Trouble Code 2 - Parking Brake Related Problem

1. The following items are possible causes:
a. Parking brake is applied for more than 30 seconds while driving.
b. Brake fluid level in master cylinder is low.
c. Green/red lead is shorted between brake warning light and parking brake switch.
d. Green/red lead is shorted between brake warning light and brake fluid level switch.
e. Brake warning light is blown.
f. Green/red lead is shorted between brake warning light and parking brake.
g. Green/red lead is shorted between parking brake and control unit.
2. If items listed are satisfactory, check control unit connections. If not loose or disconnected, substitute good control unit and recheck.