TM 5-3805-298-23-1
0086
Table 1. 271 Action Alarm Diagnostic Codes.
0086
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
271-3 Action Alarm Voltage
Is Above Normal
Always inspect wiring 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 wiring harness connection to
identify the correct wiring harness to replace.
Tag all wiring harnesses to aid in installation.
Perform this test only if condition is active.
DIAGNOSTIC CODE SET CONDITION
Transmission ECM detects voltage of the action alarm circuit is above normal.
POSSIBLE CAUSE
Lower cab wiring harness is shorted to another power source.
Transmission ECM.
Test Step 1. Check for Active
Diagnostic Codes.
Connect MSD, select Transmission
Diagnostic Code 271-3 Active -
Proceed to Test Step 2.
924H, and check for active diagnostic
codes (WP 0008).
Diagnostic Code 271-3 Not Active -
Troubleshooting is complete.
