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Engine-Codes – Generic – P0928

P0928 Code - Gear Shift Lock Solenoid/Actuator Control Circuit 'A'/Open

Quick Answer

The diagnostic trouble code (DTC) P0928 indicates a problem with the gear shift lock solenoid/actuator control circuit 'A' being open. Common causes include Faulty gear shift lock solenoid/actuator, Damaged wiring or connectors in the control circuit, Blown fuse related to the gear shift lock system. 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
P0928 indicates Gear Shift Lock Solenoid/Actuator Control Circuit 'A'/Open.
Common causes
Common causes include Faulty gear shift lock solenoid/actuator, Damaged wiring or connectors in the control circuit, Blown fuse related to the gear shift lock system.
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 08, 2024
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Code P0928 Description

The diagnostic trouble code (DTC) P0928 indicates a problem with the gear shift lock solenoid/actuator control circuit 'A' being open. This code is typically found in vehicles equipped with an automatic transmission system. The gear shift lock solenoid/actuator is responsible for preventing the gear selector from being shifted out of "P" (Park) without applying the brake pedal. When this solenoid/actuator control circuit is open, it means that there is a malfunction in the electrical circuit that controls the locking mechanism.

OBDII Code P0928 - Gear Shift Lock Solenoid/Actuator Control Circuit 'A'/Open
P0928 Code - Gear Shift Lock Solenoid/Actuator Control Circuit 'A'/Open

Common Causes of P0928

  1. Faulty gear shift lock solenoid/actuator
  2. Damaged wiring or connectors in the control circuit
  3. Blown fuse related to the gear shift lock system
  4. Malfunctioning brake light switch
  5. Electrical issues in the control module

Symptoms of P0928

  1. Inability to shift the gear selector out of Park
  2. Illumination of the "Shift Lock" warning light on the dashboard
  3. Brake lights not functioning properly
  4. Strange noises coming from the gear shift area
  5. Difficulty engaging or disengaging the gear selector

How to Fix P0928

  1. Perform a visual inspection of the gear shift lock solenoid/actuator, wiring, and connectors for any visible damage.
  2. Check and replace any blown fuses related to the gear shift lock system.
  3. Test the brake light switch for proper functionality and replace if necessary.
  4. Use a multimeter to test the continuity of the wiring in the control circuit and repair any open circuits.
  5. If the gear shift lock solenoid/actuator is faulty, replace it with a new unit and recalibrate the system.

Cost to Fix P0928

The typical repair costs for addressing a P0928 code could range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that the diagnosis time and labor rates at auto repair shops can vary significantly, so it's advisable to check with local shops for a more accurate estimate. Keep in mind that rates may be higher in metropolitan areas or at dealerships, while independent shops may offer lower prices.

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Code P0928 Information for Specific Makes

  • P0928 Dodge — Gear Shift Lock Solenoid/Actuator Control Circuit 'A'/Open
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 P0928 Code

1. What are the common symptoms of OBDII code P0928?

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

2. What can cause the Gear Shift Lock Solenoid/Actuator Control Circuit 'A'/Open code P0928?

- Possible causes include a faulty gear shift lock solenoid, damaged wiring or connectors in the circuit, or a blown fuse related to the gear shift lock system.

3. How can I diagnose the issue causing OBDII code P0928?

- A diagnostic scan tool can be used to read the code and pinpoint the specific issue with the gear shift lock solenoid circuit. Additionally, inspecting the wiring and connectors for any visible damage is recommended.

4. Is it safe to continue driving with OBDII code P0928 present?

- It is not recommended to drive with this code present, as it can lead to unsafe driving conditions if the gear shifter becomes stuck or difficult to operate.

5. What are the repair options for resolving OBDII code P0928?

- Repair options may include replacing the gear shift lock solenoid, repairing damaged wiring or connectors, or addressing any blown fuses in the circuit.

6. Can I fix OBDII code P0928 myself, or should I seek professional help?

- Depending on your experience and comfort level with automotive repairs, you may be able to address this issue yourself by following a repair manual or seeking guidance from online resources. However, if you are unsure, it is recommended to seek professional help.

7. Are there any preventive measures to avoid OBDII code P0928 in the future?

- Regularly inspecting the gear shift lock system, keeping an eye out for any signs of wear or damage, and addressing any issues promptly can help prevent the recurrence of this code in the future.

8. Can weather conditions impact the occurrence of OBDII code P0928?

- Extreme weather conditions, such as extreme cold or heat, can potentially affect the performance of the gear shift lock solenoid and contribute to the triggering of this code.

9. Will resetting the OBDII code P0928 resolve the issue temporarily?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the code to appear. It is important to diagnose and address the root cause of the problem.

10. How long does it typically take to repair OBDII code P0928?

- The repair time for this code can vary depending on the specific cause of the issue and the complexity of the repair process. It is advisable to consult a professional mechanic for a more accurate estimate of repair time.

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