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Engine-Codes – Generic – P1913

P1913 Code - Brake Servo Pressure Sensor Short To Ground

Quick Answer

The diagnostic trouble code P1913 indicates that there is a short to ground in the brake servo pressure sensor circuit. Common causes include Damaged wiring or connectors in the brake servo pressure sensor circuit, Faulty brake servo pressure sensor, Corrosion in the sensor circuit. 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
P1913 indicates Brake Servo Pressure Sensor Short To Ground.
Common causes
Common causes include Damaged wiring or connectors in the brake servo pressure sensor circuit, Faulty brake servo pressure sensor, Corrosion in the sensor circuit.
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.
What is this?
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code P1913 Description

The diagnostic trouble code P1913 indicates that there is a short to ground in the brake servo pressure sensor circuit. The brake servo pressure sensor is responsible for monitoring the pressure within the brake booster, which assists in applying the brakes. When there is a short to ground in this sensor circuit, it can lead to inaccurate pressure readings being sent to the vehicle's electronic control unit (ECU). This can result in issues with brake performance, potentially causing the brakes to feel spongy or unresponsive.

OBDII Code P1913 - Brake Servo Pressure Sensor Short To Ground
P1913 Code - Brake Servo Pressure Sensor Short To Ground

Common Causes of P1913

  1. Damaged wiring or connectors in the brake servo pressure sensor circuit
  2. Faulty brake servo pressure sensor
  3. Corrosion in the sensor circuit
  4. Short to ground in the sensor circuit
  5. Issues with the ECU that are affecting the sensor readings

Symptoms of P1913

  1. Spongy or soft brake pedal
  2. Brake pedal feels hard to press
  3. ABS warning light illuminated on the dashboard
  4. Decreased braking power
  5. Inconsistent brake performance

How to Fix P1913

  1. Begin by conducting a visual inspection of the wiring and connectors in the brake servo pressure sensor circuit to look for any signs of damage or corrosion.
  2. Test the brake servo pressure sensor using a multimeter to determine if it is functioning properly.
  3. Check for any shorts to ground in the sensor circuit by performing a continuity test.
  4. Replace the brake servo pressure sensor if it is found to be faulty.
  5. Clear the diagnostic trouble codes from the ECU and test the vehicle to ensure that the issue has been resolved.

Cost to Fix P1913

The cost of repairing a brake servo pressure sensor short to ground can vary depending on the extent of the issue and the specific components that need to be replaced. In general, the cost of parts for this repair can range from $50 to $200, while labor costs can add an additional $100 to $200. Overall, the total repair costs for this issue may fall within the range of $150 to $400. It is important to note that these estimates are general guidelines, and actual costs may differ based on factors such as location, vehicle make and model, and labor rates at the auto repair shop. It is recommended to obtain quotes from local auto repair shops for a more accurate cost estimate.

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Code P1913 Information for Specific Makes

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 P1913 Code

1. What does the OBDII code P1913 indicate?

The code P1913 indicates that there is a "Brake Servo Pressure Sensor Short To Ground," meaning the pressure sensor in the brake servo is experiencing an electrical short to the ground, disrupting its normal function.

2. What symptoms might I notice if my vehicle has the P1913 code?

Symptoms of the P1913 code can include a brake warning light on the dashboard, changes in brake pedal responsiveness, possible reduction in braking power, and in some cases, an activated ABS light.

3. What are common causes of the P1913 code?

Common causes for the P1913 code include damaged wiring or connectors leading to the brake servo pressure sensor, a faulty brake servo pressure sensor, or issues with the brake servo itself.

4. How can I diagnose the P1913 code?

Diagnosing the P1913 code typically involves using a scan tool to confirm the code, visually inspecting the wiring and connectors for damage, and checking the brake servo pressure sensor and related components for faults using a multimeter.

5. What are the steps to repair or resolve the P1913 code?

Repair steps for the P1913 code include replacing or repairing any damaged wires or connectors, replacing the faulty brake servo pressure sensor, and ensuring that the brake servo is functioning correctly. After repairs, it's important to clear the code from the OBD system and test drive the vehicle to ensure the issue is resolved.

6. Is it safe to drive with the P1913 code activated?

Driving with the P1913 code can be risky as it involves the braking system. If the vehicle shows any signs of impaired braking performance, it should be addressed immediately to ensure safety.

7. Can the P1913 code affect the vehicle's ABS system?

Yes, the P1913 code can potentially affect the ABS system since it involves the brake servo pressure sensor. Malfunctioning in this sensor can lead to incorrect signals being sent to the ABS, affecting its operation.

8. What tools are needed to confirm a P1913 code?

Tools needed to diagnose a P1913 code typically include an OBDII scanner, a digital multimeter, and basic hand tools for inspecting and repairing the electrical connections and components involved.

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