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Engine-Codes – Toyota – P0873 2006 Toyota Camry

P0873 2006 Toyota Camry Code - Transmission Fluid Pressure Sensor/Switch 'C' Circuit High

Quick Answer

The P0873 diagnostic trouble code (DTC) for a 2006 Toyota Camry indicates a problem with the Transmission Fluid Pressure Sensor/Switch 'C' Circuit being too high. Common causes include Faulty Transmission Fluid Pressure Sensor/Switch 'C', Clogged transmission filter, Malfunctioning transmission pump. 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
P0873 2006 Toyota Camry indicates Transmission Fluid Pressure Sensor/Switch 'C' Circuit High.
Common causes
Common causes include Faulty Transmission Fluid Pressure Sensor/Switch 'C', Clogged transmission filter, Malfunctioning transmission pump.
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 Sep 17, 2024
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Code P0873 2006 Toyota Camry Description

The P0873 diagnostic trouble code (DTC) for a 2006 Toyota Camry indicates a problem with the Transmission Fluid Pressure Sensor/Switch 'C' Circuit being too high. In automatic transmissions, the transmission fluid pressure sensor/switch monitors the hydraulic pressure within the transmission. This information is crucial for the proper operation of the transmission, as it helps control gear shifting, torque converter lockup, and overall transmission performance.

OBDII Code P0873 2006 Toyota Camry - Transmission Fluid Pressure Sensor/Switch 'C' Circuit High
P0873 2006 Toyota Camry Code - Transmission Fluid Pressure Sensor/Switch 'C' Circuit High

Common Causes of P0873 2006 Toyota Camry

  1. Faulty Transmission Fluid Pressure Sensor/Switch 'C'
  2. Clogged transmission filter
  3. Malfunctioning transmission pump
  4. Wiring or electrical issues
  5. Transmission control module failure

Symptoms of P0873 2006 Toyota Camry

  1. Harsh or delayed shifting
  2. Transmission slipping
  3. Transmission overheating
  4. Illuminated Check Engine Light
  5. Reduced fuel efficiency

How to Fix P0873 2006 Toyota Camry

  1. Diagnose the issue by using a scan tool to read the DTC and inspecting the transmission fluid pressure sensor/switch and related components.
  2. Replace the faulty Transmission Fluid Pressure Sensor/Switch 'C' if it is determined to be the cause of the high pressure reading.
  3. Check and replace the transmission filter if it is clogged or dirty.
  4. Inspect the transmission pump for any damage or malfunction and replace if necessary.
  5. Test drive the vehicle to ensure proper transmission operation and clear the DTC.

Cost to Fix P0873 2006 Toyota Camry

The cost of repairing a P0873 code on a 2006 Toyota Camry can vary depending on the specific cause of the issue. In general, the cost of replacing a Transmission Fluid Pressure Sensor/Switch 'C' can range from $150 to $300, including parts and labor. Additional costs may be incurred if other components need to be replaced or if further diagnostics are required. It is recommended to consult with a professional mechanic to get an accurate estimate based on the specific circumstances of your vehicle. Labor rates at auto repair shops typically range from $80 to $150 per hour, but can vary based on location and shop rates.

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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 P0873 2006 Toyota Camry Code

1. What does the OBDII code P0873 mean for a 2006 Toyota Camry?

P0873 indicates a "Transmission Fluid Pressure Sensor/Switch 'C' Circuit High," meaning the powertrain control module (PCM) has detected an abnormally high voltage signal from the transmission fluid pressure sensor 'C'.

2. What are the common symptoms of code P0873 in a 2006 Toyota Camry?

Symptoms may include harsh or delayed shifting, the transmission stuck in a single gear (limp mode), erratic transmission performance, and the illumination of the check engine light.

3. What causes the P0873 code to appear on a 2006 Toyota Camry?

Possible causes include a faulty transmission fluid pressure sensor, damaged or corroded wiring or connectors in the sensor circuit, low or contaminated transmission fluid, or issues with the PCM.

4. How do I diagnose a P0873 code on my 2006 Toyota Camry?

Start by checking the transmission fluid level and condition. Then inspect the wiring and connectors for damage or corrosion. If no issues are found, test the transmission fluid pressure sensor and related circuits with a multimeter.

5. Can I drive my 2006 Toyota Camry with a P0873 code?

Driving with this code is not recommended as it can lead to further transmission damage and unsafe driving conditions due to potential shifting issues.

6. How can I fix the P0873 code on my 2006 Toyota Camry?

Repairs may include replacing the transmission fluid pressure sensor, repairing or replacing damaged wiring or connectors, flushing and refilling the transmission fluid, or reprogramming/updating the PCM.

7. How much does it cost to repair a P0873 code on a 2006 Toyota Camry?

Repair costs vary depending on the issue. Replacing the transmission fluid pressure sensor can cost $150–$300, while wiring repairs may cost less. A full transmission fluid flush typically costs $100–$250.

8. Can low transmission fluid trigger the P0873 code on a 2006 Toyota Camry?

Yes, low or contaminated transmission fluid can affect the operation of the fluid pressure sensor and trigger this code.

9. Is a P0873 code specific to the 2006 Toyota Camry?

No, P0873 is a generic OBDII code that can appear in multiple vehicles, but the exact troubleshooting and repair steps may vary by make and model.

10. Can a faulty PCM cause the P0873 code on a 2006 Toyota Camry?

While rare, a malfunctioning PCM could cause this code if it misinterprets sensor signals or has a software issue. This should be checked after ruling out other causes.

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