Horn Inoperative in Content Theft Deterrent (CTD) Alarm Mode. Pontiac Firebird 1999

For 1990-2009 cars only

Makes 🢒 Pontiac 🢒 1999 🢒 Firebird 🢒 Body and Accessories 🢒 Theft Deterrent 🢒 Horn Inoperative in Content Theft Deterrent (CTD) Alarm Mode

Step	Action	Value(s)	Yes	No
Important: Horns may be turned off in feature customization. Refer to Feature Customization .
1	Disconnect the Body Control Module (BCM) connector C3. Connect a test lamp between B+ and the BCM connector C3 terminal C9. Press the horn switch on the steering wheel. Does the test lamp light?	--	Go to Step 2	Go to Step 3
2	Test for a poor connection at BCM connector C3 terminal C9. If the connection is OK, replace the BCM. Refer to Body Control Module Replacement . Is the repair complete?	--	System OK	--
3	Repair the open in circuit 28 between the BCM C9 terminal C9 and connector C216 terminal G. Is the repair complete?	--	System OK	--