Chrysler P1731: Incorrect Gear Engaged

Is your scanner showing Chrysler P1731?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Chrysler P1731: Incorrect Gear Engaged

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Advanced
Repair Cost
:
$100-$850
Can I Still Drive?
:
No

What Does The Chrysler P1731 Code Mean?

The Transmission Control Module (TCM) constantly calculates the transmission ratio based on the Input Speed Sensor signal and Output Shaft Speed signal.

This diagnostic will detect if the transmission is trying to mechanically shift into a different gear than what the TCM commanded.

What Are The Potential Causes Of The Chrysler P1731 Code?

  • LOW TRANSMISSION FLUID LEVEL
  • ANTILOCK BRAKE SYSTEM (ABS) DTCS PRESENT
  • TRANSMISSION SOLENOID, SPEED SENSOR, AND/OR OTHER ELECTRICAL RELATED DTCS PRESENT
  • INTERMITTENT STICKING VALVE IN THE VALVE BODY
  • INTERNAL TRANSMISSION PROBLEM
  • TRANSMISSION CONTROL MODULE (TCM)

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
>>> uxcell 5078554AA Transmission Input Output Speed Sensor Replacement
>>> Chrysler Valve Body
>>> Chrysler TCM
>>> Genuine Chrysler Accessories (5013458AA) (68218058AC) ATF+4 Automatic Transmission Fluid

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

Reference Sources

Chrysler P1731, DTCDECODE.

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