Conditions for Setting the DTC

2008 Chevrolet Chevy Express G3500, Van Cargo Extended, 4.8 CSECTION Conditions for Setting the DTC

Any of the following conditions may cause the DTC to set:

  • Voltage on the TCC brake switch signal circuit is always low.
  • Voltage on the TCC brake switch signal circuit is always high.
  • Voltage on the TCC brake switch signal circuit is high for 0.54 seconds when voltage is expected to be low.
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.