Honda P1391: Acceleration 'G' Sensor Range/Performance
Is your scanner showing Honda P1391?
No worries. We'll show you what it means and how to deal with it.
Honda P1391: Acceleration 'G' Sensor Range/Performance
OVERVIEWWhat Does The Honda P1391 Code Mean?
Engine started, engine running, vehicle speed indicating (0) mph, and the PCM detected the G-Sensor signal was more than 2.5v, or it was less than 1.5v for 1 minute, or with vehicle speed at 30-80 mph, the G-Sensor signal indicated a change of 0.0002v.
What Are The Potential Causes Of The Honda P1391 Code?
- ‘G’ sensor signal circuit is shorted to ground (intermittent fault)
- ‘G’ sensor VREF circuit is open or shorted to ground (this circuit is also connected to the MAP sensor – check the MAP sensor)
- ‘G’ sensor ground circuit is open (an intermittent
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
>>> CrocSee 250 Pieces - Car Fuses Assortment Kit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Honda DTC Codes for P1391 – Page 5.
