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Thanks Glacier991. I appreciate both you and "Don's" response. I'll be switching those solenoids out now and see what happens. Cecil

Don, Thanks for the response. I have a 4R55E. does it make a difference? I was at the dealer today and the parts guy printed me a picture of the valve body and said it - engine, EPC, SS, SS, TCC. Now when I asked the service writer and Transmission mechanic at the dealership to identify the...

Can someone identify which of the solenoids are the 2nd gear shift solenoid on a 95 Exp 4.4 V6 Transmission VALVE Body? I know there are two shift solenoids on the passanger side. and on the Driver's side there are four solenoids - Starting from the Rear driver side - 1st is the TCC solenoid...

I spoke with a Mechanic friend and he advise the code P0733 - is normally associated with "Extended shift and engine RPM above expected level or "No upshift". He suggest checking the Electronic Pressure Control (EPC) solenoid and the shift soleneod in the valve body. Suspects an electrical...

Thanks RickOTR for the advise. I'll look in the TansGo shift and see how it goes. I'm still intrested in know if anyone had the error code 646 and what they did to fix it. Thanks again.

Whenever the OD light is blinking, a CODE is being set. You can take it to AUTOZONE and they will check and tell you what the code is. Once you know from the code what is wrong, you can begin to fix the problem. GOOD LUCK

I changed the filter, added synthetic fluid and LUCAS additive and it's didn't work. NO metal found in the fluid/pan and it did not smell burnt. It was pretty clean. The OD light still blinking and still getting CODE 646 - Incorrect Gear Ratio obtained for 2nd Gear - 2nd Gear Failure and the...

Thanks for the response. I'll be changing the fluid and filter tomorrow and will try and find a bottle of LUCCAS for the tranny to add. I'm thinking of checking out the valve body while I'm in there and cleaning it, but don't know how much work is involved and if any special tools are required...

My 1995 4.0 V6, 4X4, 110K. The OD switch just started blinking on the dash without any warning. The engine and transmission was running fine. The lite just came on, and I noticed the RPM is running high when shifting into 2nd gear. If I accelerate and then take my foot off the gas, it's shifts...