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Home >> Jeep >> 2005 >> Wrangler X, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 492 (Automatic Transmission Diagnostic Procedures) >> Disclaimers, Safety, And Warnings >> Warnings >> Electronic Pinion Factor Warnings (If Applicable)

Electronic Pinion Factor Warnings (If Applicable)

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

The pinion factor must be set when replacing the TCM.

NOTE: The pinion factor is a fixed number and cannot be changed or updated in some vehicle applications. If the pinion factor is not set or incorrectly set, any speed related functions will not operate correctly i.e. speedometer, speed control, rolling door locks, other control modules will be affected that depend on speed information.
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