DTC Descriptors

2013 GMC RV Cutaway 4.8L Eng VIN ASECTION DTC Descriptors
DTC U1826 71

Lost Communication With Multi-Axis Acceleration Sensor Module on Bus "B" Invalid Serial Data Received

DTC U1826 72

Lost Communication With Multi-Axis Acceleration Sensor Module on Bus "B" Alive Counter Incorrect

DTC U1826 7F

Lost Communication With Multi-Axis Acceleration Sensor Module on Bus "B" Erratic

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.