Diagnostic Instructions
DTC Descriptor
DTC P0711
Transmission Fluid Temperature Sensor Performance
DTC P0712
Transmission Fluid Temperature Sensor Circuit Low Voltage
DTC P0713
Transmission Fluid Temperature Sensor Circuit High Voltage
Diagnostic Fault Information
Typical Scan Tool Data
Transmission Fluid Temperature
Circuit/System Description
For an overview of the component/system, refer to Transmission General Description
The sensor is an input to the control module K71. The input signal is used to determine the temperature of the fluid: Transmission
The control module uses this data, along with other data, to adjust or control the following:
Conditions for Running the DTC
P0711
Frequency the DTC runs=Continuously - After the running conditions are met - For greater than 2 s
P0712
Ignition Voltage=9 to 32 V
Frequency the DTC runs=Continuously - After the running conditions are met - For greater than 2 s
P0713
Frequency the DTC runs=Continuously - After the running conditions are met - For greater than 2 s
Conditions for Setting the DTC
P0711Condition 1
Transmission Fluid Temperature & Engine Coolant Temperature=Not within 43ºC (77ºF) of each other
Condition 2
Transmission Fluid Temperature=The temperature does not change within 10 min & The vehicle speed has reached 40 km/h (29 MPH) at least once during this drive cycle.
Condition 3
Transmission Fluid Temperature=The temperature does not change within a predetermined time.
P0712
Transmission Fluid Temperature=Warmer than 200ºC (392ºF) - For greater than 60 s
P0713
Transmission Fluid Temperature=Colder than -55ºC (-67ºF) - For greater than 12 s
Actions Taken When the DTC Sets
DTCs listed in the DTC Descriptor Category=Type B DTC
Conditions for Clearing the DTC
DTCs listed in the DTC Descriptor Category=Type B DTC
Reference Information
Schematic: Reference
Refer to Automatic Transmission Controls Wiring Schematics
Connector End View: Reference
Refer to Component Connector End View Index
Component View: Reference
Refer to Disassembled Views
Electrical Information: Reference
DTC Type: Reference
Refer to Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Scan Tool: Reference
Refer to Control Module: References
Circuit/System Verification
1. Verify the condition does not exist: Incorrect fluid level or condition - Transmission - Refer to Transmission Fluid Level and Condition Check
Refer to Fluid Leak Diagnosis
2. Verify the scan tool parameter: Transmission Fluid Temperature=-39 to 199ºC (-39 to 390ºF)
Refer to Circuit/System Testing
3. Operate the cold vehicle above 64 km/h (40 MPH) for 10 min.
Verify the scan tool parameter: Transmission Fluid Temperature=Temperature increases greater than 2ºC (4ºF)
Refer to Circuit/System Testing
4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
Verify the DTC does not set.
Refer to Circuit/System Testing
5. All OK.
Circuit/System Testing
NOTE: It may take up to 2 min for all vehicle systems to power down before an accurate ground or low reference circuit continuity test can be performed.
1. Ignition/Vehicle & All vehicle systems - Off
NOTE: Twisting or tilting of the transmission control module electrical connector while disconnecting may result in bent or misaligned electrical terminal pins.
2. Remove the component: K71 Transmission Control Module.
3. Test for infinite resistance between the test points: Low: Reference circuit terminal 19 & Transmission Case.
Replace the component: Automatic Transmission Wiring Harness
4. Test for infinite resistance between the test points: Signal circuit terminal 10 & Transmission Case
Replace the component: Automatic Transmission Wiring Harness
5. Test the resistance between the test points: Low: Reference circuit terminal 19 & Signal circuit terminal 10
Verify the value is within the range listed in the table: Refer to Temperature Versus Resistance (B13 Transmission Fluid Temperature Sensor) Refer to Temperature Versus Resistance (Q27 Pressure Control Solenoid Valve) Refer to Temperature Versus Resistance (Q32 Shift Solenoid Valve 1)
Replace the component: K71 Transmission Control Module
6. Test or replace the component: Automatic Transmission Wiring Harness
Repair Instructions
Perform the Diagnostic Repair Verification after completing the repair: Refer to Diagnostic Repair Verification