TM 5-3805-298-23-1
0079
Table 1. 41 Eight-Volt Transmission Sensor Power Supply Diagnostic Codes - Continued.
079
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
5. Using MSD, check for active
Diagnostic Code 41-3 Eight-Volt
41-3 Eight-Volt Sensor
diagnostic codes (WP 0008).
Sensor Power Supply Is Above
Power Supply Is Above
Normal Becomes Inactive -
Normal or the Voltage Is
Troubleshooting complete.
Shorted High - Continued
Diagnostic Code 41-3 Eight-Volt
Sensor Power Supply Is Above
Normal Remains Active - Repeat
troubleshooting from the beginning.
NOTE
41-4 Eight-Volt Sensor
Power Supply Is Below
Always inspect wiring harness connectors that are involved in the circuit.
Normal or the Voltage Is
Poor connections can often be the cause of a problem in an electrical
Shorted Low
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 the voltage of the sensor circuit is below normal.
POSSIBLE CAUSE
Transmission wiring harness is shorted to ground.
Lower cab wiring harness is shorted to ground.
Transmission ECM.
Test Step 1. Check for Active
Diagnostic Codes.
Connect MSD, select C6.6 924 and
Diagnostic Code 41-4 Active -
Proceed to Test Step 2.
check for active diagnostic codes
Diagnostic Code 41-4 Not Active -
Troubleshooting is complete.
