For 1990-2009 cars only
Encoder Signal Check for Oldsmobile Bravada 1998
The TCCM checks the encoder signal in order to verify that the transfer case is in either 2HI, 4HI, or 4LO.
The TCCM checks the encoder signal in order to verify that the transfer case is in either 2HI, 4HI, or 4LO.