GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Turn the ignition switch to the OFF position.
  2. Disconnect the brake fluid level sensor.
  3. Turn the ignition switch to the RUN position.

Does the BRAKE indicator still illuminate?

--

Go to Step 3

Go to Step 2

2

Replace the brake fluid level sensor. Refer to Brake Fluid Level Indicator Switch Replacement in Master Cylinder.

Has the repair been made and the system rechecked?

--

System OK

--

3

  1. Turn the ignition switch to the OFF position.
  2. Disconnect the park brake switch.
  3. Turn the ignition switch to the RUN position.

Does the BRAKE indicator still illuminate?

--

Go to Step 5

Go to Step 4

4

Replace the park brake switch. Refer to Parking Brake Indicator Switch Replacement in Parking Brake.

Has the repair been made and the system rechecked?

--

System OK

--

5

  1. Turn the ignition switch to the OFF position.
  2. Disconnect the Daytime Running Lamps (DRL) control module connector C2.
  3. Turn the ignition switch to the RUN position.

Does the BRAKE indicator still illuminate?

--

Go to Step 7

Go to Step 6

6

  1. Check for a short to ground in circuit 1134.
  2. If OK, replace the DRL control module. Refer to Daytime Running Lights (DRL) Control Module Replacement in Lighting Systems.

Has the repair been made and the system rechecked?

--

System OK

--

7

  1. Check for a short to ground in circuit 33.
  2. If OK, replace the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.

Has the repair been made and the system rechecked?

--

System OK

--