Brake Warning Indicator Always On

Test 1 - 3:

Test 4 - 5:

SYMPTOM
BRAKE WARNING INDICATOR ALWAYS ON

POSSIBLE CAUSES
- Park brake switch
- Brake warning indicator driver circuit short to ground (park brake switch)
- Brake warning indicator (fluid level) switch
- Red brake warning indicator driver circuit short to ground (fluid level switch)
- Instrument cluster
- Powertrain control module