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P0983 Toyota Code - Shift Solenoid 'D' Control Circuit High Valve S4

Quick Answer

The P0983 diagnostic trouble code for Toyota vehicles indicates a problem with the Shift Solenoid 'D' Control Circuit High Valve S4. Common causes include Faulty Shift Solenoid 'D', Wiring issues in the control 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
P0983 Toyota indicates Shift Solenoid 'D' Control Circuit High Valve S4 .
Common causes
Common causes include Faulty Shift Solenoid 'D', Wiring issues in the control 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0983 Toyota Description

The P0983 diagnostic trouble code for Toyota vehicles indicates a problem with the Shift Solenoid 'D' Control Circuit High Valve S4. This means that the Engine Control Module (ECM) has detected a high voltage condition in the control circuit of the Shift Solenoid 'D'. The Shift Solenoid 'D' is responsible for controlling the hydraulic pressure in the transmission that is needed to engage the specific gear. When this solenoid malfunctions, it can lead to issues with shifting gears smoothly, causing poor performance and potential damage to the transmission system.

OBDII Code P0983 Toyota - Shift Solenoid 'D' Control Circuit High Valve S4
P0983 Toyota Code - Shift Solenoid 'D' Control Circuit High Valve S4

Common Causes of P0983 Toyota

  1. Faulty Shift Solenoid 'D'
  2. Wiring issues in the control circuit
  3. Poor electrical connection
  4. ECM malfunction
  5. Transmission fluid contamination

Symptoms of P0983 Toyota

  1. Rough or delayed shifting between gears
  2. Transmission slipping
  3. Transmission stuck in a certain gear
  4. Decreased fuel efficiency
  5. Illuminated Check Engine Light

How to Fix P0983 Toyota

  1. Diagnose the issue by using a scan tool to verify the P0983 code and inspect the Shift Solenoid 'D' and its wiring.
  2. Replace the faulty Shift Solenoid 'D' if it is determined to be the cause of the high voltage condition.
  3. Inspect and repair any damaged or corroded wiring in the control circuit.
  4. Clear the code from the ECM and test drive the vehicle to ensure the issue has been resolved.
  5. Monitor the vehicle for any recurrence of the code to confirm the repair was successful.

Cost to Fix P0983 Toyota

The cost of repairing a P0983 code on a Toyota vehicle can vary depending on the specific model and year of the vehicle. In general, the cost of replacing a Shift Solenoid 'D' can range from $150 to $300, while the labor cost for this repair may be between $100 to $200. Overall, the total repair cost for addressing this issue could be around $250 to $500. However, it is important to keep in mind that these are rough estimates, and actual costs may vary based on the factors mentioned earlier. It is recommended to consult with a trusted auto repair shop for a more accurate cost estimate for your specific vehicle.

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Information for Specific Toyota Models

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.

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