2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 567
Circuit/System Description
The driver and front passenger seat heating elements are controlled by a common high current relay internal to the memory seat module (MSM) and
the low side by individual element control circuits. The MSM connects the heated seat heater element supply voltage circuits for both seats to a
common reference point. This reference point is biased to approximately 2.5 V. Before the MSM will allow heated seat operation, it checks to see if
this reference voltage is shorted to ground or battery voltage. Once the module verifies that it is not closing to a shorted heating element, it allows
heated seat operation. After which it continues to monitor for a shorted circuit.
Conditions for Running the DTC
The MSM must be powered.
Conditions for Setting the DTC
B2345 00
After a heated seat is activated, the MSM detects a shorted circuit on the seat heating element supply voltage circuit or control circuit.
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Thursday, November 14, 2019
2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 567
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