Using New Generation STAR (NGS) Tester
DESCRIPTIONThe Powertrain Control Module (PCM) Reset allows the scan tool to command the PCM to clear all emission-related diagnostic information. When resetting the PCM, a DTC P1000 will be stored in the PCM until all the OBD II system monitors or components have been tested to satisfy a Trip without any other faults occurring.
For more information about a Trip, refer to Trips and Drive Cycles. Trips and Drive Cycles
The following events occur when a PCM reset is performed:
- Clears the number of Diagnostic Trouble Codes (DTCs).
- Clears the DTCs.
- Clears the Freeze Frame Data.
- Clears Oxygen Sensor Test data.
- Resets status of the OBD II system monitors.
- Sets DTC P1000.
PCM Reset Procedure
- Turn key Off.
- Perform the necessary vehicle preparation and visual inspection.
- Select VEHICLE & ENGINE SELECTION menu (OPTIONAL).
- Select NEW VEHICLE YEAR & MODEL.
- Select year, engine, model with the appropriate qualifier, if needed (i.e., transmission, 49 State, California) (OPTIONAL).
- Follow operating instructions from the menu.
- Select GENERIC OBD II FUNCTIONS.
* Press CONT button if all OBD II monitors are not complete.
- Turn key On.
- Select CLEAR DIAGNOSTIC CODES.
- Press START Key.