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Awesomebang

Durametric Current Fault Codes

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Just bought 03' 996 X50 the car has Kenwood radio system. Use durametric did a short test on all modules. They are 2 fault codes I am not sure what does mean. does anyone know why and how can I fix them ?

Instrument Cluster K21

9114: PCM control unit

Automatic Air Conditioning H01

38: PCM CAN timeout fault

Thank you for the help!

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Just bought 03' 996 X50 the car has Kenwood radio system. Use durametric did a short test on all modules. They are 2 fault codes I am not sure what does mean. does anyone know why and how can I fix them ?

Instrument Cluster K21

9114: PCM control unit

Automatic Air Conditioning H01

38: PCM CAN timeout fault

Thank you for the help!

Both of these codes can be thrown because the factory radio and /or PCM were removed and the MOST bus was not reset to reflect their absence.

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This is a very old thread, but then again, I have an old car!  Exact same problem as Awesomebang described all the way down to the brand of the after market radio!  I am convinced that the codes being displayed are related to the swap out of the radio, but the question is how to resolve this.  JFP in PA says the MOST bus needs to be reset to reflect the change... how is that accomplished?

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You'll need access to a PST2 or PIWIS to reprogram the new equipment.  Many independents have these or of course the Porsche dealerships...cost to do this may vary.

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Ok.  The only reason that I am aware that the codes are there, is that I purchased a OBDII device to shut off an airbag alert from when I repaired my window lifter and took out the airbag without knowing the consequences.  After I cleared the code for that, I checked on everything else.  I assume that the alarm code saying the radio was not found can safely be ignored.  The instrument cluster seemed superfluous too since the instrument cluster has shown no problems (the radio was swapped out years ago).

 

The two that I wonder about are the PCM control unit and the automatic air con.  I don't know why they would be on the MOST bus so I don't know why removing the stock radio would be an issue.  Can anyone state whether these codes can safely be ignored?  ...and I guess, it would be interesting to know why they would be connected to the radio circuitry.  The car does not seem to affected by these codes, so I my thinking is ignore all of these, but the anal side of me wants everything cleared.

 

Thanks for the insight!

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Thanks Loren.  My guess is that MOST programming is something only available with dealer specific tools ( PIWIS, etc) or is that something that can be accessed by a shade tree mechanic  Calling myself a mechanic, shade tree or not is being generous!; mechanical tinkerer is probably more accurate, but I do enjoy working through issues like these.  Thanks again for everyone's help.

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