Bendix Commercial Vehicle Systems VORAD EVT-300 TROUBLESHOOTING - Manual (Page 69)

Fault Isolation Procedures
Code 23
(SID 3, FMI 2)
2-58
Code 23 (SID 3, FMI 2) Brake Input Error
Step A Procedure Condition Action
Step B Procedure Condition Action
1. Key off.
2. Verify the vehicle brake
lights are working
correctly.
1. Using a PC-based or Hand-held
Diagnostic Tool verify vehicle
brake confi guration.
If the brake lights are
working correctly
If the brake lights are not
working correctly
If confi guration is set to Discrete
If vehicle uses J-1939 or J-1587
confi guration
If vehicle uses LED brake lights
Go to Step B.
Repair vehicle brake lights.
Go to Step V.
Go to Step C.
Repair OEM wiring harness
J-1587 or J-1939 data link
may not be connected to the
VORAD system. Go to Step V.
Contact a Bendix representative for
proper confi guration.
Note: VORAD must use either J-1939
or J-1587 to receive brake
signal when LED tail lights are
used on a vehicle.