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Home >> Oldsmobile >> 1999 >> Aurora V8-4.0L VIN C >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> PCM Controlled Messages Description >> Change Trans Fluid Message
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Change Trans Fluid Message

The PCM calculates a Transaxle Fluid Life Index using transaxle temperature and engine state, running or OFF. The Transaxle Fluid Life Index represents the remaining useful transaxle fluid life as a percentage of total life. When transaxle fluid life reaches 0%, the CHANGE TRANS FLUID message will appear. The Transaxle Fluid Life Index can be reset using the Reset button on the IPC.
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