P0793 2013 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 2013 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 2013 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 2013 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 2013 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 2013 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 2013 Toyota RAV4 Code
1. What does the OBDII code P0793 mean on a 2013 Toyota RAV4?
The code P0793 indicates an issue with the Intermediate Shaft Speed Sensor 'A', which monitors the rotational speed of the transmission's intermediate shaft.
2. What are the common symptoms of a P0793 code?
Symptoms may include erratic shifting, the transmission slipping, reduced fuel efficiency, the Check Engine Light illuminating, or the vehicle entering limp mode.
3. What causes the P0793 code on a 2013 Toyota RAV4?
Possible causes include a faulty intermediate shaft speed sensor, damaged wiring or connectors, transmission fluid contamination, or internal transmission issues.
4. Can I drive my 2013 Toyota RAV4 with a P0793 code?
Driving with a P0793 code is not recommended as it can lead to further damage to the transmission and cause unsafe driving conditions.
5. How do I diagnose a P0793 code on my 2013 RAV4?
Diagnosis involves using a scan tool to confirm the code, inspecting the intermediate shaft speed sensor and its wiring, and checking the transmission fluid condition.
6. How do I fix the P0793 code on my 2013 Toyota RAV4?
Repairs may include replacing the intermediate shaft speed sensor, repairing damaged wiring or connectors, or addressing issues with the transmission fluid or internal components.
7. How much does it cost to fix a P0793 code on a 2013 RAV4?
The repair cost depends on the cause, but replacing the sensor typically ranges between $150 and $300, including parts and labor.
8. Where is the intermediate shaft speed sensor located on a 2013 Toyota RAV4?
The sensor is typically located on the transmission housing near the intermediate shaft.
9. Can a P0793 code be caused by low transmission fluid?
Yes, low or contaminated transmission fluid can cause improper sensor readings and trigger the P0793 code.
10. Will clearing the P0793 code fix the issue?
Clearing the code will remove it temporarily, but the underlying issue must be addressed to prevent the code from returning.
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