Acura P1791: A/T Vehicle Speed Sensor Circuit Malfunction
Is your scanner showing Acura P1791?
No worries. We'll show you what it means and how to deal with it.
Acura P1791: A/T Vehicle Speed Sensor Circuit Malfunction
OVERVIEWWhat Does The Acura P1791 Code Mean?
Vehicle driven for 15 seconds, and the PCM detected an unexpected voltage condition on the vehicle speed signal circuit to the TCM.
Note: The lockup clutch does not engage when this code is set.
Note: The D4 lamp on the dash will flash 4 times if this co
What Are The Potential Causes Of The Acura P1791 Code?
- VSS signal circuit to the TCM is open
- VSS signal circuit is shorted to ground
- VSS signal circuit to the TCM is shorted to VREF
- VSS connector is disconnected or damaged
- 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
>>> Dorman 911-751 Vehicle Speed Sensor
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Acura P1791, DTCDECODE.
