GOD BLESS YOU MY BROTHERS!
Today I got this truck with no communication with the gem. module customers complaint is that 4x4 does not engage. I pulled codes but get not 4x4 code got a bunch of other code B1676 bat. voltage out of range, B1259 rear vent door[flap], B1201 steering wheel audio switch pack 2, B1932 air bag circuit open loop #1 front drivers side, B1869 lamp air bag indicator circuit failure, U1950 UBP communication bus fault, U1058 SCP [j1850] communication bus fault, U1262 SCP data link fault, B1318 rt. front door ajar switch and last B1352 Lf. front temperature damper motor also p01000 customer disconnected the batt. where do I start.
Any help is welcomed thank you.
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