Engine-CodesMercury – C1952 Mercury

C1952 Mercury Code - Yaw Rate Sensor Circuit Open

Quick Answer

The C1952 diagnostic trouble code (DTC) for Mercury vehicles indicates that there is an open circuit detected in the yaw rate sensor circuit. Common causes include Damaged or corroded wiring or connectors in the yaw rate sensor circuit, Faulty yaw rate sensor or sensor module, ECM software or programming issues. 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
C1952 Mercury indicates Yaw Rate Sensor Circuit Open.
Common causes
Common causes include Damaged or corroded wiring or connectors in the yaw rate sensor circuit, Faulty yaw rate sensor or sensor module, ECM software or programming issues.
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.
Table of contents Created and updated by William Orellana on Sep 18, 2024
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Code C1952 Mercury Description

The C1952 diagnostic trouble code (DTC) for Mercury vehicles indicates that there is an open circuit detected in the yaw rate sensor circuit. The yaw rate sensor is a crucial component of the vehicle's stability control system, also known as electronic stability control (ESC) or vehicle stability control (VSC). This sensor measures the rate of rotation around the vertical axis of the vehicle, helping to detect and prevent skidding or loss of control during sudden maneuvers or slippery road conditions.

OBDII Code C1952 Mercury - Yaw Rate Sensor Circuit Open
C1952 Mercury Code - Yaw Rate Sensor Circuit Open

Common Causes of C1952 Mercury

  1. Damaged or corroded wiring or connectors in the yaw rate sensor circuit.
  2. Faulty yaw rate sensor or sensor module.
  3. ECM software or programming issues.
  4. Physical damage to the yaw rate sensor due to impact or improper handling.
  5. Electrical system malfunctions or shorts affecting the sensor circuit.

Symptoms of C1952 Mercury

  1. Illumination of the traction control or stability control warning light on the dashboard.
  2. Loss of traction control and stability control functions.
  3. Increased tendency for the vehicle to skid or slide during turns or sudden maneuvers.
  4. Erratic or unpredictable handling characteristics, especially on slippery surfaces.
  5. Possible activation of the vehicle's anti-lock braking system (ABS) due to stability control issues.

How to Fix C1952 Mercury

  1. Begin by conducting a visual inspection of the wiring, connectors, and sensor components for any signs of damage, corrosion, or loose connections.
  2. Use a multimeter to test the continuity of the yaw rate sensor circuit and identify any open circuits or resistance issues.
  3. If necessary, replace the faulty yaw rate sensor or sensor module with a new, OEM-approved component.
  4. Clear the DTC from the vehicle's ECM using a diagnostic scan tool and perform a system reset to recalibrate the stability control system.
  5. Test drive the vehicle to ensure that the stability control functions are operating correctly and that the warning light has been extinguished.

Cost to Fix C1952 Mercury

The typical repair costs for addressing a yaw rate sensor circuit open issue can vary depending on the specific vehicle make and model, as well as the extent of the damage or component replacement required. In general, the cost of replacing a yaw rate sensor or sensor module can range from $200 to $500, including parts and labor. Additional diagnostic and testing fees may apply, with total repair costs potentially reaching $300 to $700 or more.

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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 C1952 Mercury Code

1. What are the common symptoms of OBDII code C1952 in a Mercury related to the Yaw Rate Sensor Circuit Open?

- Common symptoms include the traction control light or stability control warning light illuminating on the dashboard, erratic steering response, and potential loss of stability control features.

2. What could be causing the Yaw Rate Sensor Circuit Open fault code C1952 in a Mercury?

- Possible causes include a malfunctioning yaw rate sensor, damaged wiring or connectors in the sensor circuit, or a faulty electronic control unit (ECU).

3. How can I diagnose the Yaw Rate Sensor Circuit Open issue in my Mercury when OBDII code C1952 is triggered?

- To diagnose the issue, you can use a diagnostic scanner to retrieve the trouble code, visually inspect the wiring and connectors for any damage, and perform a thorough check of the yaw rate sensor functionality.

4. Are there any DIY repair tips for addressing OBDII code C1952 related to the Yaw Rate Sensor Circuit Open in a Mercury?

- DIY repair tips may include checking and repairing any damaged wiring or connectors, resetting the ECU after fixing the issue, and ensuring proper calibration of the yaw rate sensor if necessary.

5. Can driving with the Yaw Rate Sensor Circuit Open fault code C1952 in a Mercury be dangerous?

- Driving with this fault code can be potentially dangerous as it may affect the vehicle's stability control system, leading to compromised handling and safety on the road. It is recommended to address the issue promptly.

6. How much does it typically cost to repair the Yaw Rate Sensor Circuit Open problem causing OBDII code C1952 in a Mercury?

- Repair costs can vary depending on the exact cause of the issue, but it may involve sensor replacement, wiring repairs, or ECU reprogramming. Costs can range from a few hundred to a thousand dollars at a dealership or repair shop.

7. Can resetting the OBDII system clear the Yaw Rate Sensor Circuit Open fault code C1952 in a Mercury?

- Resetting the OBDII system may temporarily clear the fault code, but if the underlying issue causing the code is not addressed, it is likely to reappear. It is crucial to diagnose and fix the root cause of the problem.

8. Is it safe to continue driving my Mercury with the Yaw Rate Sensor Circuit Open fault code C1952 unresolved?

- It is not recommended to drive the vehicle with this fault code unresolved, as it can impact the vehicle's stability control system and potentially compromise safety. It is best to address the issue promptly.

9. How long does it typically take to repair the Yaw Rate Sensor Circuit Open issue causing OBDII code C1952 in a Mercury?

- The repair time can vary depending on the exact cause of the problem and the availability of parts. In general, it may take a few hours to a day for diagnosis and repair at a professional repair facility.

10. Can extreme weather conditions or rough terrain trigger the Yaw Rate Sensor Circuit Open fault code C1952 in a Mercury?

- Extreme weather conditions or rough terrain can potentially exacerbate existing issues related to the yaw rate sensor circuit, leading to the triggering of the fault code C1952. It is important to ensure the system is properly maintained and protected from such conditions.

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