System Control Mode Timeout

Symptom:
SYSTEM CONTROL MODE TIME-OUT

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

When Monitored:
1. Vehicle in antilock control mode.

Set Condition:
2. Vehicle speed above 6 km/h (4 mph) for 2 seconds.
3. Criteria 1-2 satisfied for 120 consecutive controller checks spaced 1 second apart.

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