PCM Reset Mode

DESCRIPTION
The PCM reset mode provides a means for the NGS to command the PCM to clear all DTCs. When resetting the powertrain control module, a DTC P1000 will be set in the powertrain control module until all OBD II system or components have been monitored during OBD II drive cycle. The following list is what happens when a PCM reset is performed:
- Clears the DTCs
- Clears the Freeze Frame Data
- Clears the Oxygen Sensor Test Data
- Resets the status of the OBD II System Monitors
- Sets the DTC P1000

PERFORMING PCM RESET:
- Perform visual inspection and vehicle preparation as required.
- Select "Vehicle and Engine Selection" menu.
- Select year, engine, model with the appropriate qualifier if needed-for example, 49-State/California.
- Select "Generic OBD II Functions" menu.
- Select "Clearing ALL Codes."
- Follow operating instructions from the NGS menu screen.
- Perform OBD II Drive Cycle-Clear DTC P1000.