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Keep alive p0603 - 2001 Lincoln Town Car

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04 ford 350 scancode P0603


I think this indicates the PCM has failed, but you can read about it at the provide link. P0603 Internal Control Module Keep Alive Memory KAM Erroreval ez write tag...

Jul 28, 2017 | Ford Cars & Trucks

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1998 oldsmobile aurora. Cause P0603


code P0603 Internal Control Module Keep Alive Memory (KAM) Error.
means that you have disconnected the pcm from the battery. you get that code if you just disconnect your battery.

Sep 23, 2014 | 1998 Oldsmobile Aurora

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Trouble shooting P0603 for 98 aurora is this why


Code P0603 means that the PCM's Keep Alive Memory (KAM) self test is failing. This is a routine self test that is performed periodically through out the day. This is critical because the PCM's Keep Alive Memory Modules store all of the PCM's adaptive calculations that need to be 'kept alive' or saved when the vehicle isn't operating. If this part of the PCM's functionality is unreliable, the powertrain's main computer can't be trusted to accurately do its job and may need to be replaced.

Sep 23, 2014 | 1998 Oldsmobile Aurora

1 Answer

Citreon xara picasso in limp mode code p0603


Internal control module keep alive memory faulty

which will give symptoms of
external problem like
power owner supply lose

Jun 14, 2014 | 2001 Citroen Xsara

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

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

DTC Code P0603 and P0231, 7.3 Powerstroke diesel. What do they indicate?


P0231- fuel pump secondary circuit low
P0603- power train control module keep alive memory (KAM).

Dec 17, 2009 | 2003 Ford F350 Super Duty DRW SuperCab

1 Answer

96 aurora P0603 and P0300 codes


The battery must have been disconnected at some time to set po603 keep alive memory. You will need a scan tool to reset computer.

May 23, 2009 | 1996 Oldsmobile Aurora

1 Answer

REPLACED STEERING COLUM


You May need to Use The Old Ignition Lock & Key ,Due to the Chip In the Key.


Circuit Description

The PCM has a memory area where it stores certain data it needs to save when the key is turned OFF. This area is called Keep Alive Memory. This diagnostic test monitors the PCM's keep alive memory for a loss or unintended change of data. If such a condition occurs, DTC P0603 will set.

Conditions for Setting the DTC

Test Condition


Test continuously.

Failure Condition

Keep alive memory checksum does not match previous checksum.

Action Taken When the DTC Sets

  • Clear all keep alive memory locations.
  • The Malfunction Indicator Lamp (MIL) will not illuminate.
  • No message will be displayed.
Conditions for Clearing the DTC

  • A History DTC will clear after forty consecutive warm-up cycles with no failures of any non-emission related diagnostic test.
  • A Last Test Failed (current) DTC will clear when the diagnostic runs and does not fail.
  • PCM battery voltage is interrupted.
  • Using a Scan tool.
Diagnostic Aids

If the battery has been disconnected for any reason DTC P0603 will set. The PCM keeps a running check on the memory; if memory changes it resets. An intermittent loss of power or ground to the PCM will cause a reset.

Jan 25, 2009 | 1996 Oldsmobile Aurora

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