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Chevrolet Silverado / GMC Sierra. Manual - part 1549
Fig. 35: Door Lock and Side Window Switch - Driver Side
Courtesy of GENERAL MOTORS CORP.
DOOR LOCK AND SIDE WINDOW SWITCH REPLACEMENT - PASSENGER SIDE
Callout
Component Name
Preliminary Procedure:
Remove the door pull handle. Refer to Front Side Door Pull Handle Replacement .
1
Front Side Door Lock and Side Window Switch Assembly
Tip: Disconnect electrical connectors.
2
Front Side Door Lock and Side Window Switch Retainer Clip (Qty: 2)
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Vehicle Access - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 36: Door Lock and Side Window Switch - Passenger Side
Courtesy of GENERAL MOTORS CORP.
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Vehicle Access - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
DESCRIPTION AND OPERATION
DOOR AJAR INDICATOR DESCRIPTION AND OPERATION (W/AN3)
Door Ajar Indicator System Components
The door ajar indicator system consists of the following components:
The driver door switch (DDS)
The passenger door switch (PDS)
The body control module (BCM)
The instrument panel cluster (IPC)
The driver door ajar switch
The passenger door ajar switch
The left rear door ajar switch
The right rear door ajar switch
Driver Door Ajar And Passenger Door Ajar
The driver door switch (DDS) and passenger door switch (PDS) receive a discrete input from the
respective door ajar switch to indicate the status of the door. The DDS or PDS then
communicates this status to the instrument panel cluster (IPC) via GMLAN message. The IPC,
upon receipt of this GMLAN message, will illuminate the appropriate door ajar message in the
driver information center (DIC) and also send a GMLAN message to the radio to activate the
door ajar audible warning when the following conditions are met:
The transmission is removed from PARK
The vehicle speed is greater then 8.05 km/h (5 mph)
Left Rear Door Ajar And Right Rear Door Ajar
The body control module (BCM) receives a discrete inputs from both the left and right rear door
Callout
Component Name
Preliminary Procedure:
Remove the door pull handle. Refer to Front Side Door Pull Handle Replacement .
1
Front Side Door Lock and Side Window Switch Assembly
Tip: Disconnect electrical connectors.
2
Front Side Door Lock and Side Window Switch Retainer Clip (Qty: 2)
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Vehicle Access - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
ajar switches to indicate the status of the rear doors. The BCM then communicates this status to
the instrument panel cluster (IPC) via GMLAN message. The IPC, upon receipt of this GMLAN
message, will illuminate the appropriate door ajar message in the driver information center (DIC)
and also send a GMLAN message to the radio to activate the door ajar audible warning when the
following conditions are met:
The transmission is removed from PARK
The vehicle speed is greater then 8.05 km/h (5 mph)
DOOR AJAR INDICATOR DESCRIPTION AND OPERATION (W/O AN3)
Door Ajar Indicator System Components
The door ajar indicator system consists of the following components:
The body control module (BCM)
The instrument panel cluster (IPC)
The driver door ajar switch
The passenger door ajar switch
The left rear door ajar switch
The right rear door ajar switch
The body control module (BCM) receives a discrete inputs from the front and rear door ajar
switches to indicate the status of the doors. The BCM then communicates this status to the
instrument panel cluster (IPC) via GMLAN message. The IPC, upon receipt of this GMLAN
message, will illuminate the appropriate door ajar message in the driver information center (DIC)
and also send a GMLAN message to the radio to activate the door ajar audible warning when the
following conditions are met:
The transmission is removed from PARK
The vehicle speed is greater then 8.05 km/h (5 mph)
POWER DOOR LOCKS DESCRIPTION AND OPERATION
Door Lock System Components
The power door lock system consists of the following components:
The driver door switch (DDS)
The passenger door switch (PDS)
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Vehicle Access - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
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