Lexus P1794: A/T Speed Sensor Ground Circuit Malfunction

Is your scanner showing Lexus P1794?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Lexus P1794: A/T Speed Sensor Ground Circuit Malfunction

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Advanced
Repair Cost
:
$150-$800
Can I Still Drive?
:
No

What Are The Potential Causes Of The Lexus P1794 Code?

  • Extremely low battery (system) voltage
  • TCM “reset” function has just been performed

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
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Lexus Transmission Control Module

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

Reference Sources

Lexus P1794, DTCDECODE.

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