Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

If the horn relay control circuit is shorted to ground the horns will remain ON at all times.
If the horn relay control circuit is open the horn will only work with the horn button on the steering wheel.
The BCM stores DTC B2752 in memory.