AutoCodes – Toyota – C1247 Toyota

C1247 Toyota Code - Malfunction In Stroke Sensor

Quick Answer

The stroke sensor inputs the pedal stroke into the Skid Control ECU. Common causes include Faulty Stroke Sensor, Stroke Sensor harness is open or shorted, Stroke Sensor 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: C1247 Toyota indicates Malfunction In Stroke Sensor.
Common causes: Common causes include Faulty Stroke Sensor, Stroke Sensor harness is open or shorted, Stroke Sensor 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 31,360

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 Aug 30, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code C1247 Toyota Description

The stroke sensor inputs the pedal stroke into the Skid Control ECU. The Skid Control ECU monitors the Stroke Sensor. The Skid Control ECU sets the OBDII code when the Stroke Sensor is not to factory specifications.

OBDII Code C1247 Toyota - Malfunction In Stroke Sensor - AutoCodes.com — C1247 Toyota Code - Malfunction In Stroke Sensor

What does this mean?

What are the Possible Causes of the DTC C1247 Toyota?

Faulty Stroke Sensor
Stroke Sensor harness is open or shorted
Stroke Sensor circuit poor electrical connection
Faulty Skid Control ECU

How to Fix the DTC C1247 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 does this mean?

Code Tech Notes

Some 2004-2009 model year Prius vehicles may exhibit a MIL "ON" and brake warning lights (ABS/VSC) illuminated in the instrument panel with Diagnostic Trouble Code (DTC) C1247 (Stroke Sensor Malfunction) stored in the ABS/VSC Electronic Control Unit (ECU). This DTC may set as a result of an overly sensitive monitoring logic without any other ABS/VSC system issue. If necessary, replace the ABS/VSC ECU with an ECU containing the updated monitoring logic.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1247 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.

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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 C1247 Toyota Code

1. What are the common symptoms of OBDII code C1247 Toyota (Malfunction In Stroke Sensor)?

- Common symptoms include the ABS warning light illuminating on the dashboard, loss of traction control, and potential difficulty braking.

2. What could cause the OBDII code C1247 Toyota to trigger?

- The code may be triggered by a faulty stroke sensor, damaged wiring or connectors, or issues with the ABS hydraulic unit.

3. How can I diagnose the cause of OBDII code C1247 Toyota?

- Diagnosing the issue typically involves using a diagnostic scan tool to read the code, inspecting the stroke sensor and related components, and testing the wiring and connectors for any faults.

4. What are the potential repair options for resolving OBDII code C1247 Toyota?

- Repair options may include replacing the stroke sensor, repairing or replacing damaged wiring or connectors, or addressing any issues with the ABS hydraulic unit.

5. Can I drive my vehicle with OBDII code C1247 Toyota active?

- It is generally not recommended to drive with this code active, as it can affect the proper functioning of the ABS system and traction control, potentially compromising safety.

6. How much does it typically cost to repair OBDII code C1247 Toyota?

- Repair costs can vary depending on the specific issue causing the code, but they may range from $200 to $500 or more, including parts and labor.

7. Is it possible to reset OBDII code C1247 Toyota without making any repairs?

- While clearing the code with a diagnostic scan tool may temporarily turn off the warning light, it is important to address the underlying issue to prevent further problems.

8. Are there any preventive maintenance tips to avoid OBDII code C1247 Toyota?

- Regularly inspecting the ABS system, checking for any signs of wear or damage, and addressing any issues promptly can help prevent the code from triggering.

9. How long does it take to repair OBDII code C1247 Toyota?

- The repair time can vary depending on the specific issue and the expertise of the technician, but it may take a few hours to half a day to complete the repair.

10. Can I fix OBDII code C1247 Toyota myself, or do I need a professional mechanic?

- The complexity of the repair and the need for specialized tools and expertise often make it advisable to seek the help of a professional mechanic to address OBDII code C1247 Toyota effectively.