Oil Change Minder
The message center provides an oil change minder to inform the driver that an oil change is required. The duration of the interval between oil changes is calculated in the PCM and varies due to driving conditions. The PCM stores the oil life data in non-volatile RAM. If the battery is discharged, the PCM is disconnected, reflashed or the Keep Alive Memory (KAM) is reset, the oil life settings remain in the PCM and display the remaining oil life once the vehicle is restored to normal operation. The PCM assumes a base mileage of 16, 090 km (10, 000 mi) or 1 year for normal driving. However, this number is adjusted down for conditions such as high engine temperature, high engine rpm, use of flex fuel and low oil level. The PCM calculates and provides an engine service indication message to the BCM. The BCM then provides the engine service indication message to the IPC.
Refer to: Reset the Oil Change Indicator .