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Discussion Starter #1
So my check engine light came on when i was going down the road today. When i got back home i plugged up the superchip and got the readings for it and the book that superchip gave me said that it was something like a power steering switch. How do I fix it or can I get some advice from you geniuses pleaseeee :)

thanks guys
 

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The Silver Bullet
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re

Code P0553 is steering pressure sensor circut too high
 

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Discussion Starter #6
my bad its code P0551--Powersteering Switch Failure. anybody knopw the solution for it? Please let me know because this sucks that my check engine light is still on. I have cleared it twice.
 

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Got 2 Hemis
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P0551=Power Steering Pres Sensor CKT Range/Perf. Could be the sensor. I've heard of folks having the power steering system flushed. Never did that on any of my vehicles, but maybe there's some gunk/trash in the system affecting the pressure sensor. Don't know how much a sensor costs or how hard to change. May not be too bad to swap it.
 

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Isn't there a switch to kick up the idle speed to keep the
truck from stalling on a power steering pressure spike?

I'll take a look at the manual as soon as I get a chance.


Switch is located a #5 in figure 9.


 

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revinupthedodge said:
So i just have to replace that little part?

I can't really tell you that, there could be a few things causing the code.
I'm not sure how the PCM knows there's a problem with it. Since it's a
normally closed switch, the only way I can see that the PCM knows
that there's a problem is if it can determine that the switch is in the
open position for an unusually long time.
Other things can cause that to occur though, like if the connector to
the switch is loose, or if there's a break in the wiring between the PCM
and the connector.

If it's a defective switch, then yeah, replacing it should work.
 
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