TM 5-3805-296-23-1
0054
Table 1. 0144 Backup Alarm Diagnostic Codes.
0054
CID FMI
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
0144-03 Backup Alarm Relay
Voltage Above Normal
Always inspect harness connectors that are involved in the circuit. Poor
connections can often be the cause of a problem in an electrical circuit.
Verify that all connections in the circuit are clean and secure and that all
connections are in good condition. If a problem with the connection is
found, correct the problem and verify that this malfunction or diagnostic
code is active before performing this procedure.
Perform open or short-circuit test at each harness connection to identify
the correct harness to replace.
Tag all wiring harnesses to aid in installation.
Perform this test only if condition is active.
DIAGNOSTIC CODE SET CONDITION
Transmission/Chassis ECM Detects Above Normal Voltage on Backup Alarm
Relay Circuit X796.
POSSIBLE CAUSE
Backup Alarm Relay.
Fuse Panel Wiring Harness Shorted.
Main Cab Wiring Harness Shorted.
Transmission/Chassis ECM.
Test Step 1. Test for Shorted Backup
Alarm Relay.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).