AutoCodes – Toyota – C1251 Toyota

C1251 Toyota Code - Open in Pump Motor Circuit

Quick Answer

The ABS Motor Relay (Skid Control ECU Interior Circuit) supplies the power to the ABS Pump Motor. Common causes include Faulty ABS Motor Relay, ABS Motor Relay harness is open or shorted, ABS Motor Relay 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
C1251 Toyota indicates Open in Pump Motor Circuit.
Common causes
Common causes include Faulty ABS Motor Relay, ABS Motor Relay harness is open or shorted, ABS Motor Relay 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 55,115
How popular is this code, among other codes? Medium
Table of contents Created and updated by William Orellana on Aug 30, 2020
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Code C1251 Toyota Description

The ABS Motor Relay (Skid Control ECU Interior Circuit) supplies the power to the ABS Pump Motor. While the ABS is activated, the ECU turns the motor relay ON and operates the ABS pump motor.
OBDII Code C1251 Toyota - Open in Pump Motor Circuit - AutoCodes.com
C1251 Toyota Code - Open in Pump Motor Circuit

What are the Possible Causes of the DTC C1251 Toyota?

  • Faulty ABS Motor Relay
  • ABS Motor Relay harness is open or shorted
  • ABS Motor Relay circuit poor electrical connection
  • Faulty Skid Control ECU

How to Fix the DTC C1251 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 C1251 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 C1251 Toyota code?

Need more information on how to fix the C1251 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1251 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 C1251 Toyota Code

1. What are the common symptoms of OBDII code C1251 in a Toyota related to an open in the pump motor circuit?

The common symptoms include the ABS warning light being illuminated on the dashboard, potential loss of ABS functionality, and unusual braking behavior.

2. What are the typical causes of the C1251 code indicating an open in the pump motor circuit in a Toyota?

Potential causes include damaged wiring or connectors in the pump motor circuit, a faulty ABS pump motor, or issues with the ABS control module.

3. How can I diagnose the source of the open in the pump motor circuit triggering the C1251 code in my Toyota?

You can use a multimeter to test the continuity of the wiring and connectors in the pump motor circuit, inspect for any visible damage, and perform a thorough scan of the ABS system for more specific diagnostic trouble codes.

4. Are there any safety concerns associated with driving a Toyota with the C1251 code related to an open in the pump motor circuit?

Driving with this code may compromise the effectiveness of the ABS system, potentially increasing the risk of skidding or loss of control during emergency braking situations. It is advisable to address the issue promptly.

5. Can I repair the open in the pump motor circuit causing the C1251 code in my Toyota on my own?

If you have the necessary tools, experience, and access to technical information, you may be able to repair the issue yourself. However, it is recommended to consult a professional mechanic for accurate diagnosis and proper repair.

6. What are some general tips for resolving the C1251 code related to an open in the pump motor circuit in a Toyota?

Ensure all electrical connections are secure, inspect for any visible damage to wiring, consider the possibility of a faulty ABS pump motor, and follow manufacturer recommendations for troubleshooting and repair.

7. Is it safe to continue driving my Toyota if the C1251 code indicating an open in the pump motor circuit comes on intermittently?

Intermittent issues can be challenging to diagnose and may worsen over time. It is best to have the vehicle inspected by a qualified technician to prevent potential safety hazards and further damage to the ABS system.

8. How much does it typically cost to repair the open in the pump motor circuit causing the C1251 code in a Toyota?

The cost of repairs can vary depending on the exact cause of the issue, parts needed, labor rates, and your location. It is advisable to obtain estimates from different repair shops to compare prices.

9. Can resetting the OBDII system clear the C1251 code related to an open in the pump motor circuit in a Toyota?

Resetting the system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear. It is important to diagnose and fix the root cause of the problem.

10. How long does it typically take to repair the open in the pump motor circuit triggering the C1251 code in a Toyota?

The repair time can vary depending on the complexity of the issue, availability of parts, and the technician's experience. In some cases, it may be resolved within a few hours, while more involved repairs could take longer.

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