P0120 2013 Toyota RAV4 Code - Throttle / Pedal Position Sensor / Switch 'A' Circuit Malfunction
Quick Answer
The throttle position sensor is mounted on the throttle with motor body assembly and detects the opening angle of the throttle valve. Common causes include Faulty Throttle Position Sensor (built into Throttle Body Assembly), Throttle Position Sensor circuit is open or shorted, Throttle Position Sensor 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
- P0120 2013 Toyota RAV4 indicates Throttle / Pedal Position Sensor / Switch 'A' Circuit Malfunction.
- Common causes
- Common causes include Faulty Throttle Position Sensor (built into Throttle Body Assembly), Throttle Position Sensor circuit is open or shorted, Throttle Position Sensor 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 P0120 2013 Toyota RAV4 Description
As the valve closes, the sensor output voltage decreases and as the valve opens, the sensor output voltage increases. The Engine Control Module (ECM) calculates the throttle valve opening angle according to these signals and controls the throttle actuator in response to driver inputs. These signals are also used in calculations such as air-fuel ratio correction, power increase correction, and fuel-cut control.
The ECM uses the throttle position sensor to monitor the throttle valve opening angle. There are several checks that the ECM performs to confirm the proper operation of the throttle position sensor.
This sensor transmits two signals, if the output voltage difference between the two signals deviates from the normal operating range, the ECM interprets this as a malfunction in the throttle position sensor. The ECM illuminates the MIL and stores the Diagnostic Trouble Code (DTC).
What are the Possible Causes of the DTC P0120 2013 Toyota RAV4?
- Faulty Throttle Position Sensor (built into Throttle Body Assembly)
- Throttle Position Sensor circuit is open or shorted
- Throttle Position Sensor poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0120 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.
Code Tech Notes
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What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0120 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 P0120 2013 Toyota RAV4 Code
1. What does the OBDII code P0120 mean for a 2013 Toyota RAV4?
P0120 indicates a malfunction in the Throttle/Pedal Position Sensor/Switch 'A' Circuit, which monitors the position of the throttle or accelerator pedal for proper engine control.
2. What are the symptoms of the P0120 code in a 2013 Toyota RAV4?
Common symptoms include poor engine performance, reduced power, difficulty accelerating, the Check Engine Light turning on, and possible limp mode activation.
3. What causes the P0120 code to appear in a 2013 Toyota RAV4?
Potential causes include a faulty throttle position sensor, damaged wiring or connectors, issues with the accelerator pedal position sensor, or a malfunctioning engine control module (ECM).
4. Can I drive my 2013 Toyota RAV4 with the P0120 code?
Driving with the P0120 code is not recommended, as it can lead to reduced performance or sudden loss of power, creating safety concerns.
5. How do I diagnose the P0120 code in my 2013 Toyota RAV4?
Diagnosis involves using an OBDII scanner to confirm the code, visually inspecting wiring and connectors, testing the throttle position sensor and accelerator pedal sensor, and checking for related codes.
6. How can I fix the P0120 code on a 2013 Toyota RAV4?
Repairs may include replacing the throttle position sensor, accelerator pedal sensor, or repairing damaged wiring and connectors. In rare cases, the ECM may require reprogramming or replacement.
7. How much does it cost to repair the P0120 code on a 2013 Toyota RAV4?
Repair costs vary but typically range from $100 to $400, depending on whether the throttle position sensor, pedal sensor, or wiring needs replacement.
8. Can a dirty throttle body cause the P0120 code on a 2013 Toyota RAV4?
While unlikely, a dirty throttle body can sometimes contribute to sensor issues. Cleaning the throttle body may help if no other faults are found.
9. Do I need to replace the throttle position sensor to fix the P0120 code on a 2013 Toyota RAV4?
Not always. First, inspect and test the sensor, wiring, and connectors. Replace the sensor only if it is confirmed to be faulty.
10. Will clearing the P0120 code fix my 2013 Toyota RAV4?
Clearing the code without addressing the underlying issue will not resolve the problem, and the code will likely return. Proper diagnosis and repair are necessary.
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