Thursday, June 24, 2021

2010 Cadillac Truck SRX FWD V6-3.0L Page 339

2010 Cadillac Truck SRX FWD V6-3.0L Page 339



DTC B318A 02



- Left Rear Window Switch Short to Ground



DTC B318A 39



- Left Rear Window Switch Internal Malfunction



DTC B319A 02



- Right Rear Window Switch Short to Ground



DTC B319A 39



- Right Rear Window Switch Internal Malfunction



Diagnostic Fault Information



Circuit/System Description



When a window switch is pressed on the driver window switch, a serial data message is sent to the body control module (BCM). The BCM



examines the request and checks for messages from other power window motors prohibiting the window movement. If no prohibitive messages



have been received, the BCM will send a serial data message to the passenger window motor or to the appropriate rear window switch which will



perform the command as requested.



Conditions for Running the DTC



Battery voltage must be between 9-16 V.



Conditions for Setting the DTC



B316B 00



The BCM has detected the driver right front or left rear or right rear window switch is active for greater than 60 seconds.



B316B 02



The BCM has detected the driver left front window switch is active for greater than 60 seconds.



B317A 02



The BCM has detected the passenger window switch is active for greater than 60 seconds.



B318A 02



The BCM has detected the left rear window switch is active for greater than 60 seconds



B319A 02



The BCM has detected the right rear window switch is active for greater than 60 seconds



B316B 39, B317A 39, B318A 39, B319A 39



The BCM has detected an internal failure within the affected door switch



Action Taken When the DTC Sets



The affected power window will malfunction.

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