P0847 Which part # for trans pressure switch sensor
11-12-2018, 12:07 AM
#1
P0847 Which part # for trans pressure switch sensor
My car (2008 Civic LX automatic 4 door, 75,000 miles) starting shifting weird yesterday and the green light next do D(drive) started flashing, then my check engine light came on. I got codes P0847 and P0756. I have read MANY posts online about this common problem and most say that it's most likely a bad transmission pressure switch sensor. I figured I would buy one and swap it out, but I am not sure exactly which transmission fluid pressure switch to get. Here are the 3 options I have seen in the posts:
28600-RG5-013
28600-rpc-003
28600-rpc-004
I have read that they all work. I have also read that there are 2 locations, but I think the one I want to switch is under the car, remove the plastic guard, then it's there. I'm not exactly sure where the switch is located, but I've been watching youtube videos and reading a ton of posts. Which part number is correct? How much should I expect to pay (I've seen $10-$75)? I was going to order one from Advanced Auto just because I can use a discount code and I also have a $20 reward. Or I can buy one somewhere else if that's a better idea/better deal.
Also, I have read that I need to get a new crush washer/gasket. What is that part number? Out of 30+ posts I've read, I have yet to see what the exact gasket/washer is I should get. Last summer, over a year ago, I changed the transmission fluid and used a washer for that. Is that the same size washer? Because I have extras.
Thanks in advance for the help and the clarification on which part to get and where to install it.
28600-RG5-013
28600-rpc-003
28600-rpc-004
I have read that they all work. I have also read that there are 2 locations, but I think the one I want to switch is under the car, remove the plastic guard, then it's there. I'm not exactly sure where the switch is located, but I've been watching youtube videos and reading a ton of posts. Which part number is correct? How much should I expect to pay (I've seen $10-$75)? I was going to order one from Advanced Auto just because I can use a discount code and I also have a $20 reward. Or I can buy one somewhere else if that's a better idea/better deal.
Also, I have read that I need to get a new crush washer/gasket. What is that part number? Out of 30+ posts I've read, I have yet to see what the exact gasket/washer is I should get. Last summer, over a year ago, I changed the transmission fluid and used a washer for that. Is that the same size washer? Because I have extras.
Thanks in advance for the help and the clarification on which part to get and where to install it.
11-12-2018, 06:23 PM
#2
Re: P0847 Which part # for trans pressure switch sensor
The 3rd Clutch Transmission Fluid Pressure Switch is Honda part # 28600-RPC-013 which replaced part # 28600-RPC-003.
The washer/gasket part # is 90471-PW7-A00.
The switch is located at the bottom of the transmission housing.
The washer/gasket part # is 90471-PW7-A00.
The switch is located at the bottom of the transmission housing.
11-23-2018, 11:11 PM
#5
Re: P0847 Which part # for trans pressure switch sensor
So... I ended up ordering a Honda switch on Ebay. I ordered the 28600-RPC-013 switch and the guy sent me 28600-RPC-004. I thought 28600-RPC-004 was a different switch, for the upper part of the transmission? I thought 28600-RPC-013 was interchangeable with 28600-RPC-003 and NOT 28600-RPC-004? Or can I use 28600-RPC-004 for both? I am changing my lower 3rd clutch pressure switch. Thanks
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