Question about 2002 Ford F350 Super Duty DRW Reg. Cab

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Check engine light come on and my fastpaq superchip diagnostic says internal com kam error what does this mean its a 2002 7.3 power stroke

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Posted on Oct 03, 2009

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KAM= Keep Alive Memory. has the battery been disconeected? all fuses good? for some reason the computer losing power everytime the truck is shut off. Now internal there may be more to it?

Posted on Oct 03, 2009

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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

Whats code po 343


Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/Loss of Power
- Engine Stall
P0343 Chevrolet Description
The Camshaft Position (CMP) Sensor sensor works in conjunction with a 1X reluctor wheel on the camshaft. The Powertrain Control Module (PCM) provides a 12 volt power supply to the CMP sensor as well as a ground and a signal circuit.
The CMP sensor determines whether a cylinder is on a firing stroke or on an exhaust stroke. As the camshaft rotates, the reluctor wheel interrupts a magnetic field produced by a magnet within the sensor. The sensors internal circuitry detects this and produces a signal which the PCM reads. The PCM uses this 1X signal in combination with the Crankshaft Position sensor 24X signal in order to determine crankshaft position and stroke. This diagnostic for the Camshaft Position sensor tests for a loss of Camshaft Position sensor signal.
Observe that as long as the Crankshaft Position sensor 24X signal is available, the engine will start. The PCM can determine top dead center for all cylinders by using the Crankshaft Position sensor 24X signal alone. The Camshaft Position sensor 1X signal is used by the PCM to determine if the cylinder at top dead center is on the firing stroke, or the exhaust stroke. The system attempts synchronization and looks for an increase in engine speed indicating the engine started. If the PCM does not detect an increase in engine speed, the PCM incorrectly synchronized to the exhaust stroke and will re-sync to the opposite cam position. A slightly longer cranking time may be a symptom of this condition.

Read more: http://engine-codes.com/p0343_chevrolet.html#ixzz31FPYjyRM

Mar 26, 2014 | 2002 Chevrolet Suburban

1 Answer

Loss of communication with the tcm and pcm


The onboard computer, or Powertrain Control Module (PCM),is the brains of the engine control system, so when the brain is not functioning correctly neither is the engine or anything else that the microprocessor controls - which may include the charging system, transmission, various emission controls and communications with other onboard control modules. Once a diagnosis has been made (and we emphasize the word diagnosis), then and only then should the PCM be replaced.
P0600....Serial Communication Link

P0601....Internal Control Module Memory Check Sum Error

P0602....Control Module Programming Error

P0603....Internal Control Module Keep Alive Memory (KAM) Error

P0604....Internal Control Module Random Access Memory (RAM) Error

P0605....Internal Control Module Read Only Memory (ROM) Error

P0606....ECM/PCM Processor

P0607....Control Module Performance

P0608....Control Module VSS Output 'A'

P0609....Control Module VSS Output 'B'

P0610....Control Module Vehicle Options Error

If you see any of these codes when diagnosing the vehicle with a code reader or scan tool, it may mean the PCM has failed and must be replaced. Additional diagnostic tests will usually be necessary to confirm the problem is really the powertrain control module and NOT something else. Refer to the OEM diagnostic charts for what these tests are. Usually it involves checking certain inputs to the PCM to see if it outputs the correct response. No response or an incorrect response usually means the PCM is defective and needs to be replaced.
All too often, technicians tend to blame that which they understand least. If an engine is not running right and the cause is not obvious, they may blame the computer. Throwing parts at a problem in an attempt to solve it may be good for the parts business, but when a customer brings a PCM back because it failed to fix their problem, nobody wins. Warranty returns on complicated and expensive components like powertrain control modules are an ongoing problem that costs everyone money.
UNNECESSARY POWERTRAIN CONTROL MODULE RETURNS. Over 50 percent of PCMs that are returned under warranty (either because the PCM failed to fix a performance problem or because the engine did not run properly after it was installed) have nothing wrong with them! So it is obvious a lot of people are swapping computers to see if a different PCM will fix their problem.
The trouble with returns is if the PCM has been on the car, you have no way of knowing if it is still "good" or not. Somebody may have crossed up some wires, zapped the PCM with too much voltage or who knows what? The computer needs to be tested and verified before it can go back on the shelf and be sold to somebody else.
Unfortunately, there is no easy way of doing that in a parts store. The PCM has to be hooked up to a sophisticated simulator that exercises all of the computer's input and output circuits to make sure it works correctly - which means the PCM has to go back to the supplier, be retested, and if no fault is found, repackaged and put back into stock.
Be warned, though, that many parts stores have a policy of "no returns or refunds on electronic components."

Mar 20, 2014 | 2005 Lincoln Navigator

2 Answers

Changed 08 Ford Fusion battery, check engine light came on.


Disconnecting the vehicle battery can set fault codes in the computer for "INTERNAL MEMORY KEEP ALIVE MEMORY (KAM) ERROR" (code P0603) or "SYSTEM VOLTAGE LOW" (code P0562). These codes do not normally cause the check engine light to come on unless they are "active" codes, meaning that the problem is occuring on THIS ignition cycle.

The check engine light coming on is most likely not related to the battery having been replaced. However, I have seen wierder things! I would recommend scanning your engine computer (OBD codes) and find out which fault codes are present. If there are no codes other than the ones described above, then clear the codes with the scanner and turn the ignition off then restart the engine to see if the light comes back on. If it does, then there is most likely a problem with your battery or battery cables.

If any types of codes other than those mentioned above are present, then each code must be diagnosed to find the cause.

Aug 13, 2011 | Ford Fusion Cars & Trucks

1 Answer

Diagnostic trouble cods - P1249 , P1211 , P0603 WHAT ARE THEY .


P0603 = Internal control module , keep alive memory (KAM) error

P1211 = injection control pressure (ICP) not controllable-pressure above /below desired.

Sorry, but I don't have a code definition for P1249.

Mar 05, 2011 | 2002 Ford F250 Super Duty SuperCab

1 Answer

Recently my check engine light came on and I did a diagnostic to find a P0607 error to appear. The code had read something about a power train control module. I will probably end up taking my car into the...


P0601 Internal Control Module Memory Check Sum Error
P0602 Control Module Programming Error
P0603 Internal Control Module Keep Alive Memory (KAM) Error
P0604 Internal Control Module Random Access Memory (RAM) Error
P0605 Internal Control Module Read Only Memory (ROM) Error
P0606 ECM/PCM Processor
P0607 Control Module Performance
P0608 Control Module VSS Output "A"
P0609 Control Module VSS Output "B"
P0610 Control Module Vehicle Options Error
The p0607 error says Control Module Performance. It has something to do with the Control Module for the powertrain as you indicated. But, you may be able to take your car to a transmission shop to alleviate the problem using a transmission expert.

I don't think that it doesn't have anything to do with the engine, itself, even though it's listed under a driveability related code.

Good luck on this repair.

Jan 14, 2011 | 2002 Dodge Stratus

1 Answer

Internal Control Module Keep Alive Memory (KAM)


P0603 means Internal Control Module Keep Alive Memory (KAM) Error

In other words, that code is set when the PCM loses "keep alive" memory B+.

This code can also be set if the batteries went dead at some point, but mainly it means there is an open circuit detected in the KAM circuit.

On a '97 F-250, check for a 5 amp fuse blown in fuse cavity #2. If the fuse is blown, check for and repair the short-to-ground in circuit #729 (red with white coloured wire).

Good luck dear.

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Jan 24, 2010 | 2004 Honda Accord

1 Answer

P 0603 internal ctrl mod kam error what do I need to do to correrct or fix this


It should clear itself if your batteries are good and the KAM fuse is good. It will reset every time you restart if battery voltage drops below 9 volts or so while engine is cranking. Not a serious error but does mean that adaptive strategies may have been lost.

Oct 24, 2009 | 1999 Ford F250 Regular Cab

1 Answer

P0603 DTC code- internal ctrl mod kam error


"kam" is keep alive memory, which is memory in your powertrain computer that needs to always have battery power to be kept... if your battery has been disconnected, this is what caused this code to be logged. If not, you might want to check for a blown fuse to your control module or a short circuit in the wiring to your module... That is if the code is still active, if the code is a stored code it just means at some point in time the module lost power (battery disconnected, fuse pulled, ...) and now it has worked fine since...

Sep 15, 2009 | 2003 Ford F350 Super Duty DRW SuperCab

2 Answers

Indicator light looks like tire icon just above check engine ligh


low tire pressure...there should be a reset procedure in the manual

Jan 14, 2009 | 2006 Dodge Charger

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