Circuit/System Description

2009 Chevrolet Tahoe Base, 4.8 CSECTION Circuit/System Description

The control modules on this vehicle monitor the voltage on the battery positive (B+) voltage circuits. The following modules on this vehicle will set DTC B1325 if high or low battery voltage is detected:

  • Audio amplifier
  • Instrument panel cluster (IPC)
  • Passenger presence system (PPS)
  • Radio
  • Rear object sensor control module
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.