AutoCodes – Toyota – P0980 Toyota

P0980 Toyota Code - Shift Solenoid 'C' Control Circuit High

Quick Answer

The Engine Control Module (ECM) commands gear shifts by turning the shift solenoid valves "ON/OFF". Common causes include Faulty Shift Solenoid 'C', Shift Solenoid 'C' harness is open or shorted, Shift Solenoid 'C' 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: P0980 Toyota indicates Shift Solenoid 'C' Control Circuit High.
Common causes: Common causes include Faulty Shift Solenoid 'C', Shift Solenoid 'C' harness is open or shorted, Shift Solenoid 'C' 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 6,367

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
FAQs
Comments
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Code P0980 Toyota Description

The Engine Control Module (ECM) commands gear shifts by turning the shift solenoid valves "ON/OFF". When there is an open or short circuit in any shift solenoid valve circuit, the ECM detects the problem and illuminates the engine light and stores the Diagnostic Trouble Code (DTC), and the ECM performs the fail-safe function and turns the other shift solenoids valves in good condition "ON/OFF".

OBDII Code P0980 Toyota - Shift Solenoid 'C' Control Circuit High - AutoCodes.com — P0980 Toyota Code - Shift Solenoid 'C' Control Circuit High

What does this mean?

What are the Possible Causes of the DTC P0980 Toyota?

Faulty Shift Solenoid 'C'
Shift Solenoid 'C' harness is open or shorted
Shift Solenoid 'C' circuit poor electrical connection

How to Fix the DTC P0980 Toyota?

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 P0980 Toyota 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 P0980 Toyota code?

Need more information on how to fix the P0980 Toyota code? Get Access to Factory Service Manuals

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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 P0980 Toyota Code

1. What are common symptoms of OBDII code P0980 in a Toyota vehicle?

Common symptoms include harsh shifting, delayed or erratic shifting, transmission slippage, and the transmission being stuck in one gear.

2. What could cause the Shift Solenoid 'C' Control Circuit High error code in a Toyota?

Possible causes include a faulty shift solenoid 'C', damaged wiring or connectors in the circuit, low transmission fluid level, or internal transmission issues.

3. How can I diagnose the Shift Solenoid 'C' Control Circuit High issue in my Toyota?

Diagnosis typically involves using a scan tool to retrieve the OBDII code, conducting a visual inspection of the wiring and connectors, testing the shift solenoid 'C', and checking the transmission fluid level and condition.

4. Can I continue driving my Toyota with the P0980 error code present?

It is not recommended to drive your vehicle with the P0980 code present, as it can lead to further damage to the transmission and potentially leave you stranded on the road.

5. How can I repair the Shift Solenoid 'C' Control Circuit High problem in my Toyota?

Repair options may include replacing the shift solenoid 'C', repairing or replacing damaged wiring or connectors, ensuring the transmission fluid is at the correct level, and addressing any internal transmission issues.

6. Is it necessary to visit a mechanic to fix the P0980 code in my Toyota?

While some DIY enthusiasts may be able to address simpler causes like low fluid levels or damaged connectors, it is generally recommended to have a professional mechanic diagnose and repair more complex transmission issues.

7. Can a Shift Solenoid 'C' Control Circuit High error code be intermittent in a Toyota?

Yes, the error code can sometimes be intermittent, especially if the issue is related to loose wiring or a sporadically malfunctioning shift solenoid 'C'.

8. How long does it typically take to repair the P0980 code in a Toyota?

The repair time can vary depending on the exact cause of the issue. Simple fixes like addressing low fluid levels may take less than an hour, while replacing a faulty shift solenoid or repairing wiring can take several hours.

9. Will resetting the OBDII code make the problem go away permanently?

Resetting the code may temporarily clear the error message, but if the underlying issue causing the P0980 code is not addressed, it is likely to reappear once the problem resurfaces.

10. Is the Shift Solenoid 'C' Control Circuit High error common in Toyota vehicles?

While not extremely common, the P0980 code can occur in Toyota vehicles, particularly in older models or those with high mileage. Regular maintenance and prompt attention to transmission issues can help prevent this code from appearing.