GM Service Manual Online
For 1990-2009 cars only

Object Number: 893879  Size: MF

Circuit Description

The TCM contains a program to keep track of transaxle fluid life remaining. The program uses run time and transaxle fluid temperature to determine fluid life remaining. When fluid life remaining is less than 5 percent, DTC P1868 sets.

DTC Parameters

DTC P1868 will set if TCM detects the fluid life counter is less than 5 percent remaining when DTC P0711, P0712 and P0713 have not set.

DTC P1868 is a type C DTC.

Diagnostic Aids

    • Perform a fluid and filter change.
    • Clear code and reset oil life remaining to 100 percent.