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P083C OBD2: Transmission Fluid Pressure Sensor/Switch "G" Circuit Low

P083C OBD2: Transmission Fluid Pressure Sensor/Switch “G” Circuit Low

The P083C OBD-II code indicates a problem with the Transmission Fluid Pressure Sensor/Switch “G” Circuit, which is crucial for the proper functioning of your vehicle’s transmission system.

What Does the P083C Code Mean?

The P083C code is triggered when the Transmission Control Module (TCM) detects that the signal from the Transmission Fluid Pressure Sensor is lower than expected. This sensor plays a vital role in monitoring the fluid pressure within the transmission, informing the TCM of any irregularities.

What Causes the P083C Code?

Several factors can lead to the P083C code being set, including:

  • Transmission Control Module (TCM) failure
  • Low transmission fluid level
  • Transmission fluid pressure sensor failure
  • Wiring issues affecting the sensor’s signal

What Are the Symptoms of the P083C Code?

When the P083C code is present, you may notice the following symptoms:

  • Transmission may not shift properly
  • Increased fuel consumption

How Serious Is the P083C Code?

The P083C code is considered urgent, as it can lead to significant transmission problems if not addressed promptly. Driving with this code can result in severe damage to the transmission system and pose safety risks for the driver and passengers.

How to Diagnose the P083C Code

To accurately diagnose the P083C code, mechanics typically follow these steps:

  • Use an OBD-II scanner to confirm the P083C code.
  • Inspect the transmission fluid level and condition.
  • Check for any wiring or connector issues related to the transmission fluid pressure sensor.
  • Test the functionality of the Transmission Fluid Pressure Sensor.
  • Evaluate the Transmission Control Module for faults.

Common Repairs for the P083C Code

Common repairs for the P083C code may include:

  • Replacing the faulty Transmission Fluid Pressure Sensor
  • Repairing or replacing damaged wiring or connectors
  • Refilling or changing the transmission fluid
  • Replacing the Transmission Control Module (if faulty)

How Much Does It Cost to Fix the P083C Code?

The cost to repair the P083C code can vary significantly based on the underlying issue. On average, repairs can range from $150 to $1,500, depending on whether you need to replace sensors, wiring, or the TCM.

Can I Fix the P083C Code Myself?

While some DIY enthusiasts may be able to handle minor issues such as checking fluid levels or replacing a sensor, diagnosing and fixing transmission-related codes like P083C can be complex. It’s often best to consult a professional mechanic to ensure accurate diagnosis and repair.

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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