I have a 4 door 4X4 with 3 button 4WD switch

  • 1996 GMC JIMMY
  • 177,000 MILES

I have a 4 door 4x4 with 3 button 4wd switch. It will not shift into 4hi. Work in 2hi and 4lo. I replaced the transfer case encoder motor. The actuator does work. Dtc is #2. How do I test the tccm?

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have the same problem?
Monday, February 18th, 2013 AT 3:26 AM

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