check engine light on my way to work
Chapter President
Joined: Nov 2003
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From: Rural Hall, NC
Registered User
Joined: Jul 2006
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From: Los Angeles, CA
Code 1693 means there is a companion code stored in the other module, either the Cummins ECM or the Mopar PCM. You'll need a scan tool, or a trip to the dealer, to pull out the companion code.
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