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detects high signal voltage. As the fluid temperature warms to a normal operating temperature, the resistance When the PCM detects a continuous short to ground in the TFT signal circuit or in the TFT sensor, then DTC Conditions for Running the DTC The ignition is ON. Conditions for Setting the DTC The TFT sensor indicates a signal voltage less than 0.25 volts for 10 seconds. Action Taken When the DTC Sets z The PCM does not illuminate the malfunction indicator lamp (MIL). z The PCM determines a default TFT using one of the following: 1. If any ECT DTCs P0117 or P0118 are set, then the default TFT is equal to 135°C (275°F). 2. If the ECT is 125°C (257°F) or more, then the default TFT is equal to 135°C (275°F). 3. If the engine run time is less than 300 seconds and: z No intake air temperature (IAT) DTCs P0112 or P0113 are set and IAT is available, then the z Any IAT DTCs P0112 or P0113 are set or IAT is NOT available, then the default TFT is 4. If the engine run time is greater than 300 seconds and no IAT DTCs P0112 or P0113 are set and IAT is available and ECT is between 40 and 125°C (104 and 257°F) and: z IAT at startup is less than 15°C (59°F), then the default TFT is equal to the ECT plus 5°C (8° z IAT at startup is greater than 35°C (95°F), then the default TFT is equal to the ECT plus 10° z IAT at startup is between 15 and 35°C (59 and 95°F), then the default TFT is equal to the 5. If the engine run time is greater than 300 seconds and any IAT DTCs P0112 or P0113 are set or IAT is NOT available, then the default TFT is equal to the ECT. 6. If the engine run time is greater than 300 seconds and ECT is less than 40°C (104°F) or more, then the default TFT is equal to 60°C (140°F). z The PCM freezes shift adapts from being updated. z The PCM records the operating conditions when the Conditions for Setting the DTC are met. The PCM IMPORTANT: The actions listed below are in order of highest to lowest priority.
2004 Hummer H2 2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E Diagnosis (DTC P0218 To DTC P2771) - Hummer H2
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