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Re: Limp Mode P0641 Code - Any Ideas? Posted by SWEDECAR [Email] ![]() ![]() ![]() In Reply to: Re: Limp Mode P0641 Code - Any Ideas?, Alex Wolgamott, Fri, 18 Jan 2008 21:23:54 Members do not see ads below this line. - Help Keep This Site Online - Signup |
That's an unusual code if it is retrieved correctly using a scan tool that can deal with CAN equipped cars.
Not all low cost code readers decipher the codes correctly on the modern CAN cars.
The code says that something is wrong with the 5 volt supply from ECU to many different sensors or that maybe one of the many sensors are bad, creating a short cut.
A/C pressure sensor, Fuel pressure sensor, pedal position sensor 2, Throttle position sensor 1 and boost pressure sensor receives that 5 volt signal.
So it would be a matter of checking those sensors to see if one of them is bad, messing around with that 5 volt signal.
I know that on other brand cars, the A/C pressure sensor have a high failure rate.
Anders
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