P2135 Scion Code - Throttle / Pedal Position Sensor / Switch 'A' / 'B' Voltage Correlation
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
- P2135 Scion indicates Throttle / Pedal Position Sensor / Switch 'A' / 'B' Voltage Correlation.
- 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 P2135 Scion 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 P2135 Scion?
- 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 P2135 Scion?
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 P2135 Scion 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 P2135 Scion Code
1. What does the OBDII code P2135 mean for a Scion?
P2135 indicates a voltage correlation issue between throttle position sensor 'A' and 'B', which could affect throttle control.
2. What are the common symptoms of code P2135 in a Scion?
Symptoms include reduced engine power, poor acceleration, hesitation, and activation of "limp mode."
3. What causes the P2135 code to occur in a Scion?
Common causes include faulty throttle position sensors, damaged wiring, corrosion in connectors, or a failing throttle body.
4. Can I drive my Scion with the P2135 code?
Driving with code P2135 is not recommended, as the vehicle may enter limp mode or experience sudden loss of power.
5. How do you diagnose the P2135 code in a Scion?
Diagnosis involves scanning for codes, inspecting the throttle position sensors, checking wiring and connectors, and testing the throttle body.
6. How do you fix the P2135 code on a Scion?
Repairs may include replacing the throttle position sensor, repairing damaged wiring, cleaning connectors, or replacing the throttle body.
7. Does the P2135 code always mean the throttle position sensor is bad?
No, it could also be due to wiring issues, connector corrosion, or problems with the throttle body.
8. How much does it cost to fix the P2135 code on a Scion?
Repair costs vary but typically range from $100 to $600, depending on whether the sensor, wiring, or throttle body needs replacement.
9. Can a dirty throttle body cause the P2135 code?
Yes, a dirty or sticking throttle body can disrupt sensor readings and trigger the code.
10. Will clearing the P2135 code fix the problem in a Scion?
Clearing the code may temporarily erase it, but the underlying issue must be resolved to prevent it from returning.
Discuss the causes and fixes for P2135 Scion OBDII Code
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