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Re: 1991 Caravan Speedo Code 15 from U-NO-Where
Posted to Technical Discussion Forum on 3/23/2004 3 Replies

Have you tried programming the "pinion factor". Even if the trans has good input and output sensor readings, and the VSS is working, if the TCM factor for gear ratio and tire size isn't there, the BCM can't tell the cluster what to read.

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