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2001 Ford Taurus low kam voltage??????? - 2000 Lincoln LS

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I have a 2003 ford sport track and have a p1633 code and can't seem to find the problem

Kam voltage to low keep alive memory I don't have any idea what it means I looked it up and still don't know

Jun 09, 2016 | Ford Cars & Trucks

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Ford Taurus model???
this is for ford T 2000
p1633 keep alive memory test failure

Jul 19, 2014 | Ford Taurus Cars & Trucks

1 Answer


i recently had this issue with my 2001 taurus dohc engine. when you drive it seems that everything is fine. when you stop, the car will idle very low and somethimes shut off. there is a hose under the throttle body that is attached to the pcv valve. over time, this hose will collapse and eign to tear. i replace that hose (autozone for $10) and it solved my idling problem.

May 17, 2012 | 2001 Ford Taurus

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Kam voltage

The Keep Alive Memory (KAM) voltage to the onboard computer has been interrupted. Either by a dead battery (for whatever reason) a disconnected battery, sombody pulled the fuse out of the fuse block, or there is a bad connection in the circuit leading to the computer.

Jan 07, 2012 | 2002 Ford Taurus

1 Answer

I have a 2004 Ford Taurus. About a week ago, the A/C clutch started making noise. I disconnected the plug, as I can not afford a new compressor, at this time. Two days later, the "Check...

The P0511 code is for the idle air control circuit and the P1633 is stating the the KAM voltage is too low. My guess is if you are having issues with the Idle air control circuit this could cause stalling, especially if the valve is not functioning properly and allowing too much air at idle, this causing the car to stall. I can't imagine that by pulling the connector on the A/C compressor you would get either of these codes. Have you checked for corrosion on the battery or proper battery voltage level? Here is a forum that may be of some help for trouble areas to look for (regarding P1633):
As far as P0511 goes if you notice any hooting type noise that is a sure indicator of a faulty IAC valve, if not then I would say first check that you do have proper output from your battery/alternator and then either take it to get properly diagnosed or try to check the circuit yourself.

Apr 12, 2011 | 2004 Ford Taurus

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2001 for tarous code p1633 what does that mean

P1633 means KAM (keep alive memory) power is low. The power that goes to the vehicles computer to hold its memory when the key is off has lost its power. I would start by checking fuses in the fuse panel in the engine compartment(near the radiator support). If the fuses are all good then I would test for power at the computer connector which is also in the engine compartment behind the engine. I don't have the pin number or wire color at the moment (I apologize) since the Ford website is down at the moment. I have repaired this problem in the past by installing another power wire to feed the circuit essentially bypassing the original circuit.
Hope this helps

Apr 04, 2010 | 2001 Ford Taurus

1 Answer

Code 1633 low voltage to the KAm

This code means that the keep alive memory power went low. Possibly the van sat for awhile or the battery went dead? The light should go out after a period of time, if you're in a hurry, you could have it turned off by someone with a diagnostic scan tool. Autozone parts stores may do this for free.

Mar 20, 2009 | 2001 Ford Windstar

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2000 lincoln ls i got a trouble code p1633 (KAM)voltage to low

P1633 means KAM (Keep Alive Memory ) Voltage too low. the KAM is caused by low battery voltage and you replace the battery.When you replace the battery the KAM loses Memory and the problems resulting in what you are experiencing now.When replacing a new battery, reconnect the Positive cable first.And use a trickle battery charger set low to the cables before disconnectng the battery . this will keep the voltage to the ECM powered with enough voltage. All you can do now is make the computer relearn the way it should run. Disconnect the negative cable from the battery, wait a while 20 seconds or so. then reconnect the cable. I do not know if this is a temporary fix or not but it should re-program the computer.

Nov 19, 2008 | 2000 Lincoln LS

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