Diagnostic Code Index

2009 Chevrolet Uplander LT, 3.9 MSECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX

DTC Description
DTC B3873Β  B3873 00: Front Washer Relay Circuit
DTC B3874Β  B3874 00: Wiper Low Speed Relay Circuit
DTC B3875Β  B3875 00: Wiper High Speed Relay Circuit
DTC B3922Β  B3922 00: Front Wiper Function Select Circuit
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.