Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2004 GMC Yukon XL, 2004 Chevrolet Suburban, and 2004 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.