Engine-CodesDodge – P0931 Dodge

P0931 Dodge Code - Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High

Quick Answer

The P0931 diagnostic trouble code for Dodge refers to the Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High. Common causes include Faulty gear shift lock solenoid or actuator: The most common cause of this code is a malfunctioning gear shift lock solenoid or actuator that is not functioning properly, Damaged wiring or connectors: Issues with the wiring harness or connectors that connect the solenoid or actuator to the control module can also trigger this code, Control module failure: A malfunctioning control module that is not sending the correct signals to the solenoid or actuator can lead to this issue. 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
P0931 Dodge indicates Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High.
Common causes
Common causes include Faulty gear shift lock solenoid or actuator: The most common cause of this code is a malfunctioning gear shift lock solenoid or actuator that is not functioning properly, Damaged wiring or connectors: Issues with the wiring harness or connectors that connect the solenoid or actuator to the control module can also trigger this code, Control module failure: A malfunctioning control module that is not sending the correct signals to the solenoid or actuator can lead to this issue.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P0931 Dodge Description

The P0931 diagnostic trouble code for Dodge refers to the Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High. This code indicates that there is a high voltage condition detected in the control circuit of the gear shift lock solenoid or actuator. The gear shift lock solenoid or actuator is responsible for preventing the shifter from being moved out of Park without the key in the ignition and the brake pedal depressed. When this circuit experiences a high voltage condition, it can lead to issues with shifting gears, potentially causing safety concerns and affecting the overall drivability of the vehicle.

OBDII Code P0931 Dodge - Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High
P0931 Dodge Code - Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High

Common Causes of P0931 Dodge

  1. Faulty gear shift lock solenoid or actuator: The most common cause of this code is a malfunctioning gear shift lock solenoid or actuator that is not functioning properly.
  2. Damaged wiring or connectors: Issues with the wiring harness or connectors that connect the solenoid or actuator to the control module can also trigger this code.
  3. Control module failure: A malfunctioning control module that is not sending the correct signals to the solenoid or actuator can lead to this issue.
  4. Electrical issues: Any electrical problems within the circuit, such as a short circuit or high resistance, can cause a high voltage condition and trigger the code.
  5. Mechanical obstruction: A physical obstruction in the gear shift mechanism can also cause issues with the solenoid or actuator, leading to this code.

Symptoms of P0931 Dodge

  1. Inability to shift out of Park: The most common symptom associated with this code is difficulty in shifting the gear lever out of the Park position.
  2. Key stuck in ignition: Another possible symptom is the key getting stuck in the ignition, making it impossible to remove.
  3. Brake lights not working: A malfunctioning gear shift lock solenoid or actuator may also cause the brake lights to not illuminate when the brake pedal is pressed.
  4. Shift indicator not matching actual gear: The gear indicator on the dashboard may not match the actual gear the vehicle is in, leading to confusion for the driver.
  5. Strange noises: In some cases, a malfunctioning gear shift lock solenoid or actuator may produce odd noises when trying to shift gears.

How to Fix P0931 Dodge

  1. Diagnose the issue: Begin by using a scan tool to read the code and identify the specific cause of the high voltage condition in the gear shift lock solenoid or actuator control circuit.
  2. Inspect wiring and connectors: Check the wiring harness and connectors for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the solenoid or actuator: Test the gear shift lock solenoid or actuator to ensure it is functioning properly. Replace if faulty.
  4. Check the control module: Verify that the control module is sending the correct signals to the solenoid or actuator. Replace if needed.
  5. Clear the code: After completing the repairs, clear the diagnostic trouble code from the vehicle's computer to reset the system and ensure the issue has been resolved.

Cost to Fix P0931 Dodge

The typical repair costs for addressing a P0931 code on a Dodge vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. Generally, the cost of replacing a gear shift lock solenoid or actuator can range from $150 to $300, including parts and labor. However, if additional repairs or component replacements are required, the total cost can increase. It is important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer lower prices. For a more accurate estimate, it is recommended to contact local auto repair shops for pricing information specific to your vehicle make and model.

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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 P0931 Dodge Code

1. What are the common symptoms of OBDII code P0931 in a Dodge related to the Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High?

- Common symptoms include difficulty shifting gears, the gear shifter getting stuck, and the inability to move the vehicle out of park.

2. What could cause the Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High issue in a Dodge, triggering code P0931?

- Potential causes can include a faulty gear shift lock solenoid, damaged wiring or connectors in the circuit, or a problem with the actuator control circuit.

3. How serious is the P0931 OBDII code related to the Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High in a Dodge?

- This issue can be serious as it may prevent the vehicle from shifting gears properly, leading to safety concerns and potential drivability issues.

4. Can I continue to drive my Dodge with the P0931 trouble code for Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High?

- It is not recommended to drive the vehicle with this issue as it can compromise your ability to shift gears safely. It is best to address the problem promptly.

5. How can I diagnose and repair the Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High problem in my Dodge with code P0931?

- Diagnosis typically involves checking the gear shift lock solenoid, inspecting the wiring and connectors for damage, and testing the actuator control circuit. Repairs may involve replacing faulty components or repairing wiring issues.

6. Are there any DIY tips for troubleshooting the P0931 OBDII code related to the Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High in a Dodge?

- While some basic checks like inspecting fuses and connectors can be done DIY, diagnosing and repairing the issue may require professional tools and expertise due to the complexity of the system.

7. How much does it cost to fix the Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High fault causing OBDII code P0931 in a Dodge?

- The cost of repair can vary depending on the exact cause of the issue, the extent of the damage, and labor rates. It is advisable to get a diagnostic assessment from a qualified mechanic for an accurate estimate.

8. Can resetting the OBDII system clear the P0931 trouble code related to the Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High in a Dodge?

- Resetting the system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again by the vehicle's onboard diagnostics.

9. Is the Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High issue causing OBDII code P0931 common in Dodge vehicles?

- While this specific issue may not be extremely common, gear shift lock solenoid problems can occur in various Dodge models, especially in older vehicles or those with high mileage.

10. Can a malfunction in the Gear Shift Lock Solenoid/Actuator Control Circuit 'A' High system affect other vehicle functions in a Dodge besides shifting gears?

- Yes, a malfunction in this system can potentially impact other functions like the ability to start the vehicle or engage certain safety features tied to the gear shift mechanism.

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