AutoCodes – Subaru – P1595 Subaru

P1595 Subaru Code - Automatic Transmission Diagnosis Input Signal Circuit Low Input

Quick Answer

P1595 Subaru indicates Automatic Transmission Diagnosis Input Signal Circuit Low Input. Common causes include Faulty Transmission Control Module (TCM), TCM harness is open or shorted, TCM circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1595 Subaru indicates Automatic Transmission Diagnosis Input Signal Circuit Low Input.
Common causes: Common causes include Faulty Transmission Control Module (TCM), TCM harness is open or shorted, TCM circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 3,930

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on May 20, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1595 Subaru Description

OBDII Code P1595 Subaru - Automatic Transmission Diagnosis Input Signal Circuit Low Input - AutoCodes.com — P1595 Subaru Code - Automatic Transmission Diagnosis Input Signal Circuit Low Input

What does this mean?

What are the Possible Causes of the DTC P1595 Subaru?

Faulty Transmission Control Module (TCM)
TCM harness is open or shorted
TCM circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P1595 Subaru?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1595 Subaru code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1595 Subaru code?

Need more information on how to fix the P1595 Subaru code? Get Access to Factory Service Manuals

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1595 Subaru Code

1. What are the common symptoms of OBDII code P1595 in a Subaru related to the Automatic Transmission Diagnosis Input Signal Circuit Low Input?

- Common symptoms include issues with shifting gears smoothly, harsh shifting, delayed engagement, and the transmission going into limp mode.

2. What are some possible causes of OBDII code P1595 in a Subaru?

- The code P1595 in a Subaru may be caused by a faulty transmission range sensor, damaged wiring or connectors in the input signal circuit, or a malfunctioning TCM (Transmission Control Module).

3. How can I diagnose the OBDII code P1595 in my Subaru?

- To diagnose the code P1595, you can start by checking the transmission range sensor for proper operation, inspecting the wiring and connectors for damage, and using a diagnostic scanner to read the TCM for any specific error codes.

4. How serious is OBDII code P1595 in a Subaru?

- OBDII code P1595 related to the Automatic Transmission Diagnosis Input Signal Circuit Low Input should be addressed promptly to prevent further damage to the transmission system and ensure safe driving conditions.

5. Can I continue driving my Subaru with OBDII code P1595 present?

- It is not recommended to continue driving your Subaru with OBDII code P1595 present, as it can lead to potential transmission issues and safety concerns. It is best to address the problem as soon as possible.

6. Is it possible to repair OBDII code P1595 in a Subaru on my own?

- Depending on your automotive repair skills and access to tools, you may be able to address the OBDII code P1595 in your Subaru on your own by checking and repairing the transmission range sensor, wiring, or connectors. However, professional help may be required for more complex issues.

7. How much does it typically cost to repair OBDII code P1595 in a Subaru?

- The cost of repairing OBDII code P1595 in a Subaru can vary depending on the root cause of the issue, labor costs in your area, and whether you choose to go to a dealership or an independent mechanic. It is advisable to get multiple quotes for an accurate estimate.

8. Can resetting the OBDII code P1595 in a Subaru solve the issue temporarily?

- Resetting the OBDII code P1595 may temporarily clear the error code, but if the underlying issue such as a faulty transmission range sensor or damaged wiring is not addressed, the code is likely to reappear and cause further problems.

9. How long does it take to repair OBDII code P1595 in a Subaru?

- The time it takes to repair OBDII code P1595 in a Subaru can vary depending on the specific cause of the issue, the availability of parts, and the expertise of the mechanic. It could range from a few hours to a full day or more.

10. What are some preventive maintenance tips to avoid OBDII code P1595 in a Subaru?

- To prevent OBDII code P1595 in a Subaru, it is important to maintain your vehicle regularly, address any transmission-related issues promptly, and avoid rough driving habits that can put unnecessary strain on the transmission system.