6T30/6T40/6T45 - Automatic Transmission
DTC P0711, P0712, or P0713
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis Strategy Based Diagnosis for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions Diagnostic Procedure Instructions provides an overview of each diagnostic category.
DTC Descriptors
DTC P0711
- Transmission Fluid Temperature (TFT) Sensor Performance
DTC P0712
- Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage
DTC P0713
- Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage
Diagnostic Fault Information
Typical Scan Tool Data
Circuit/System Description
The transmission fluid temperature (TFT) sensor is located inside of the transmission control solenoid (w/body and TCM) valve assembly which has no serviceable parts. The TFT sensor provides transmission fluid temperature to the transmission control module (TCM). This fault is handled inside the TCM and no external circuits are involved.
Conditions for Running the DTC
P0711
* No DTCs P0101, P0102, P0103, P0116, P0117, P0118, P0121, P0122, P0123, P0336, P0337, P0338, P0711, P0716, P0717, P0722, or P0723, P0742, P2726.
* The engine speed is greater than 500 RPM for 5 seconds.
* The ignition voltage is between 9.0 volts and 18.0 volts.
* DTC P0711 has not set this ignition cycle.
* The transmission fluid temperature is between -40 and +150°C (-40 and +302°F).
* Engine coolant temperature is between -39 and +149°C (-38 and +300°F).
* Throttle position is greater than 8 percent.
* Vehicle speed is greater than 8 km/h (5 mph).
* The engine torque is greater than 50 Nm (37 lb ft).
P0712
* The engine speed is greater than 500 RPM for 5 seconds.
* The ignition voltage is between 9.0 volts and 18.0 volts.
* DTC P0712 is not set this ignition cycle.
* No DTCs P0716, P0717, P0722, P0723.
P0713
* The engine speed is greater than 500 RPM for 5 seconds.
* The ignition voltage is between 9.0 volts and 18.0 volts.
* DTC P0713 has not set this ignition cycle.
* No DTCs P0716, P0717, P0722, or P0723.
Conditions for Setting the DTC
P0711 - Condition 1
* Vehicle speed is 8 km/h (5 mph) or greater for 300 seconds cumulative.
* TCC slip speed is greater than 150 RPM.
* The TFT is between -40 and +21°C (-40 and +70°F).
* The TFT has changed by less than 2.0°C (3.6°F) in 100 seconds.
* The engine coolant temperature (ECT) is greater than 70°C (158°F).
* The ECT has increased by 55°C (99°F) since startup.
Condition 2
* Vehicle speed is 8 km/h (5 mph) or greater for 300 seconds cumulative.
* The TFT is between 129-150°C (264-302°F).
* The TFT has changes by less than 2.0°C (3.6°F) in 100 seconds.
* The ECT is greater than 70°C (158°F).
* The ECT has increased by 55°C (99°F) since startup.
Condition 3
The TFT changes by 20°C (36°F) or greater 5 times over 7 seconds.
Condition 4
The TFT changes by 20°C (36°F) or less after a predetermined time.
P0712
The TFT is greater than 254°C (489°F) for 10 seconds or more.
P0713
The TFT is less than -254°C (-425°F) for 10 seconds or more.
Action Taken When the DTC Sets
* DTCs P0711, P0712, and P0713 are Type B DTCs.
* The TCM freezes transmission adaptive functions.
* The TCM defaults to a calculated transmission fluid temperature based off engine run time and engine coolant temperature.
Conditions for Clearing the DTC
DTCs P0711, P0712, and P0713 are Type C DTCs.
Diagnostics Aids
The TCM temperature sensor is located inside of the control solenoid (w/body and TCM) valve assembly and its output should resemble that of the transmission fluid temperature (TFT) sensor's output.
Reference Information
Schematic Reference
Automatic Transmission Controls Schematics 6T30/6T40/6T45 - Automatic Transmission
Connector End View Reference
* Component Connector End Views Connector End Views By Name
* Inline Harness Connector End Views Connector End Views By Number
Electrical Information Reference
* Circuit Testing Circuit Testing
* Connector Repairs Connector Repairs
* Testing for Intermittent Conditions and Poor Connections Testing for Intermittent Conditions and Poor Connections
* Wiring Repairs Wiring Repairs
Description and Operation
* Electronic Component Description Electronic Component Description for control solenoid (w/body and TCM) valve assembly
* Transmission General Description Transmission General Description
* Transmission Component and System Description Transmission Component and System Description
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Scan Tool Reference
Control Module References Programming and Relearning for scan tool information
Circuit/System Verification
1. Engine idling at operating temperature, verify the scan tool Trans Fluid Temp. parameter is between -254 and +254°C (-425 and +489°F).
• If not within the specified range, replace the control solenoid (w/body and TCM) valve assembly.
2. Operate the vehicle at 64 km/h (40 mph) for 10 minutes. Monitor the Transmission Fluid Temperature parameter and the TCM Temperature parameter with a scan tool. The Transmission Fluid Temperature parameter should increase by more than 2°C (3.5°F). Also, the Transmission Fluid Temperature parameter and the TCM Temperature parameter should be within 10°C (18°F) of each other.
• If the Transmission Fluid Temperature parameter does not increase by more than 2°C (3.5°F) or the Transmission Fluid Temperature parameter is not within 10°C (18°F) of the TCM Temperature parameter, then replace the control solenoid (w/body and TCM) valve assembly.
3. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
Repair Instructions
Perform the Diagnostic Repair Verification Verification Tests after completing the diagnostic procedure.
Note: Before replacing the TCM, perform the Control Solenoid Valve and Transmission Control Module Assembly Inspection Control Solenoid Valve and Transmission Control Module Assembly Inspection.
* Refer to Control Module References Programming and Relearning for control solenoid (w/body and TCM) valve assembly replacement, setup, and programming.
* Perform the Service Fast Learn Adapts 6T30/6T40/6T45 - Automatic Transmission following all transmission related repairs.