Acura P1671: A/T (TCM) FI Data Line No Signal

Is your scanner showing Acura P1671?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Acura P1671: A/T (TCM) FI Data Line No Signal

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$75-$200
Can I Still Drive?
:
Yes

What Does The Acura P1671 Code Mean?

Key on or engine running; and the PCM did not detect any signals on the A/T FI Data Line circuit during the CCM test.

What Are The Potential Causes Of The Acura P1671 Code?

  • A/T FI data line is open
  • A/T FI data line is shorted to sensor ground or chassis ground
  • A/T FI data line is shorted to VREF or system power
  • TCM or 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:

>>> Acura Engine Control Module
>>> Twippo 372Pcs Waterproof Wire Connectors Kit

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

Reference Sources

Acura P1671, DTCDECODE.

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