System Control Mode Timeout

Symptom:
SYSTEM CONTROL MODE TIME-OUT

When Monitored and Set Condition:
SYSTEM CONTROL MODE TIME-OUT

When Monitored: Vehicle in antilock control mode. Vehicle speed above 6 km/in (4 mph) for 2 seconds.

Set Condition: When monitored conditions have been satisfied for 120 consecutive controller checks spaced 1 second apart.

POSSIBLE CAUSES
CAB - NO RESPONSE TO INPUT
BRAKE LAMP SWITCH
BRAKE LAMP SWITCH SENSE CIRCUIT
CAB INTERNAL FAULT