Table 1. Transmission Has Uncommanded Shift into Neutral.
TEST OR INSPECTION
Uncommanded Shift into
· Always inspect the 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 a
connection is found, correct the problem and verify that this malfunction is
active before performing this procedure.
· Perform an open or short circuit test at each wiring harness connection to
identify the correct wiring harness to replace.
· Perform this test only if the condition is active.
Test Step 1. Verify Transmission
Check for correct level of transmission Transmission Fluid Level Low - Add
fluid (TM 5-2420-231-10) using
transmission fluid to transmission
transmission dipstick (Figure 1, Item 1). (WP 0216).
Proceed to Test Step 6.
Transmission Fluid Level OK -
Proceed to Test Step 2.
Figure 1. Transmission Dipstick.
Test Step 2. Verify Operation of Front
1. Place powershift lever (Figure 2,
Item 1) in the N position (TM 5-
Refer to How To Use On-Board Diagnostics (WP 0006) to understand the
front display screen indicators.
2. Turn ignition switch to the on posi-
Front Display Screen Indicates "nA"
tion (TM 5-2420-231-10).
- Proceed to step 3.
Front Display Screen Is Blank -
Perform Display and/or Backup Alarm