Subaru P1596: Automatic Transaxle Diagnosis Input Signal Circuit High Input
Is your scanner showing Subaru P1596?
No worries. We'll show you what it means and how to deal with it.
Subaru P1596: Automatic Transaxle Diagnosis Input Signal Circuit High Input
OVERVIEWWhat Does The Subaru P1596 Code Mean?
Key on or engine running; and the PCM detected an unexpected “high” voltage condition on the A/T Diagnosis Signal circuit (5-volt) during the CCM test.
What Are The Potential Causes Of The Subaru P1596 Code?
- Check harness between ECM and TCM connector
- Check output signal for ECM
- Check poor contact
- Check harness between ECM and TCM connector
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
>>> Automatic Transmission Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
2001 FORESTER SERVICE MANUAL FOR P1596 – Pages 337-338.
