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Posted on Jun 30, 2011
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Ford escape 2001 ,engine light on all time and code p1633 came when i did the scan ,how can i fix the problem

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  • Anonymous Mar 13, 2014

    HAD ENGINE CHECKED AND IT GAVE A DEALER CODE OF P1633

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  • Posted on Jul 02, 2011
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P1633 - Keep Alive Power Voltage Too Low Indicates that the Keep Alive Power (KAPWR) circuit has experienced a power interrupt.

  • Open KAPWR circuit
  • Damaged PCM
  • Intermittent KAPWR Circuit

QB1 CHECK BATTERY TERMINALS
    Note: If KAPWR is interrupted to the PCM (that is, when a breakout box is installed or the battery is disconnected), DTC P0603/P1605 can be generated on the first power-up.
  • Inspect the battery cables for loose connections, corrosion.
Are the battery terminal connections in good condition? Yes No KEY OFF. Battery terminals are OK. GO to QB2 . REPAIR battery terminals as necessary. QB2 INSPECT ENGINE COMPARTMENT FOR PROPER WIRE ROUTING
  • Inspect Electronic Engine Control (EC) System wiring for proximity to ignition components or wires.
Is wiring too close to ignition components or wires? Yes No REROUTE as necessary. Engine compartment wire routing is OK. GO to QB3 . QB3 CHECK KEEP ALIVE POWER (KAPWR) TO PCM
    Note: Refer to the PCM connector pin numbers in the beginning of this pinpoint test.
  • Disconnect PCM.
  • Measure voltage between KAPWR circuit at the PCM harness connector and ground.
  • While observing digital multimeter, grasp the Electronic EC harness and wiggle, shake or bend a small section while working from the PCM to the dash panel.
Does the voltage reading indicate less than 10.5 volts? Yes No ISOLATE and REPAIR open circuit. No open in KAPWR harness circuit detected. GO to QB4 . QB4 CHECK FOR REPEAT OF DTC P0603/P1605/P1633
  • Reconnect PCM.
  • Start engine and allow it to reach operating temperature.
  • Run Key On Engine Off Self-Test.
  • Retrieve Continuous Memory DTCs.
Is DTC P0603, P1605 or P1633 present? Yes No REPLACE the PCM. REPAIR other DTCs as necessary. If none, testing is complete.

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Related Questions:

0helpful
1answer

I HAVE FORD ESCAPE HYBRID 2008 CHEK ING ALARM APERD CODE P1633 THANK YOU
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 .
QB: DTCs P0603 or P1633: Keep Alive Power (KAPWR)
Introduction QB: Pinpoint Tests This pinpoint test is intended to diagnose the following:
  • battery terminal condition
  • KAPWR wire routing
  • harness circuit: KAPWR
  • powertrain control module (PCM) (12A650)

Powertrain Control Module (PCM) Connector

For PCM connector views or reference values, refer to Section 6 .


Vehicle Connector Pin Circuit Edge,
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Five Hundred,
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MKX,
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Focus 150 (50-50-50) Pin B45 KAPWR Expedition,
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Milan,
MKZ,
Navigator 140 Pin B54 KAPWR All other vehicles 170 Pin B45 KAPWR
Do you know how to test automotive electrical circuit's using a DMM - digital multi- meter ?
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Apr 22, 2015 • 2005 Ford Escape XLT
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Code p1633
This code means the pcm has detected a low voltage situation on the memory circuit this is a common problem in fords start by disconnecting the battery then with electrical contact cleaner pull the fuses one at a time from the fuse box under the hood clean the contacts coat with dielectric grease and replace them usually it is caused by corrosion of the contacts in this box however I have run across this where the actual wire for the memory itself has corroded to the point where it needs to be replaced from the fuse all the way to the pcm itself
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Code p1633 keeps coming up on check engine light how to fix it
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Read full answer
Sep 04, 2011 • 2005 Ford Taurus
6helpful
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Hi, i have a problem with my ford escape 2001, check engine with code p1633, what are the cause tank you
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.
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Feb 20, 2011 • Ford Escape Cars & Trucks
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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
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Apr 04, 2010 • 2001 Ford Taurus
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I have 2001 Ford Escape and after rain i have problem with its engine. Engine lights goes on and it sounds like one or more cylinder would stop working.
Have it scanned for codes. That will tell you why the light comes on. Autozone will do this for free. What size is the engine?
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Apr 03, 2010 • 2004 Ford Escape
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2001 Ford Escape, engine is misfiring, engine light is on. What could this be?
It would save time and money to have the car scanned ,that would help point you in the right direction , it could be at tune up or a bad /sensor ,/wires/ plugs/ bad alternator / you maybe able to git this done at Auto Zone . they also sell code readers Farly cheap .Hope this helped , feel free to ask if we can be of any further assistance. Thank You.
Read full answer
Mar 30, 2010 • 2001 Ford Escape
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I HAVE FORD ESCAPE HYBRID 2008 CHEK ING ALARM APERD CODE P1633 THANK YOU

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