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Has a inner control module kam error won't run for long have to reset computer to restart

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What would cause it to die when I turn on A/C or heater?


Start by checking power an grounds at the control panel ,you'll have to take the plastic trim panel off to get the control panel out . You could have a bad HVAC panel ,
HVAC Control Module
The HVAC control module is a class 2 device that interfaces between the operator and the HVAC system to maintain air temperature and distribution settings. The battery positive voltage circuit provides power that the control module uses for keep alive memory (KAM). If the battery positive voltage circuit loses power, all HVAC DTCs and settings will be erased from KAM. The body control module (BCM), which is the vehicle mode master, provides a device on signal. The control module supports the following features:

Dec 17, 2015 | 2004 Chevrolet TrailBlazer

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

1 Answer

1997 cadillac deville wont accelerate past 15- 20 mph here are the codes i pulled DTC P0603 Control Module Long Term Memory Reset DTC B1552 Keep Alive Memory (KAM) Error DTC B1341 Air Mix Door Two...


P0603 - GM Type Powertrain - Computer and Auxiliary Outputs - ISO/SAE Controlled Description Control Module Long Term Memory Reset Conditions
Cause DTC P0604 not set, key on, then the PCM determined that its calculated checksum that did not match a previous checksum • Refer to code repair chart for instructions on how to replace a PCM and how to reprogram the replacement
or you can ask the 24 hrs live technical support obd2 bmw icom, they will like to help you, good luck

Aug 28, 2013 | 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

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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

F350 7.3 code po603 need to know how bad or way


P0603 Internal Control Module Keep Alive Memory (KAM) Error

Ford dealer Tech said to check for corrosion on the battery terminals, if
they’re good the check each battery individually to see if all cells are good.
If that still doesn’t solve it, he says to start pin testing the computer ????!!!??

P0603 doesn’t always mean you have a problem, if you are running any kind
of chip, programmer ,etc. you will get that code.

Jan 07, 2010 | 2001 Ford F350 Super Duty SuperCab

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

1 Answer

What does trouble code PO 603 mean for a 2007 Mitsubishi Eclipse GT?


P0603 Internal Control Module Keep Alive Memory (KAM) Error. This code occurs if you've altered your computer from stock settings

Sep 09, 2009 | 2007 Mitsubishi Eclipse Spyder GT...

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