Acura P1677: A/T (TCM) FI Data Line Circuit Malfunction
Is your scanner showing Acura P1677?
No worries. We'll show you what it means and how to deal with it.
Acura P1677: A/T (TCM) FI Data Line Circuit Malfunction
OVERVIEWWhat Does The Acura P1677 Code Mean?
Key on or engine running; and the PCM detected an unexpected voltage condition on the TCM FI Data Line circuit during the test.
What Are The Potential Causes Of The Acura P1677 Code?
- A/T FI data line is open or shorted to 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 P1677, DTCDECODE.
