PROM - Programmable Read Only Memory: Description and Operation

2006 Chevrolet Equinox FWD V6-3.4L VIN FSECTION Description and Operation


EEPROM

The electronically erasable programmable read only memory (EEPROM) is a permanent memory that is physically part of the control module. The EEPROM contains program and calibration information that the powertrain control module (PCM) needs in order to control the powertrain operation.

Special equipment, as well as the correct program and calibration for the vehicle, are required in order to reprogram the control module.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.