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.

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OBDCodex, Editor

FIAT P1D8F: Incorrect Gear Ratio Clutch 1 Defective

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Advanced
Repair Cost
:
$350-$3000
Can I Still Drive?
:
No

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

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Fiat Engine Control Module

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

FIAT P1D8F, DTCDECODE.

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