Diagnostic Fault Information

2020 GMC Acadia SLSECTION Diagnostic Fault Information
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Coax - Camera Video Signal (B225L Sideview Camera- Left to K157 Video Processing Control Module) B399C 02or1 B399C 05or1 B399C 05or1 B395B 08, 4B, 39, 53, 54, 58, 66, 3Cor1
  1. Left Sideview Camera image distorted or black
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.