PCM Reset Mode

The PCM reset mode provides a means for the NGS to command the powertrain control module to clear all DTCs. When resetting the PCM, a DTC P 1000 will be set in the PCM until all OBD II system or components have been monitored during the OBD II Drive Cycle. When a PCM reset is performed the following occurs:
- DTCs cleared.
- Freeze Frame Data cleared.
- Oxygen Sensor Test Data cleared.
- Status of the OBD II System Monitors reset.
- DTC P1000 set.

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, transmission or 49 state/Cal.
- 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.