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P0711 OBD2: Transmission Fluid Temperature Sensor "A" Circuit

P0711 OBD2: Transmission Fluid Temperature Sensor “A” Circuit

What Does the P0711 Code Mean?

OBD-II Code P0711 is defined as a Transmission Fluid Temperature Sensor “A” Circuit issue. The Transmission Fluid Temperature Sensor provides the engine control module (PCM) with information about the temperature of the fluid in the transmission. If the PCM detects an incorrect signal from this sensor, it will trigger the P0711 code.

What Causes the P0711 Code?

Several factors can lead to the P0711 code being set, including:

  • Failure of the Transmission Temperature Sensor
  • Issues with the wiring or connectors associated with the sensor
  • Powertrain Control Module (PCM) failure
  • Transmission Control Module (TCM) failure

What Are the Symptoms of the P0711 Code?

Drivers experiencing the P0711 code may notice the following symptoms:

  • Transmission may not shift properly
  • Transmission temperature warning light illuminated on the instrument cluster

How Serious Is the P0711 Code?

The P0711 code is considered urgent, indicating that immediate action is necessary. Failure to address this code can lead to significant malfunctions, potentially causing severe damage to the vehicle or posing risks to the driver and passengers.

How to Diagnose the P0711 Code

Diagnosing the P0711 code typically involves:

  • Using an OBD-II scanner to confirm the presence of the P0711 code
  • Inspecting the Transmission Fluid Temperature Sensor and wiring for damage
  • Checking the PCM and TCM for faults or failures
  • Performing tests to ensure the sensor is working correctly and providing accurate readings

Common Repairs for the P0711 Code

Common repairs to resolve the P0711 code may include:

  • Replacing the Transmission Fluid Temperature Sensor
  • Repairing or replacing damaged wiring and connectors
  • Reprogramming or replacing the PCM or TCM if necessary

How Much Does It Cost to Fix the P0711 Code?

The cost to repair the P0711 code can vary widely depending on the specific issue and make/model of the vehicle. Generally, repairs can range from $100 to $600, including parts and labor.

Can I Fix the P0711 Code Myself?

While some DIY mechanics may be able to address minor issues, such as replacing a sensor or wiring, proper diagnosis is crucial. If you are not experienced with automotive repairs, it’s recommended to seek professional assistance to avoid unnecessary repairs and ensure the problem is accurately diagnosed.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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