DTC codes - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 3 (permalink) Old 08-16-2007, 05:48 PM Thread Starter
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DTC codes

I got a DTC code on my reader that says P0603 or Internal control mod kam error what does this mean and what do I do about it....:shrug:
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post #2 of 3 (permalink) Old 08-16-2007, 06:12 PM
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KAM stands for keep alive memory. This means there was a loss of voltage to the PCM on the kam circuit. This can be set when batteries are disconnected or a very low state of charge when cranking over engine to start.

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post #3 of 3 (permalink) Old 08-16-2007, 06:23 PM
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a chip or programmer will cause that code also

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