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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 90 (Lighting Systems) >> Diagnostic Information and Procedures >> Hazard Lamps Always On

Hazard Lamps Always On

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Hazard Lamps Always On

Step Action Yes No
Schematic Reference: Exterior Lights Schematics 
Connector End View Reference: Master Electrical Component List in Wiring Systems
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2 Place the hazard switch in the OFF position.
Do the hazard lamp remain ON continuously?
Go to Step 3  Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
3 Disconnect the driver information center (DIC).
Do the hazard lamps turn OFF?
Go to Step 6  Go to Step 4 
4 Test for a short to ground in the hazard switch signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 7  Go to Step 5 
5 Replace the body control module (BCM). Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming.
Did you complete the replacement?
Go to Step 7  -
6 Replace the DIC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup and programming.
Did you complete the repair?
Go to Step 7  -
7 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 2