2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1565

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1565

Circuit/System Description

The automatic transmission fluid temperature sensor provides transmission fluid temperature to the transmission control module (TCM). The TCM

supplies a 5 V reference signal to the sensor. The automatic transmission fluid temperature sensor is a variable resistor that measures the

temperature of the transmission fluid and is a thermistor, or a resistor that changes value when the temperature changes. The sensor has a negative

temperature coefficient. This means that as the temperature increases the resistance decreases and vice versa. The TCM will compare the

temperature difference between the engine coolant temperature sensor and the automatic transmission fluid temperature sensor to determine if the

temperatures are within an acceptable operating range of each other. This fault is handled inside the TCM and no external circuits are involved.

Conditions for Running the DTC

P0711

* The ignition voltage is 10.2-15.5 V.

* The engine speed is greater than 400 RPM for 2 s.

* TCM communication is normal.

* DTCs P0712, P0713 are not set.

* The transmission is not in emergency mode.

* The engine speed is greater than 400 RPM for 10 min.

* Vehicle speed was 40 km/h (25 MPH) or greater at once.

P0712

* The ignition voltage is 10.2-15.5 V.

* The engine speed is greater than 400 RPM for 2 s.

* The transmission is not in emergency mode.

* Driving in D range.

* TCM communication is normal.

P0713

* The ignition voltage is 10.2-15.5 V.

* The engine speed is greater than 400 RPM for 2 s.

* The transmission is not in emergency mode.

* Driving in D range.

* Driving time is more than 10 min.

* TCM communication is normal.

Conditions for Setting the DTC

P0711

The automatic transmission fluid temperature is less than 20掳C (36掳F) after 10 min driving or more.

P0712

The automatic transmission fluid temperature is more than 200掳C (473掳F) for 10 s or more after consecutive 30 times.

P0713

The automatic transmission fluid temperature is lower than -43掳C (-45掳F) for 1 s or more after consecutive 12 times.

Action Taken When the DTC Sets

* The TCM will default the transmission oil temperature to 80掳C (353掳F).

* No lock-up slip control

* No neutral control

* No self learning control

Conditions for Clearing the DTC

P0711, P0712, and P0713

These are Type C DTCs.