Typical Scan Tool Data

2009 Chevrolet Tahoe Base, 4.8 CSECTION Typical Scan Tool Data
WARNING: This page is about a different car, the 2010 GMC Yukon, 2010 Chevrolet Tahoe, and 2010 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
Battery Voltage Signal - ESC Module

Circuit Short to Ground Open Short to Voltage
Operating Conditions:Β  Ignition ON, Engine OFF.
Parameter Normal Value:Β  12.6 Volts
12V B+ 0.0 Volts* 0.0 Volts* 12.6 Volts
*The scan tool will not communicate with the ESC module if there is 0 Volts on the 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.