AutoCodesScion – P0985 Scion

P0985 Scion Code - Shift Solenoid 'E' Control Circuit Low

Quick Answer

Shifting from 1st to 5th is performed in combination with ”ON” and ”OFF” operation of the shift solenoid valves SL1, SL2, SL3, S4 and SR which is controlled by the Engine Control Module (ECM). Common causes include Faulty pressure control solenoid valve 'E', Pressure control solenoid valve 'E' harness is open or shorted, Pressure control solenoid valve 'E' 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
P0985 Scion indicates Shift Solenoid 'E' Control Circuit Low.
Common causes
Common causes include Faulty pressure control solenoid valve 'E', Pressure control solenoid valve 'E' harness is open or shorted, Pressure control solenoid valve 'E' 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 2,405
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 11, 2019
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Code P0985 Scion Description

Shifting from 1st to 5th is performed in combination with ”ON” and ”OFF” operation of the shift solenoid valves SL1, SL2, SL3, S4 and SR which is controlled by the Engine Control Module (ECM). If an open or short circuit occurs in either of the shift solenoid valves, the ECM controls the remaining normal shift solenoid valve to allow the vehicle to be operated smoothly (Fail safe function).
OBDII Code P0985 Scion - Shift Solenoid 'E' Control Circuit Low - AutoCodes.com
P0985 Scion Code - Shift Solenoid 'E' Control Circuit Low

What are the Possible Causes of the DTC P0985 Scion?

  • Faulty pressure control solenoid valve 'E'
  • Pressure control solenoid valve 'E' harness is open or shorted
  • Pressure control solenoid valve 'E' circuit poor electrical connection
  • Faulty Engine Control Module (ECM)
  • Low transmission fluid level
  • Dirty transmission fluid

How to Fix the DTC P0985 Scion?

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 P0985 Scion 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.

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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 P0985 Scion Code

1. What are common symptoms of OBDII code P0985 in a Scion related to the Shift Solenoid 'E' Control Circuit Low?

- Common symptoms include harsh shifting, delayed shifting, transmission not shifting into certain gears, and the transmission staying in limp mode.

2. What are some possible causes of OBDII code P0985 in a Scion?

- Potential causes include a faulty shift solenoid 'E', damaged wiring or connectors in the control circuit, low transmission fluid level, or a malfunctioning transmission control module.

3. How can I diagnose the Shift Solenoid 'E' Control Circuit Low issue in my Scion?

- Proper diagnosis involves using a scan tool to retrieve the OBDII code, inspecting the shift solenoid 'E' and its wiring for damage, checking the transmission fluid level, and testing the transmission control module for functionality.

4. Can I drive my Scion with OBDII code P0985 present?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the transmission and potentially leave you stranded on the road.

5. What are the repair options for fixing OBDII code P0985 in a Scion?

- Repair options include replacing the faulty shift solenoid 'E', repairing or replacing damaged wiring or connectors, ensuring the transmission fluid level is correct, and reprogramming or replacing the transmission control module if necessary.

6. How much does it typically cost to repair OBDII code P0985 in a Scion?

- The cost of repair can vary depending on the specific issue causing the code, but it can range from $200 to $600 for parts and labor.

7. Are there any preventive maintenance tips to avoid OBDII code P0985 in a Scion?

- Regularly checking and changing the transmission fluid, addressing any transmission issues promptly, and avoiding harsh driving habits can help prevent issues like OBDII code P0985.

8. Can a DIY enthusiast fix OBDII code P0985 in a Scion?

- Depending on the skill level and knowledge of the individual, some DIY enthusiasts may be able to diagnose and repair OBDII code P0985, especially if it involves simple tasks like checking wiring connections or replacing the shift solenoid.

9. Will resetting the OBDII code P0985 in a Scion make it go away permanently?

- Simply resetting the code without addressing the underlying issue will not fix the problem permanently. It is essential to diagnose and repair the root cause of the code to prevent it from reoccurring.

10. Is it safe to continue driving my Scion if the transmission is not shifting properly due to OBDII code P0985?

- It is not safe to continue driving the vehicle if the transmission is not functioning correctly, as it can lead to further damage and safety hazards. It is recommended to have the issue addressed by a professional as soon as possible.

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