Engine-CodesHonda – P0712 2021 Honda CR-V

P0712 2021 Honda CR-V Code - Transmission Fluid Temperature Sensor Short Circuit

Quick Answer

The P0712 diagnostic trouble code (DTC) for a 2021 Honda CR-V indicates a Transmission Fluid Temperature Sensor Short Circuit. Common causes include Wiring Issues: Damaged or corroded wiring leading to the transmission fluid temperature sensor can cause a short circuit, Sensor Malfunction: The sensor itself may be faulty and experiencing an internal short circuit, Water Intrusion: Water intrusion into the sensor connector or wiring can lead to a short 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
P0712 2021 Honda CR-V indicates Transmission Fluid Temperature Sensor Short Circuit.
Common causes
Common causes include Wiring Issues: Damaged or corroded wiring leading to the transmission fluid temperature sensor can cause a short circuit, Sensor Malfunction: The sensor itself may be faulty and experiencing an internal short circuit, Water Intrusion: Water intrusion into the sensor connector or wiring can lead to a short 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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0712 2021 Honda CR-V Description

The P0712 diagnostic trouble code (DTC) for a 2021 Honda CR-V indicates a Transmission Fluid Temperature Sensor Short Circuit. This means that the sensor responsible for monitoring the transmission fluid temperature is detecting a short circuit in its electrical circuit. This sensor is crucial for ensuring that the transmission operates within the optimal temperature range. When the sensor detects a short circuit, it may provide inaccurate readings or fail to provide any readings at all, leading to potential issues with the transmission system.

OBDII Code P0712 2021 Honda CR-V - Transmission Fluid Temperature Sensor Short Circuit
P0712 2021 Honda CR-V Code - Transmission Fluid Temperature Sensor Short Circuit

Common Causes of P0712 2021 Honda CR-V

  1. Wiring Issues: Damaged or corroded wiring leading to the transmission fluid temperature sensor can cause a short circuit.
  2. Sensor Malfunction: The sensor itself may be faulty and experiencing an internal short circuit.
  3. Water Intrusion: Water intrusion into the sensor connector or wiring can lead to a short circuit.
  4. Electrical Interference: External electrical interference from nearby components or systems can disrupt the sensor's operation and cause a short circuit.
  5. Overheating: Excessive heat in the transmission system can lead to sensor malfunction and a short circuit.

Symptoms of P0712 2021 Honda CR-V

  1. Check Engine Light: The most common symptom associated with this code is the illumination of the Check Engine Light on the dashboard.
  2. Inaccurate Temperature Readings: The transmission fluid temperature gauge may provide inaccurate readings or fail to display any temperature information.
  3. Transmission Slipping: The transmission may experience slipping or delayed engagement due to incorrect temperature readings.
  4. Harsh Shifting: The transmission may exhibit harsh or erratic shifting behavior as a result of incorrect temperature data.
  5. Reduced Fuel Efficiency: The vehicle may experience reduced fuel efficiency as the transmission operates outside the optimal temperature range.

How to Fix P0712 2021 Honda CR-V

  1. Diagnose the Issue: Use a diagnostic scan tool to retrieve the DTC and confirm the presence of a short circuit in the transmission fluid temperature sensor circuit.
  2. Inspect Wiring and Connector: Check the wiring harness and connector leading to the sensor for any damage, corrosion, or signs of water intrusion.
  3. Test the Sensor: Test the transmission fluid temperature sensor to determine if it is functioning correctly or if it needs replacement.
  4. Replace the Sensor: If the sensor is found to be faulty, replace it with a new sensor following the manufacturer's guidelines.
  5. Clear DTCs and Test Drive: Clear the DTC from the vehicle's computer system, and test drive the vehicle to ensure that the transmission operates within the optimal temperature range without any issues.

Cost to Fix P0712 2021 Honda CR-V

The typical repair costs for addressing a Transmission Fluid Temperature Sensor Short Circuit on a 2021 Honda CR-V can range from $150 to $400, including parts and labor. However, it's essential to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Auto repair shops commonly charge between $80 and $150 per hour for labor, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops. It's recommended to inquire about local rates to get a more accurate estimate for this repair.

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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 P0712 2021 Honda CR-V Code

1. What are the common symptoms of OBDII code P0712 in a 2021 Honda CR-V?

The common symptoms of OBDII code P0712 in a 2021 Honda CR-V may include erratic shifting, transmission overheating, and the transmission going into "limp mode."

2. What causes the Transmission Fluid Temperature Sensor Short Circuit code P0712 in a 2021 Honda CR-V?

The P0712 code in a 2021 Honda CR-V is typically triggered by a short circuit in the transmission fluid temperature sensor or its wiring harness.

3. How can I diagnose the Transmission Fluid Temperature Sensor Short Circuit in my 2021 Honda CR-V?

Diagnosing the P0712 code involves using an OBDII scanner to retrieve the code, checking the transmission fluid level and condition, and inspecting the sensor and its wiring for any visible damage.

4. Can I continue driving my 2021 Honda CR-V with OBDII code P0712?

It is not recommended to continue driving your 2021 Honda CR-V with the P0712 code as it can lead to further damage to the transmission if left unresolved.

5. How can I repair the Transmission Fluid Temperature Sensor Short Circuit in my 2021 Honda CR-V?

To repair the P0712 code, you may need to replace the transmission fluid temperature sensor or repair any damaged wiring or connectors associated with the sensor.

6. Is it possible to reset the OBDII code P0712 in a 2021 Honda CR-V without fixing the issue?

Resetting the P0712 code without addressing the underlying issue will only temporarily clear the code, and it is likely to return once the problem persists.

7. What are the long-term effects of ignoring OBDII code P0712 in a 2021 Honda CR-V?

Ignoring the P0712 code in your 2021 Honda CR-V can lead to serious transmission issues, such as overheating, poor shifting performance, and potential transmission failure.

8. Can a DIY enthusiast fix the Transmission Fluid Temperature Sensor Short Circuit code P0712 in a 2021 Honda CR-V?

While some DIY enthusiasts may have the skills to address the P0712 code, it is recommended to consult a professional mechanic for accurate diagnosis and repair to prevent further damage.

9. How much does it typically cost to repair OBDII code P0712 in a 2021 Honda CR-V?

The cost of repairing the P0712 code in a 2021 Honda CR-V can vary depending on the extent of the damage, but it may range from $200 to $500, including parts and labor.

10. Can regular maintenance help prevent OBDII code P0712 from occurring in my 2021 Honda CR-V?

Regular maintenance, including checking transmission fluid levels and quality, can help prevent issues like the P0712 code from occurring in your 2021 Honda CR-V.

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