Circuit Description

WARNING: This page is about a different car, the 2000 Pontiac Firebird, 2000 Chevrolet Corvette, and 2000 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.

PCM EEPROM contains data which is essential to running engine and transmission. PCM continuously checks integrity of this data.

DTC will set when the following conditions are present:

Ignition switch in CRANK or RUN position.
PCM is powered up.
PCM unable to correctly read data from flash memory.