Lexus P1793: TCM TRD Link Communication Error

Is your scanner showing Lexus P1793?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Lexus P1793: TCM TRD Link Communication Error

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$50-$300
Can I Still Drive?
:
No

What Are The Potential Causes Of The Lexus P1793 Code?

  • Torque Management Request (TMR) sense circuit is open or is shorted to ground or to voltage
  • PCM or TCM has failed
  • Intermittent wiring and connector problems

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
>>> Engine Control Computer

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

Reference Sources

Lexus P1793, DTCDECODE.

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