Test Description

WARNING: This page is about a different car, the 1995 Oldsmobile Ninety-Eight and 1995 Buick Park Avenue. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Test numbers refer to numbers on diagnostic chart.

Determines if conditions necessary to set Code P0712 exist.
Simulates conditions to set Code P0713. If PCM recognizes low signal voltage and sets Code P0713, wiring and PCM are okay.
Determines if transaxle fluid temperature sensor signal circuit is open. There should be 5 volts present at sensor connector.

Fig 1: Code P0712 Schematic (3.8L) Transaxle Temperature Sensor Low Temperature Indicated

Fig 2: Code P0712 Diagnostic Flow Chart (3.8L) Transaxle Temperature Sensor Low Temperature Indicated