P0980 - Shift Solenoid "C" Control Circuit High

P0980 – OBD-II Trouble Code Technical Description

Shift Solenoid "C" Control Circuit High

What does the fault code mean P0980?

Trouble code P0980 indicates a control problem with the “E” solenoid in the transmission torque converter. More precisely, the P0980 code stands for “Shift Solenoid “E” Control Circuit High” (a high signal level in the solenoid E control circuit for adjusting the pressure in the torque converter).

This code indicates that the signal in the electrical circuit that controls solenoid E is higher than expected. This can lead to problems with transmission pressure regulation, which in turn can cause various transmission problems.

Possible reasons

Some possible causes of the P0980 code include:

1. Solenoid E fault: Problems with the solenoid valve itself, such as a short circuit or open circuit.
2. Problems with wiring and connectors: Damage, corrosion or breaks in the electrical circuit connecting the transmission controller and solenoid E.
3. Transmission controller problems: There is a malfunction in the transmission controller that controls the operation of solenoid E.
4. Low voltage in the electrical circuit: This may be caused by problems with the battery, alternator, or other parts of the electrical system.
5. Sensor malfunction: Problems with sensors responsible for monitoring pressure or position inside the transmission torque converter.

Accurate diagnosis requires the use of specialized tools and equipment. If your check engine light is flashing and you notice abnormalities in your transmission, it is recommended that you take it to a professional mechanic to identify and fix the problem.

What are the symptoms of a fault code? P0980?

Symptoms for trouble code P0980 (Shift Solenoid “E” Control Circuit High) can vary depending on the specific problem with the E solenoid control system. Here are some possible symptoms:

1. Gearshift problems: One of the most common symptoms is incorrect or delayed gear shifting. This may include shifting jerks, shift delays, or other transmission anomalies.
2. Unusual sounds: Problems with the E solenoid can cause unusual noises in the transmission, such as knocking, squeaking, or humming.
3. Errors in engine operation: A high signal level in the E solenoid control circuit can cause the transmission to malfunction, which in turn can affect engine performance. This may include additional loads, changes in idle speed, or even engine errors.
4. Check Engine Light: An illuminated Check Engine light on your dashboard is a typical sign of a problem with the electronic engine and transmission control system. Code P0980 will be stored in the control module memory.
5. Degraded performance and fuel consumption: Transmission problems can affect the overall performance of the vehicle and lead to increased fuel consumption.

If you notice these symptoms or the Check Engine Light illuminates on your dashboard, it is recommended that you contact a qualified auto mechanic to diagnose and repair the problem.

How to diagnose a fault code P0980?

To diagnose trouble code P0980 (Shift Solenoid “E” Control Circuit High), the following approach is recommended:

1. Scanning error codes: Use a diagnostic scan tool to read error codes in the electronic engine and transmission control system. The P0980 code will indicate a specific problem with the E solenoid control.
2. Visual check of wires and connectors: Carefully inspect the wires and connectors associated with the E solenoid. Check for damage, corrosion, or breaks. Disconnect and check the connectors for signs of poor contact.
3. Resistance measurement: Using a multimeter, measure the resistance in the E solenoid control circuit. The normal resistance may be listed in the service manual for your specific vehicle make and model.
4. Check Solenoid E: Check solenoid E itself for corrosion, breaks or other mechanical damage. If necessary, replace the solenoid.
5. Checking transmission pressure: Use a diagnostic scan tool to monitor transmission pressure while the vehicle is running. High pressure may be due to problems with solenoid E control.
6. Checking sensors and sensors: Check the operation of transmission-related sensors such as position and pressure sensors.
7. Checking the electrical transmission system: Check transmission control system components, such as the transmission controller, for damage or malfunction.
8. Professional diagnostics: If you cannot identify and fix the problem yourself, it is recommended that you contact a professional auto mechanic or service center. They may use more advanced diagnostic methods, such as testing using special equipment.

Please note that diagnosing and repairing transmissions requires certain skills and experience, so if you do not have the relevant experience, it is better to turn to professionals.

Diagnostic errors

When diagnosing trouble code P0980 (Shift Solenoid “E” Control Circuit High), some common errors may occur. Some of them include:

1. Skip visual inspection of wires and connectors: Failure to be careful when visually inspecting wires and connectors may result in missing damage, corrosion, or breaks.
2. Malfunctions of solenoid E itself: If you focus only on the wires and connectors, rather than checking the E solenoid itself, you may miss problems with this device.
3. Insufficient transmission pressure check: High transmission pressure may be due to problems with solenoid E control. Insufficient pressure testing may result in important factors being missed.
4. Ignoring other error codes: It is possible that problems with the electronic transmission system may cause multiple error codes. All codes must be checked thoroughly to fully understand the situation.
5. Unaccounted environmental factors: Electromagnetic interference, moisture, or other external factors can affect electrical components and lead to diagnostic errors.
6. Incorrect interpretation of scanner data: Some mechanics may misinterpret the data from the diagnostic scanner, which can lead to erroneous conclusions.
7. Neglecting to check the transmission electrical system: All components of the transmission electrical system should be inspected, including the transmission controller and other associated sensors.

It is important to perform each step of the transmission system diagnosis carefully and systematically. If you do not have experience in diagnosing transmissions, it is recommended that you contact a professional for a more accurate and reliable diagnosis and repair of the problem.

How serious is the fault code? P0980?

Trouble code P0980 (Shift Solenoid “E” Control Circuit High) indicates problems with the control of the E solenoid in the transmission torque converter. The severity of this code may vary depending on the specific circumstances:

1. Impact on transmission: Problems with solenoid E control can cause the torque converter to malfunction and therefore cause shifting anomalies. This may include jerking, shifting delays, or other problems with transmission performance.
2. Potential transmission damage: Uncontrolled gear changes can cause increased wear and damage to internal transmission components, which in turn may require more expensive repairs.
3. Impact on performance and fuel consumption: Transmission problems can affect your vehicle's performance and affect your fuel economy as the transmission will not operate optimally.
4. Check Engine Light: When the Check Engine light turns on, it indicates a problem with the transmission control system that requires attention and diagnosis.
5. Limitation of vehicle controllability: If there are serious problems with the transmission, the vehicle may not be suitable for safe driving, making this code more serious.

If the Check Engine light illuminates on your dashboard and you notice abnormalities in your transmission, it is recommended that you take it to a professional auto mechanic to diagnose and fix the problem. Faults in the transmission control system can lead to serious consequences, so prompt response is important.

What repair will help eliminate the code? P0980?

Resolving trouble code P0980 (Shift Solenoid “E” Control Circuit High) depends on the specific cause of the problem. Here are a few steps that may help resolve this issue:

1. Solenoid E replacement: If solenoid E is identified as the source of the problem, it should be replaced. This requires certain procedures to be followed depending on the transmission design.
2. Checking and repairing wiring and connectors: Carefully check the wiring and connectors associated with solenoid E. Check for damage, corrosion, or breaks. If problems are found, repair or replace damaged elements.
3. Checking transmission pressure: Measuring transmission pressure can be a key diagnostic tool. Check the pressure in various operating modes of the vehicle. Pressure adjustments or replacement of pressure control parts may be necessary.
4. Replacing the transmission controller: If the problem is with the transmission controller, it may need to be replaced or programmed.
5. Checking sensors and sensors: Check transmission-related sensors such as pressure or position sensors. Replacing faulty sensors may resolve problems.
6. Checking the electrical transmission system: Check the transmission electrical system components, including wiring, connectors, and other components. Repair or replacement of damaged components may be necessary.
7. Professional diagnostics: If you cannot identify and fix the problem yourself, it is recommended that you contact a professional auto mechanic or service center. They can use specialized tools and equipment to make accurate diagnoses and repairs.

Remember that diagnosing and repairing transmissions requires certain skills and experience, so if you do not have the relevant experience, it is better to turn to professionals.

What is P0980 Engine Code [Quick Guide]

P0980 – Brand-specific information

Trouble code P0980 may have similar meanings for different car brands. However, the exact wording may vary slightly depending on the manufacturer. Here are some examples of decryptions for various brands:

1. Ford, Lincoln, Mercury:
   • P0980: Shift Solenoid “E” Control Circuit High
2. Chevrolet, GMC, Cadillac, Buick:
   • P0980: Shift Solenoid “E” Control Circuit High
3. Toyota, Lexus:
   • P0980: Shift Solenoid “E” Control Circuit High
4. Honda, Acura:
   • P0980: Shift Solenoid “E” Control Circuit High
5. Nissan, Infiniti:
   • P0980: Shift Solenoid “E” Control Circuit High
6. Volkswagen, Audi, Porsche:
   • P0980: Shift Solenoid “E” Control Circuit High
7. BMW, Mini:
   • P0980: Shift Solenoid “E” Control Circuit High
8. Mercedes Benz:
   • P0980: Shift Solenoid “E” Control Circuit High
9. Subaru:
   • P0980: Shift Solenoid “E” Control Circuit High
10. Hyundai, Kia:
    • P0980: Shift Solenoid “E” Control Circuit High

These transcripts are of a general nature and may vary slightly depending on the specific model and year of vehicle. For accurate information, it is recommended to refer to the manufacturer's official resources or service manuals.