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2004 Deville
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Can someone please direct me on what to check next. I have 2004 Deville that suddenly lost the forward and reverse gears. I show a P0976 and P2764 codes but the trans fuse is good and their is voltage at the 40 pin connector going to the transmission. I thought if one of these codes was set i would have one of the forward gears?
 

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2007 Cadillac STS-V Black On Black
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1,428 Posts
Les help the guy out ...

P0976 - PCM detects a continuous open or short to ground in the 2-3 SS valve circuit
P2764 - Open or Short to ground in the TCC PWM solenoid valve circuit

Bad electrical?
 
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