2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 2250
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Control solenoid valve assembly replacement. Refer to Control Module References (See: Testing and Inspection/Programming and
Relearning) for replacement, setup, and programming.
* Perform the Service Fast Learn Adapts (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Testing and
Inspection/Programming and Relearning) following all transmission related repairs.
P0712
DTC P0711, P0712, or P0713
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/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 primary source of heat in the transmission is the drive motor generators. The drive motor generators are cooled by the transmission fluid. Hot
fluid exits the drive motor generators and flows to the transmission cooler supply line. The supply line connects to the cooler, which is in front of
the radiator. The transmission fluid cooler pipe assembly is equipped with an internal thermostat that opens at 80掳C (176掳F) for optimum
transmission operation and fuel economy. The transmission cooler pipe thermostat is part of the transmission fluid cooler pipe assembly, located
near the transmission and is not serviced separately. From the cooler, the fluid returns through the transmission fluid cooler pipe assembly and
enters the lubrication circuits. After lubricating the internal components, the fluid returns to the oil pan. The transmission fluid temperature sensor is
located in the control solenoid valve assembly and is not serviced separately.
Conditions for Running the DTC
* No OSS DTCs P0721, P0722, or P0723, P077B, P215C.
* The engine run time is greater than 5 seconds.
* The system voltage is 11-18 V.
* The estimated drive motor power loss is greater than 0.4 kw for 200 seconds.
* The OSS is greater than 200 RPM for 5 seconds.
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Saturday, November 21, 2020
2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 2250
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