B2765

DTC B2765

CIRCUIT DESCRIPTION
Battery positive voltage is supplied to the memory function switch from the driver door module (DDM). When a memory switch is pressed, battery voltage is applied through the switch contacts, a series of resistors and thorough the memory switch signal circuit to the DDM for the selected memory recall function. The door control module then sends a GMLAN message to the memory seat module (MSM) indicating the memory recall request. The MSM then commands the appropriate seat motors to move to the pre-recorded seat position stored in memory in response to the switch input.

DTC DESCRIPTOR
This diagnostic procedure supports the following DTC:
DTC B2765 Memory Set Switch Circuit

CONDITIONS FOR RUNNING THE DTC
The door module must be powered and can not have B1327 - Battery Voltage Low or B1328 - Battery Voltage High set as an active DTC for this DTC to set.

CONDITIONS FOR SETTING THE DTC
If the door module detects that the memory switch input circuit is active for 30 continuous seconds, the switch will be considered shorted and the DTC will set.

ACTION TAKEN WHEN THE DTC SETS
After the initial memory activation, no other memory switch activations shall be recognized as a result of this switch circuit being active.

CONDITIONS FOR CLEARING THE DTC
The DTC automatically clears when the switch circuit setting the DTC is no longer active.

TEST DESCRIPTION

Step 1 - Step 10:

The number below refers to the step number on the diagnostic table.
2. Checks the existing state of the memory recall switch by using the current state of the input parameter.