AutoCodes – Lexus – P0985 Lexus

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

Quick Answer

Shifting from 1st to 5th is performed in combination with â€ONâ€ and â€OFFâ€ 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 Lexus 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 7,112

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 11, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0985 Lexus Description

Shifting from 1st to 5th is performed in combination with â€ONâ€ and â€OFFâ€ 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 Lexus - Shift Solenoid 'E' Control Circuit Low - AutoCodes.com — P0985 Lexus Code - Shift Solenoid 'E' Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC P0985 Lexus?

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 Lexus?

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 Lexus 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 P0985 Lexus code?

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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.