Resetting Keep Alive Memory (KAM)
Resetting The Keep Alive Memory (KAM)Description
Resetting the KAM returns the PCM memory to its default setting. Adaptive learning contents such as adaptive airflow, idle speed, refueling event, and fuel trim are included. Clear the continuous DTCs in the PCM and reset the emission monitors information, is part of a KAM reset.
After the KAM has been reset, the vehicle may exhibit certain driveability concerns. It is necessary to allow the engine to idle at normal operating temperature with the air conditioning (A/C) OFF for 2 minutes. Then drive the vehicle to allow the PCM to learn the values for optimum driveability and performance.
This function may not be supported by all scan tools. Refer to the scan tool manufacturer's instruction manual.
If an error message is received or the scan tool does not support this function, disconnecting the battery ground cable for a minimum of 5 minutes may be used as an alternative procedure.
A KAM Reset is done as follows:
During key on, engine off with the scan tool, use the reset keep alive memory function. This is found in the active command modes menu on the Integrated Diagnostic System (IDS) scan tool.
If a generic scan tool is used, this function may not be supported. See scan tool manufacturer's instruction manual.
If an error message is received or the scan tool does not support this function, disconnecting the negative battery cable for a minimum of 5 minutes may be used as an alternative procedure.