FIAT P1D8F: Incorrect Gear Ratio Clutch 1 Defective
Is your scanner showing FIAT P1D8F?
No worries. We'll show you what it means and how to deal with it.
FIAT P1D8F: Incorrect Gear Ratio Clutch 1 DefectiveOVERVIEW
What Does The FIAT P1D8F Code Mean?
The Transmission Control Module (TCM) monitors for conditions which lead to an unexpected transmission gear ratio (e.g. slipping clutches, hydraulic or mechanical defects, etc.).
The TCM compares the actual gear ratio (i.e. the ratio of input speed to output speed) to a minimum and maximum calibrated gear ratio value. The TCM performs this comparison while driving in a fixed gear, during gear engagement, and during shifting from one gear to another.
What Are The Potential Causes Of The FIAT P1D8F Code?
Transmission – Internal Components
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Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
FIAT P1D8F, DTCDECODE.