GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 1999 🢒 S/T Isuzu - 4WD 🢒 Driveline/Axle 🢒 Transfer Case - NVG 233-NP1 (Two Speed Selectable) 🢒 Perform a Diagnostic on the Transfer Case Control Module

Perform a Diagnostic on the Transfer Case Control Module for Isuzu S/T Isuzu - 4WD 1999

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

Perform a diagnostic on the TCCM. Refer to Obtaining Stored Diagnostic Trouble Codes (DTC) in this section.

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