Chrysler P1751: A/T Control Relay Circuit Malfunction

Is your scanner showing Chrysler P1751?
No worries. We'll show you what it means and how to deal with it.

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OBD Codex, Administrator

Chrysler P1751: A/T Control Relay Circuit Malfunction

DIY Difficulty Level
Repair Cost
Can I Still Drive?

What Does The Chrysler P1751 Code Mean?

Engine started; and the TCM detected a malfunction in the A/T Control Relay circuit, and then sent a signal to the PCM indicating that the malfunction had occurred.

What Are The Potential Causes Of The Chrysler P1751 Code?

  • A/T control relay circuit is open, shorted to ground or to power
  • A/T control relay power circuit is open (test power to Fused B+)
  • A/T control relay is damaged or has failed
  • PCM has failed

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
>>> Cardone 79-4407 Remanufactured Chrysler Computer (Renewed)

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

Reference Sources

Chrysler P1751, DTCDECODE.

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