Circuit Description

This DTC indicates that PCM's internal EEPROM has not been flashed with any vehicle software. If a replacement PCM is installed and not flashed, engine will not run. This DTC is used to indicate that engine cranks, but will not run due to an unflashed PCM.

DTC will set when the following conditions are present:

• Ignition switch in RUN position.
• PCM is powered up.
• No software data is present in PCM.