2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 615
Circuit/System Description
The heated seat temperature sensor is located in the seat back just under the seat cover with the seat heating element. The temperature sensor is a 2
wire thermistor and resistance through the sensor varies with temperature. The signal circuit is referenced from 5 V within the memory seat module
(MSM) and the temperature of the seat surface determines the signal circuit voltage. Once the seat reaches the set temperature, the module will then
cycle the control circuits of the heating elements ON and OFF in order to maintain the desired seat temperature based on the feedback voltage from
the sensors.
Conditions for Running the DTC
The heated seat system must be active.
Conditions for Setting the DTC
B2435 02 or B2440 02
The temperature sensor voltage drops below 0.8 volt for more than 1 second.
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