Home >> Jeep >> 2021 >> Gladiator Mojave, Part Time T/Case Control, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> 3.6L (GPEC 5) - DTCS P2299 To U0129 >> DTC Troubleshooting >> U0129-Lost Communication With Brake System Control Module 1 >> Default Action