AutoCodes – Toyota – C2301 Toyota

C2301 Toyota Code - Shift Changing Time Malfunction

Quick Answer

The Transmission Control ECU receives a P position switch signal from the power management control ECU (HV CPU) and then activates the shift control actuator. Common causes include Faulty Shift Control Actuator, Faulty Transmission Control ECU Assembly, Faulty Hybrid Vehicle Transaxle Assembly. 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: C2301 Toyota indicates Shift Changing Time Malfunction.
Common causes: Common causes include Faulty Shift Control Actuator, Faulty Transmission Control ECU Assembly, Faulty Hybrid Vehicle Transaxle Assembly.
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 2,638

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 Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C2301 Toyota Description

The Transmission Control ECU receives a P position switch signal from the power management control ECU (HV CPU) and then activates the shift control actuator. At the same time, the Transmission Control ECU detects the length of time it takes for the parking lock mechanism to switch. The Transmission Control ECU outputs this Diagnostic Trouble Code (DTC) when this length of time is longer than specification.

OBDII Code C2301 Toyota - Shift Changing Time Malfunction - AutoCodes.com — C2301 Toyota Code - Shift Changing Time Malfunction

What does this mean?

What are the Possible Causes of the DTC C2301 Toyota?

Faulty Shift Control Actuator
Faulty Transmission Control ECU Assembly
Faulty Hybrid Vehicle Transaxle Assembly
Faulty Auxiliary Battery

How to Fix the DTC C2301 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 C2301 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 C2301 Toyota code?

Need more information on how to fix the C2301 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C2301 Toyota code diagnosed by a professional: Find a repair shop in your area

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 C2301 Toyota Code

1. What are the common symptoms of OBDII code C2301 Toyota Shift Changing Time Malfunction?

- Common symptoms include delayed shifting, rough shifting between gears, and the transmission not shifting at the appropriate times.

2. What are the possible causes of OBDII code C2301 in a Toyota?

- The code C2301 Shift Changing Time Malfunction in a Toyota can be caused by faulty shift solenoids, low transmission fluid levels, or issues with the transmission control module.

3. How can I diagnose OBDII code C2301 in my Toyota?

- Diagnosing OBDII code C2301 involves using a scan tool to retrieve the code, checking the transmission fluid level and condition, inspecting the shift solenoids, and testing the transmission control module.

4. What are the repair options for OBDII code C2301 Shift Changing Time Malfunction?

- Repair options may include replacing faulty shift solenoids, addressing any transmission fluid leaks, performing a transmission fluid flush and filter change, or reprogramming the transmission control module.

5. Can driving with OBDII code C2301 Shift Changing Time Malfunction cause further damage to my Toyota?

- Continuing to drive with OBDII code C2301 can potentially cause damage to the transmission components over time due to improper shifting and increased wear and tear.

6. How much does it typically cost to repair OBDII code C2301 in a Toyota?

- The cost of repairing OBDII code C2301 can vary depending on the specific issue causing the malfunction, but it may range from a few hundred to over a thousand dollars, including parts and labor.

7. Is it safe to continue driving my Toyota with OBDII code C2301 Shift Changing Time Malfunction?

- It is not recommended to drive your Toyota with OBDII code C2301 unresolved, as it can lead to further transmission problems and potentially unsafe driving conditions.

8. Can I reset OBDII code C2301 in my Toyota without addressing the underlying issue?

- While you can reset the code using a scan tool, it is important to address the underlying issue causing OBDII code C2301 to prevent further damage to your vehicle's transmission.

9. How long does it typically take to repair OBDII code C2301 Shift Changing Time Malfunction in a Toyota?

- The repair time for OBDII code C2301 can vary depending on the specific problem, but it may take a few hours to a full day for diagnosis and repair.

10. Are there any preventative maintenance tips to avoid OBDII code C2301 in my Toyota?

- To help prevent OBDII code C2301, it is recommended to maintain regular transmission fluid changes, address any transmission issues promptly, and follow the manufacturer's recommended maintenance schedule.