Brake Warning Indicator Always On

WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

Step	Action	Yes	No
Schematic Reference: Brake Warning System Schematics Connector End View Reference: Hydraulic Brakes Connector End Views
1	Did you perform the Hydraulic Brake Diagnostic System Check?	Go to Step 2	Go to Diagnostic System Check - Hydraulic Brakes
2	Turn ON the ignition, with the engine OFF. Release the park brake. With a scan tool, observe the Park Brake Switch parameter in the Body Control Module data list. Does the scan tool indicate that the Park Brake Switch parameter is Off?	Go to Step 5	Go to Step 3
3	Turn OFF the ignition. Disconnect the park brake switch. Turn ON the ignition, with the engine OFF. With a scan tool, observe the Park Brake Switch parameter. Does the scan tool indicate that the Park Brake Switch parameter is Off?	Go to Step 6	Go to Step 4
4	Test the park brake switch signal circuit for a short to ground. Refer toCircuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 8	Go to Step 7
5	Replace the instrument panel cluster (IPC). Refer to Instrument Panel Cluster (IPC) Replacement (Chevrolet) or Instrument Panel Cluster (IPC) Replacement (Pontiac) in Instrument Panel, Gages and Console. Did you complete the replacement?	Go to Step 8	-
6	Replace the park brake switch. Refer toPark Brake Warning Lamp Switch Replacement in Park Brake. Did you complete the repair?	Go to Step 8	-
7	Replace the body control module. Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement?	Go to Step 8	-
8	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2