No Shift Select Buttons Remain Lit. Isuzu S/T Isuzu

For 1990-2009 cars only

Makes 🢒 Isuzu 🢒 1999 🢒 S/T Isuzu - 4WD 🢒 Driveline/Axle 🢒 Transfer Case - NVG 233-NP1 (Two Speed Selectable) 🢒 No Shift Select Buttons Remain Lit

Step	Action	Value(s)	Yes	No
1	Were you sent here from a diagnostic table?	Go to Step 2	Refer to Electric Shift Transfer Case Functional Test
2	Check for an open in CKT 1554 between pin A on the motor/encoder and pin C9 on the TCCM. Is CKT 1554 open?	Go to Step 3	Refer to Perform a Diagnostic On the TCCM
3	Ensure the ignition switch is positioned to OFF. Repair the open in the CKT 1554. Is the repair completed?	Refer to Electric Shift Transfer Case Functional Test	--

Step

Action

Value(s)

Yes

Were you sent here from a diagnostic table?

Refer to Electric Shift Transfer Case Functional Test

Check for an open in CKT 1554 between pin A on the motor/encoder and pin C9 on the TCCM.

Is CKT 1554 open?

Refer to Perform a Diagnostic On the TCCM

Is the repair completed?

Refer to Electric Shift Transfer Case Functional Test