Having problems with your 2006 GMC Sierra ?
2006 gmc sierra
\015 Transmission wont shift into 2nd was spitting 10 different codes. went to dealer, was told needed new computer. they installed new computer did not help. i believe it is a wiring problem. i also installed all new solenoids in valve body, still not working. went to transmission shop could not find problem help!!!\015
Sounds stupid, but try replacing the ingition seitvk, I had same problem with my 97 Jimmy, did everything you did befor replacing the ignition harness. bad wires in ignition switch sends low voltage to trans harness
Repair Help & Product Troubleshooting for 2006 GMC Sierra
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