath the skin, the Acadia is underpinned with the GM C1 platform, with the GM Lansing Delta Township facility as the production plant where it rolls off the assembly line. The Terrain features the GM D2 platform for structure, with production of the crossover taking place at the GM San Luis Potosà plant in Mexico.
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