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Home >> Chevrolet >> 2005 >> Uplander LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 102 (Engine Controls - 3.4L - Introduction) >> Description and Operation >> Powertrain Control Module (PCM) Description >> EEPROM

Powertrain Control Module (PCM) Description: EEPROM

WARNING: This page is about a different car, the 2005 Pontiac Aztek and 2005 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

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.