Retrieving errors codes

is there a way to retrieve error codes from a 1999 Trooper that doeas not involve using a scanner?
N

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Don't know but you can always drive by a local AutoZone parts store and they will scan the code for free.
N wrote:

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AFAIK - no
Cheap-ass scanner is like 40$ on ebay, computer interface can be had for <100$
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