P1595 – Subaru OBD-II 1996 & Newer models DTC

Subaru OBD-II 1996 & Newer models DTC P1595 – Automatic transmission diagnosis input signal circuit low input

DTC P1595 meaning on Subaru OBD-II 1996 & Newer models

DTC P1595 indicates a low input signal in the automatic transmission diagnosis circuit on Subaru vehicles compliant with OBD-II standards from 1996 onwards.

Subaru OBD-II 1996 & Newer models DTC P1595 symptoms

  • Check Engine Light (CEL) illuminated on the dashboard
  • Transmission shifting issues
  • Vehicle may go into limp mode

Subaru OBD-II 1996 & Newer models DTC P1595 causes

  • Malfunctioning transmission control module (TCM)
  • Wiring or connector issues in the input signal circuit
  • Faulty input speed sensor

Subaru OBD-II 1996 & Newer models DTC P1595 seriousness

The seriousness of DTC P1595 lies in the potential transmission operation issues it can cause. Ignoring this code may lead to further damage to the transmission system.

How to diagnose DTC P1595 on Subaru OBD-II 1996 & Newer models

  1. Use an OBD-II scanner to retrieve the trouble codes and freeze frame data
  2. Inspect the wiring and connectors in the input signal circuit for any damage or corrosion
  3. Check the input speed sensor for proper operation
  4. Test the TCM for functionality

How to fix DTC P1595 on Subaru OBD-II 1996 & Newer models

  1. Repair or replace any damaged wiring or connectors in the input signal circuit
  2. Replace the input speed sensor if found faulty
  3. If the TCM is malfunctioning, it may need to be reprogrammed or replaced

How to erase DTC P1595 on Subaru OBD-II 1996 & Newer models

  • Use an OBD-II scanner to clear the trouble codes
  • Ensure the underlying issue causing DTC P1595 has been resolved before clearing the code

Recommended tools for Subaru OBD-II 1996 & Newer models diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.