Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2003 GMC Yukon XL, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

The PCM does not illuminates the malfunction indicator lamp (MIL).
The PCM commands increased line pressure.
The PCM freezes shift adapts.
The PCM determines a default transmission fluid temperature (TFT) using the following:
- If the engine run time is less than 60 seconds then default TFT equals 47°C (117°F).
- If ECT is less than 20°C (68°F), then default TFT equals IAT.
- If the ECT is 20-110°C (68-230°F) then default TFT equals ECT.
- If the ECT is greater than 110°C (230°F) then default TFT is set to 140°C (284°F) and transmission shift pattern is in hot mode
- If ECT and TFT DTCs are both set then default TFT is 140°C (284°F)
The PCM records the operating conditions when the Conditions for Setting the DTC are met. The PCM stores this information as Failure Records.
The PCM stores DTC P0712 in PCM history.