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Scan pulling up Mercedes info

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Why would a scan on my truck 1998.5 dodge 3500 24 valve pull up Mercedes indo

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My simple scanner does that too. When there is a companion module fault the scanner needs to be told what to expect so I have to manually select chrysler then it works ok.

 

I suspect it's because the ISO9141 Protocol which is k-line and L-Line bidirectional comm. The protocol supports multiple ECUs/PCMs on a shared comm bus. The k-line was popular on many European cars at that time.

 

OBDII and computers on cars were not well standardized at that time and many manufacturers winged it.  So there is a lot of unsupported features.

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Thank you!  I'm learning but I'm not there yet!

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Welcome To Mopar1973Man.Com LLC

We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.