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P1633 edu what is the edu

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Make sure about the enquiry but I think its called an ecu and not an edu,please make sure

Posted on Jul 13, 2013


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Got code p1633 I changed the battery, but my lights to my radio and clock are very dull at times, sometimes there fine, what could it be?

P1633 - Keep Alive Power (KAPWR) Voltage Too Low Description: Indicates the KAPWR circuit has experienced a voltage interrupt. Possible Causes:
  • Open KAPWR circuit
  • Intermittent KAPWR
Diagnostic Aids: Loss of KAPWR to the powertrain control module (PCM) results in immediate malfunction indicator lamp (MIL) illumination and DTC P1633. Application Key On Engine Off Key On Engine Running Continuous Memory All GO to Pinpoint Test QB .

Jan 11, 2016 | 2007 Ford Explorer Eddie Bauer

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I've a problem, P1633 code.i changed ECU and Throttle but pressent this code

What make , model an year vehicle ? P1633 can mean one thing for one make vehicle an something else for an other one.
P1633 Chevrolet - Ignition 0 Switch Circuit
P1633 - KAM Voltage Too Low
P1633 Hyundai - Immobilizer Status Lamp
P1633 Toyota - ECM Malfunction ETCS Circuit

Dec 18, 2015 | Cars & Trucks

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My 1999 ford f150 has amiss fire and the p1633 code came up but the service engine light is not on

P1633 means the battery was disconnected or became discharged enough to be unable to keep the battery-backed memory in the control module alive.

If the alternator is failing intermittently, it may not always keep the battery charged enough to properly run the engine, which could cause misfires. Ensure the battery and its terminal connections are in good shape.

I am trying to connect the two facts you listed. Your facts may not be enough to find the actual cause of the misfire, however. Certainly a disconnected or otherwise discharged battery will cause the P1633 code.

Feb 11, 2015 | Ford Cars & Trucks

1 Answer

How do i fix code p1633 on a 05 freestar

354c35d7-d4a9-4ca4-ae2b-ec6001b1c54b.jpg e5ed650a-d66a-4a24-8347-6e7b1169f9bf.jpg 3790fade-6915-4095-ae86-584ba6d7a1dd.jpg 6fbc9bb5-b7de-43ae-9414-b19def3bde1a.jpgDid your battery go dead or you get a jump start that can cause this code also .

Apr 14, 2014 | 2005 Ford Freestar

1 Answer

My toyota noah refuses to revv and the fault code is p1633

P1633 code has to do with the Electronic Control Module,

Nov 12, 2012 | Toyota Cars & Trucks

1 Answer

Error codes for reader p1633 2005 F250

P1633 definition is Keep alive power,This can be generated when you have a interruption to the ECM memory,this can be caused by a bad battery connection,or a open fuse to the KAPWR (keep alive power)

Nov 11, 2012 | Cars & Trucks

1 Answer

What the P1633 code for ford explorer xlt

Ford code P1633 means: Keep Alive Power Voltage Too Low

Feb 04, 2012 | Cars & Trucks

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I have 2005 crown vic it putting out a code p1633

I am going to insert an Article with test procedures and it will tell you how to correct the problem.
The Code p1633 means "Keep alive power voltage too low". If you type in the captioned sentence in the Browser search box, it will pull up an Article from and so on. Use that site and the repair will be explained. Our pasting ability does not allow for different Formats to fit our S2008-06-02_220239_1.pngolution screen.


Mar 22, 2011 | 2005 Ford Crown Victoria

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P1633 OBD II code 2001 Mercury Sable Wagon

p1633 is keep alive power voltage to low!! check voltage from alternator to battery, as well as all wires also.make sure battery terminals are not corroded. when car is running, voltage to battery should be 13.5 to14.5, when off voltage at battery should be 12.0 to 12.6,

Jun 08, 2009 | 1997 Mercury Sable

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