Possible Causes
WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
INTERMITTENT CONDITION
BRAKE LAMP SWITCH - SENSE CKT OPEN
BRAKE LAMP SWITCH FUSED B+ CIRCUIT OPEN
BRAKE SWITCH SENSE CIRCUIT SHORTED TO GROUND
BRAKE LAMP SWITCH - OUTPUT OPEN
BRAKE SWITCH SENSE CIRCUIT OPEN
BRAKE SWITCH SENSE GROUND CIRCUIT OPEN
BRAKE LAMP SWITCH OUTPUT CIRCUIT SHORTED TO VOLTAGE
BRAKE LAMP SWITCH OUTPUT CIRCUIT OPEN
ENGINE CONTROL MODULE - BRAKE SWITCH SENSE
ENGINE CONTROL MODULE - INTERNAL
ENGINE CONTROL MODULE - PRIMARY BRAKE SIGNAL