I have a 2004 chevy Silverado z71 with 116,000 mile on it. For some reason I am unable to put my truck into 4hi or 4low, but able to put my truck into auto and 2wd.
I am having issues with my putting my truck into 4hi and 4low. on 2004 Chevrolet Silverado 1500
SCAN 4X4 MODULE FOR CODES AND POST SO WE CAN ADV POSS BAD SWITCH OR ACTUATOR