Lindsey Robles
The Honda pressure switch has a lot of say in what goes on in today's transmissions.
The Honda automatic transmission pressure switch might be small in size, but it can pack a mighty punch, causing drivability symptoms if it falls out of its acceptable parameters. Here at H&A Transmissions, Honda and Acura transmissions are our lifeblood. As a wholesaler, we focus on nothing but Honda and Acura transmissions all day, every day. We have done extensive research on these mighty little switches working on vehicles in our shop and working with other shops in our local community. In addition, we perform daily diagnostic work over the phone through our technical assistance department. We have seen and heard of many pressure switch problems out there causing flares, slips, harsh upshifts, harsh down shifts, late shifts, early shifts, you name it. With all the problems these little pressure switches can cause, there is good news. There is very little labor involved in replacing them as they are an external part and are able to be replaced without having to R&R the transmission. That’s always good news, right?
You will find these pressure switches on most Honda and Acura automatic transmission 4 cylinder and V6 applications, with the exception of a few models. Usually, you will find two pressure switches on one transmission. On most 4-speed applications, there will be one second clutch pressure switch and one third clutch pressure switch (see Figure 1). On most 5-speed applications, there will be one third clutch pressure switch and one fourth clutch pressure switch (see Figure 2). But on some of the later V6 models, you might find up to three pressure switches on one transmission. For example, the 2007 and newer Odysseys will have a 2nd, 3rd, and 4th clutch pressure switch. This is just more reason to have a good understanding on how these pressure switches work and the problems they can cause out there in the field.
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