P0793 2015 Toyota RAV4 Code - Intermediate Shaft Speed Sensor 'A'
Quick Answer
This sensor detects the rotation speed of the counter gear which indicates the output speed of the transaxle. Common causes include Faulty Speed sensor NC (Transmission Revolution Sensor), Speed sensor NC harness is open or shorted, Speed sensor NC circuit poor electrical connection. 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
- P0793 2015 Toyota RAV4 indicates Intermediate Shaft Speed Sensor 'A'.
- Common causes
- Common causes include Faulty Speed sensor NC (Transmission Revolution Sensor), Speed sensor NC harness is open or shorted, Speed sensor NC circuit poor electrical connection.
- 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.
Code P0793 2015 Toyota RAV4 Description
The NT terminal of the ECM detects a pulse signal from the speed sensor NT (input RPM). The ECM calculates gear shifts by comparing the signal from speed sensor NT with the signal from speed sensor NC.
While the vehicle is operating in 2nd, 3rd, 4th, or 5th gear with the shift lever in D, if the input shaft speed is less than 300 rpm although the output shaft speed is more than 1000 rpm, the ECM interprets this as a fault, illuminates the MIL and stores the Diagnostic Trouble Code (DTC). P0793 code is detected when the vehicle speed is 25 km/h (15.54 mph) or more, the counter gear speed is less than 300 rpm for 2 sec. or more.
What are the Possible Causes of the DTC P0793 2015 Toyota RAV4?
- Faulty Speed sensor NC (Transmission Revolution Sensor)
- Speed sensor NC harness is open or shorted
- Speed sensor NC circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0793 2015 Toyota RAV4?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0793 2015 Toyota RAV4 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0793 2015 Toyota RAV4 Code
1. What does the OBDII code P0793 mean on a 2015 Toyota RAV4?
P0793 indicates an issue with the Intermediate Shaft Speed Sensor 'A', which monitors the rotational speed of the transmission shaft to help control gear shifting.
2. What are the common symptoms of P0793 in a 2015 Toyota RAV4?
Symptoms include erratic or delayed shifting, reduced fuel efficiency, transmission slipping, and the check engine light turning on.
3. What causes the P0793 code to appear?
Common causes include a faulty intermediate shaft speed sensor, damaged wiring or connectors, transmission fluid contamination, or an issue with the transmission control module (TCM).
4. Can I drive my 2015 Toyota RAV4 with a P0793 code?
It’s not recommended to drive for extended periods with this code, as it can lead to further transmission damage or unsafe driving conditions.
5. How do I diagnose the P0793 code on my Toyota RAV4?
Diagnosis involves checking the sensor’s wiring and connectors, testing the sensor’s resistance, inspecting the transmission fluid, and using a scan tool to monitor the sensor's output.
6. How do I fix the P0793 code on a 2015 Toyota RAV4?
Repairs may include replacing the intermediate shaft speed sensor, repairing damaged wiring, cleaning or replacing contaminated transmission fluid, or addressing issues with the TCM.
7. Where is the Intermediate Shaft Speed Sensor 'A' located on a 2015 Toyota RAV4?
The sensor is typically located on the transmission housing near the intermediate shaft.
8. How much does it cost to fix the P0793 code on a 2015 Toyota RAV4?
The cost can range from $150 to $400, depending on whether the sensor needs replacement or additional repairs are required.
9. Can a transmission fluid flush resolve the P0793 code?
If contaminated or low transmission fluid is the cause, a fluid flush or replacement may resolve the issue, but it’s not a guaranteed fix.
10. Will clearing the P0793 code solve the issue?
Clearing the code may temporarily turn off the check engine light, but the underlying problem must be addressed to prevent the code from returning.
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