BENDIX BW2849 Component Code 25 SID 231, FMI 2, 12 Cruise Signal Error, Terminating, Resistor

Fault Isolation Procedures

Component Code: 25, 32

(SID 231, FMI 2, 12, 14)

J-1939 and Cruise Signal Error

Overview

This fault code indicates that VORAD failed to communicate with the engine over the J-1939 data link.

Detection

Starting at key on and throughout the operation, the VORAD Central Processing Unit constantly monitors the communication with the engine ECU. If a communication fault occurs for more than 5 seconds, this fault is set.

Fallback

This fault causes a failure of the Bendix™ VORAD® system SmartCruise® option.

Required Tools

•Basic Hand Tools

•Data Link Tester

•Digital Volt/Ohm Meter

•Troubleshooting Guide

Possible Causes

This fault code can be caused by any of the following:

•J-1939 Data Link

•Engine ECU

•Central Processing Unit

	Central
	Processing Unit			Engine ECM
	UP
	EATONVORAD
	T E C H N O I O G I E S
	EVT-300 COLLISION WARNING RADAR SYSTEM
	EATONVORAD
	Made in U.S.A.
Terminating		J-1939/11 data link
resistor
		(OEM supplied)
		Shield		Terminating
		termination
				resistor
		+	_
2-67