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Engine-Codes – Toyota – P0791 2006 Toyota Camry

P0791 2006 Toyota Camry Code - Intermediate Shaft Speed Sensor 'A' Circuit

Quick Answer

The OBD-II trouble code P0791 for a 2006 Toyota Camry refers to an issue with the Intermediate Shaft Speed Sensor 'A' Circuit. Common causes include Faulty intermediate shaft speed sensor, Damaged wiring or connectors, Transmission control module 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
P0791 2006 Toyota Camry indicates Intermediate Shaft Speed Sensor 'A' Circuit.
Common causes
Common causes include Faulty intermediate shaft speed sensor, Damaged wiring or connectors, Transmission control module 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code P0791 2006 Toyota Camry Description

The OBD-II trouble code P0791 for a 2006 Toyota Camry refers to an issue with the Intermediate Shaft Speed Sensor 'A' Circuit. This sensor is responsible for monitoring the speed of the intermediate shaft in the transmission. The information gathered by this sensor is crucial for the proper operation of the transmission, as it helps the vehicle's computer system determine the appropriate gear to engage based on the speed of the intermediate shaft.

OBDII Code P0791 2006 Toyota Camry - Intermediate Shaft Speed Sensor 'A' Circuit
P0791 2006 Toyota Camry Code - Intermediate Shaft Speed Sensor 'A' Circuit

Common Causes of P0791 2006 Toyota Camry

  1. Faulty intermediate shaft speed sensor
  2. Damaged wiring or connectors
  3. Transmission control module issues
  4. Low transmission fluid levels
  5. Internal transmission damage

Symptoms of P0791 2006 Toyota Camry

  1. Harsh or delayed shifting
  2. Transmission slipping
  3. Limp mode activation
  4. Check Engine Light illuminated
  5. Decreased fuel efficiency

How to Fix P0791 2006 Toyota Camry

  1. Use a scan tool to verify the P0791 code and monitor the intermediate shaft speed sensor's data.
  2. Inspect the wiring and connectors for any damage or corrosion. Repair or replace as needed.
  3. Test the intermediate shaft speed sensor for proper operation. Replace if faulty.
  4. Clear the trouble code from the vehicle's computer system and test drive to ensure proper transmission operation.
  5. If the issue persists, further diagnosis may be needed to identify any underlying transmission problems.

Cost to Fix P0791 2006 Toyota Camry

The cost of repairing the Intermediate Shaft Speed Sensor 'A' Circuit issue can vary depending on the specific cause of the problem and the labor rates in your area. On average, the cost of parts for this repair can range from $100 to $300, while labor costs can range from $100 to $300 as well. Overall, you can expect to pay between $200 and $600 for this repair. Keep in mind that prices may fluctuate based on the location, vehicle make and model, and the shop you choose to have the repair done. It's recommended to obtain quotes from multiple auto repair shops to ensure you're getting a fair price for the repair.

When is the Code Detected?

P0791 code is detected when the input speed sensor voltage is more than 1.9V or less than 0.1V for 2 seconds 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 P0791 2006 Toyota Camry Code

1. What does the OBDII code P0791 mean on a 2006 Toyota Camry?

P0791 indicates an issue with the Intermediate Shaft Speed Sensor 'A' Circuit, which monitors the rotational speed of the intermediate shaft in the transmission.

2. What are the common symptoms of a P0791 code on a 2006 Toyota Camry?

Symptoms may include erratic shifting, poor acceleration, decreased fuel efficiency, or the transmission going into limp mode. The Check Engine Light will also likely be illuminated.

3. What causes the P0791 code to appear on a 2006 Toyota Camry?

Common causes include a faulty intermediate shaft speed sensor, damaged wiring or connectors in the sensor circuit, transmission fluid issues, or a faulty transmission control module (TCM).

4. Can driving with the P0791 code damage my 2006 Toyota Camry?

Driving with this code may cause additional wear on the transmission due to improper shifting and could lead to more severe transmission issues over time.

5. How do I diagnose the P0791 code on my 2006 Toyota Camry?

Diagnosing this code involves checking the intermediate shaft speed sensor, inspecting the wiring and connectors for damage, verifying the transmission fluid level and condition, and using a scan tool to monitor sensor data.

6. How do I fix the P0791 code on a 2006 Toyota Camry?

Repairs may involve replacing the faulty intermediate shaft speed sensor, repairing or replacing damaged wiring or connectors, changing the transmission fluid, or reprogramming or replacing the TCM.

7. How much does it cost to repair a P0791 code on a 2006 Toyota Camry?

The cost depends on the specific repair needed. Replacing the speed sensor typically costs $100–$250, while addressing wiring issues or TCM problems may be more expensive.

8. Can low or dirty transmission fluid cause the P0791 code?

Yes, low or dirty transmission fluid can affect sensor readings and lead to this code. Checking and replacing the transmission fluid may resolve the issue.

9. Where is the intermediate shaft speed sensor located on a 2006 Toyota Camry?

The intermediate shaft speed sensor is typically located on the transmission housing, near the intermediate shaft, but its exact location can vary depending on the transmission type.

10. Is it safe to replace the intermediate shaft speed sensor myself on a 2006 Toyota Camry?

If you have basic mechanical knowledge and the proper tools, replacing the intermediate shaft speed sensor can be a straightforward task. However, a professional diagnosis is recommended to confirm the root cause.

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