Acura P1786: A/T FAS Signal Circuit Malfunction
Is your scanner showing Acura P1786?
No worries. We'll show you what it means and how to deal with it.
Acura P1786: A/T FAS Signal Circuit Malfunction
OVERVIEWWhat Does The Acura P1786 Code Mean?
This code indicates the condition that key on or engine running; and the PCM detected an unexpected voltage condition on the A/T FAS signal circuit to the TCM.
What Are The Potential Causes Of The Acura P1786 Code?
Below are some potential causes of this DTC:
- A/T FAS signal circuit to the TCM is open
- A/T FAS signal circuit to the TCM is shorted to ground
- A/T FAS signal circuit to the TCM is shorted to VREF
- 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:
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Acura Engine Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Acura P1786, DTCDECODE.
