Subaru P1722: Automatic Transmission Diagnosis Input Signal Circuit High Input
Is your scanner showing Subaru P1722?
No worries. We'll show you what it means and how to deal with it.
Subaru P1722: Automatic Transmission Diagnosis Input Signal Circuit High Input
OVERVIEWWhat Does The Subaru P1722 Code Mean?
Key on or engine running; the PCM detected an unexpected high voltage condition on the data line (5-volt) between the Transmission Control Module (TCM) and the PCM.
What Are The Potential Causes Of The Subaru P1722 Code?
- Check for identification circuit malfunction
- Check harness between ECM and TCM connector
- Check output signal for ECM
- Check poor contact
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
>>> 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
Subaru Impreza Repair Manual for P1722 – Pages 668-670.
