Question about Volvo C70

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Check engine light code p1633 - C70 Volvo Cars & Trucks

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  • Anonymous Feb 18, 2010

    p1633 code check engine light on

  • Anonymous Feb 18, 2010

    it is 2000 volvo c70

  • Anonymous Feb 18, 2010

    i have a 2000 volvo c70 check engine light is on with p1633 code

  • Anonymous Feb 18, 2010

    check engine light on p1633 code seedometer does not work

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4 Answers

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Engine fault code P1633 (EOBD type):
Fault location = CAN data bus, ABS (Vehicle Speed Sensor (VSS) signal) - not received in time.
Probable cause = Wiring, CAN data bus, ABS module.

Posted on Feb 18, 2010

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  • Volvo Master
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This fault code indicates a faulty vehicle speed input, in this model that is almost always caused by a defective ABS control unit, the ABS control unit reads the signal from the Vehicle speed sensor, that signal is then used to run the speedometer and other functions like the time to shift into overdrive on the transmission, this could be the speed sensor on the transmission that is causing this but previous experience tells me and other techs input that it is the ABS unit that is the failed part, the ABS can be tested for this fault by the dealer with special scan tools for the system, they can read live data to and from the ABS unit.

Posted on Feb 18, 2010

  • Marvin
    Marvin Feb 18, 2010

    Did u read my solution?, you are not getting a speed sensor signal from the ABS modu;le to the speedometer, the speedometer is electronic, it takes the signal from the speed sensor and that is translated into your speed displayed, this signal comes from the ABS control unit, in the module, so in most cases the ABS control is defective. I guess U don't understand what i said in the 1st post.

  • Marvin
    Marvin Feb 18, 2010

    U have the correct answer, replace the ABS unit, (Antilock Brake System)

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Volvo c70 car code p 1633 (ecm5104) speed signal. is your speedometer working? it may need an attention.

Posted on Feb 18, 2010

  • dj_relly999
    dj_relly999 Feb 18, 2010

    ok thats why you had the code because the speed signal is not working, you need to replace the speedometer cable

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  • Master
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This has to do with the vehicle speed sensor(vss). this is located on the transmission nearest the axles. check for broken wires or a disconnected plug. what year is the car?

Posted on Feb 18, 2010

  • Kori Policy
    Kori Policy Feb 18, 2010

    replace the vehicle speed sensor if the speedometer is not working. that kind of proof positive.

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Posted on Jan 02, 2017

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SOURCE: check engine light on, code p1633 pops up, battery good what now!

check the alternator you should be getting more volts than that..

Posted on Jan 21, 2009

  • 7353 Answers

SOURCE: 2002 mercury sable DOHC check engine light

A flashing light indicates that the engine is misfiring enough to damage the catalytic converter, this needs attention ASAP, otherwise after the misfiring is repaired, you will be buying a new catalytic converter, the damage may have already been done. as for the p1633 has the battery run low and you had to jump it off, or recharge the battery?

Posted on Sep 29, 2009

dttech
  • 4803 Answers

SOURCE: hi, i have a problem

Code P1633 simply means that the Keep Alive Power (KAPWR) circuit to the Engine Control Module has been interrupted. This could be due to a dead battery where you had to jump-start your vehicle or because the battery was disconnected for any reason. If your battery is hooked up and in good condition, the code will clear by itself.

Posted on Feb 20, 2011

  • 14092 Answers

SOURCE: code p1633 keeps coming up

CODE P1633 - PCM KEEP MEMORY VOLTAGE TOO LOW. WHEN YOU SEE THIS CODE THE PCM HAS DETECTED THAT THE KEEP ALIVE MEMORY POWER CIRCUIT TO THE BATTERY WAS INTERRUPTED.

Posted on Sep 04, 2011

  • 5527 Answers

SOURCE: check engine light

Ford code P1633: Keep alve memory voltage low.
It means the voltage going to the computer fell below about 10.5 volts to set the code.
Have you experienced battery problems recently? Or had the battery disconnected?
Things to check for: bad battery, low alternator output, battery cables, and power and ground circuits to computer,
Hope you find it, good luck.

Posted on Dec 03, 2011

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1 Answer

Mercury sable 2002 engine light stay on error code p1633 how do i fix this issue


This has to do with voltage falling too low for "Keep Alive Memory" (or KAM) to the PCM. First check the battery voltage, terminals etc. After that it could be anywhere in the wiring harness. See the link below for add'l help

http://www.taurusclub.com/forum/82-maintenance-repair/113593-p1633-error-code.html

Mar 16, 2016 | 2002 Mercury Sable

1 Answer

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

1 Answer

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

2 Answers

I have a 2003 ford taurus 3.0 engine and everytime i use the ac or heat i blow a fuse and engine light comes on with p1633 code


Put OBD2 P1633 into google for the answer

Only have PO Generic Codes-- the same as you should
find & print out

Sep 15, 2012 | Cars & Trucks

1 Answer

Check engine light


Ford code P1633: Keep alve memory voltage low.
It means the voltage going to the computer fell below about 10.5 volts to set the code.
Have you experienced battery problems recently? Or had the battery disconnected?
Things to check for: bad battery, low alternator output, battery cables, and power and ground circuits to computer,
Hope you find it, good luck.

Dec 02, 2011 | Volvo V70 Cars & Trucks

2 Answers

Code p1633 keeps coming up on check engine light how to fix it


CODE P1633 - PCM KEEP MEMORY VOLTAGE TOO LOW. WHEN YOU SEE THIS CODE THE PCM HAS DETECTED THAT THE KEEP ALIVE MEMORY POWER CIRCUIT TO THE BATTERY WAS INTERRUPTED.

Sep 04, 2011 | 2005 Ford Taurus

1 Answer

THE ENGINE LIGHT IS ON AND I WENT AND GOT IT READ AND THE CODES THAT CAME OUT WAS J1850 AND P1633 AND I HAVE NO IDEA WHAT THIS MEANS


J1850 I a protocol not a code, you can ignore that. The p1633 is just saying that the battery voltage was too low and the computer didn't like it. I would have the battery tested and have someone reset the code.

Jun 27, 2011 | Mercury Sable Cars & Trucks

2 Answers

2002 mercury sable DOHC check engine light


A flashing light indicates that the engine is misfiring enough to damage the catalytic converter, this needs attention ASAP, otherwise after the misfiring is repaired, you will be buying a new catalytic converter, the damage may have already been done. as for the p1633 has the battery run low and you had to jump it off, or recharge the battery?

Sep 29, 2009 | 1997 Mercury Sable

1 Answer

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

1 Answer

Check engine light on, code p1633 pops up, battery good what now!


check the alternator you should be getting more volts than that..

Jan 21, 2009 | 2000 Lincoln LS

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