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• When Monitored: • Set Condition: Possible Causes RELATED DTC’S PRESENT TRANSMISSION TEMPERATURE SENSOR TRANSMISSION CONTROL MODULE Always perform the 45RFE/545RFE Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to Theory of Operation The Transmission Temperature Sensor is a variable resistor that changes with temperature, or otherwise known as Diagnostic Test 1. DETERMINE IF RELATED DTC’S ARE PRESENT With the scan tool, check Transmission DTC’s. Are there any other related Transmission Temperature Sensor DTCs present? Yes >> Refer to the Transmission category and perform the appropriate symptom. No >> Go To 2 2. CHECK TO SEE IF DTC IS CURRENT With the scan tool, Check the STARTS SINCE SET counter for P0711. NOTE: This counter only applies to the last DTC set. Is the STARTS SINCE SET counter 2 or less? Yes >> Go To 3 No >> Go To 4 3. TRANSMISSION TEMPERATURE SENSOR Turn the ignition off to the lock position. Remove the Starter Relay. CAUTION: Removal of the Starter Relay will prevent the vehicle from being started in gear. WARNING: The Starter Relay must be removed from the PDC. Failure to do so can result in personal injury NOTE: Failure to remove the Starter Relay can cause a Transmission - No Response condition. Ignition on, engine not running. With the Transmission Simulator, turn the Input/Output switch to OFF. With the scan tool, monitor the TRANS TEMP VOLTS while turning the Thermistor Voltage switch to all three posi- 21 - 452 AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS - (DIESEL) KJ |