Fault Isolation Procedures

Code 23 (SID 3, FMI 2) Brake Input Error

Step A

Procedure

Condition

Action

 

 

 

 

1.Key off.

2.Verify the vehicle brake lights are working correctly.

If the brake lights are working correctly

Go to Step B.

If the brake lights are not

 

Repair vehicle brake lights.

working correctly

 

Go to Step V.

 

(SID 3, FMI

Code 23

2)

 

Step B

Procedure

Condition

 

Action

 

 

 

 

 

 

 

1. Using a PC-based or Hand-held

If configuration is set to Discrete

 

Go to Step C.

 

Diagnostic Tool verify vehicle

 

 

 

 

 

 

 

 

 

 

brake configuration.

 

 

 

If vehicle uses J-1939 or J-1587 configuration

Repair OEM wiring harness J-1587 or J-1939 data link may not be connected to the VORAD system. Go to Step V.

If vehicle uses LED brake lights

 

Contact a Bendix representative for

 

 

proper configuration.

 

 

Note: VORAD must use either J-1939 or J-1587 to receive brake signal when LED tail lights are used on a vehicle.

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BENDIX BW2849 manual Code 23 SID 3, FMI 2 Brake Input Error, Go to Step B If the brake lights are not, Proper configuration