P0122 2007 Toyota Highlander Code - Throttle Position Sensor/Switch 'A' Circuit Low Input
Quick Answer
The Throttle Pedal Position (TPP) responds to the accelerator pedal movement. Common causes include Faulty throttle position sensor, Throttle position sensor harness is open or shorted, Throttle position sensor 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
- P0122 2007 Toyota Highlander indicates Throttle Position Sensor/Switch 'A' Circuit Low Input.
- Common causes
- Common causes include Faulty throttle position sensor, Throttle position sensor harness is open or shorted, Throttle position sensor 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 P0122 2007 Toyota Highlander Description
Idle position of the throttle valve is determined by the ECM receiving the signal from the throttle position sensor. This sensor controls engine operation such as fuel cut. On the other hand, the Wide open and closed throttle position switch, which is built into the throttle position sensor unit, is not used for engine control.
What are the Possible Causes of the DTC P0122 2007 Toyota Highlander?
- Faulty throttle position sensor
- Throttle position sensor harness is open or shorted
- Throttle position sensor circuit poor electrical connection
How to Fix the DTC P0122 2007 Toyota Highlander?
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 P0122 2007 Toyota Highlander 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.
Need more information about the P0122 2007 Toyota Highlander code?
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Frequently Asked Questions about P0122 2007 Toyota Highlander Code
1. What are the common symptoms of OBDII code P0122 on a 2007 Toyota Highlander?
The common symptoms of OBDII code P0122 on a 2007 Toyota Highlander include poor acceleration, stalling, rough idling, and potential issues with the vehicle's transmission shifting.
2. What are the possible causes of OBDII code P0122 on a 2007 Toyota Highlander?
The possible causes of OBDII code P0122 on a 2007 Toyota Highlander include a faulty throttle position sensor, damaged wiring or connectors related to the sensor, or issues with the vehicle's engine control module.
3. How can I diagnose the Throttle Position Sensor/Switch 'A' Circuit Low Input issue on my 2007 Toyota Highlander?
To diagnose the Throttle Position Sensor/Switch 'A' Circuit Low Input issue on your 2007 Toyota Highlander, you can use an OBDII scanner to read the trouble codes, inspect the throttle position sensor and its wiring for any visible damage, and perform a voltage test on the sensor.
4. Can I still drive my 2007 Toyota Highlander with OBDII code P0122 present?
It is not recommended to drive your 2007 Toyota Highlander with OBDII code P0122 present, as it can lead to poor engine performance and potential safety hazards. It is best to address the issue promptly.
5. How can I repair OBDII code P0122 on my 2007 Toyota Highlander?
To repair OBDII code P0122 on your 2007 Toyota Highlander, you may need to replace the throttle position sensor, repair any damaged wiring or connectors, or reset the engine control module to clear the trouble code.
6. Are there any DIY tips for fixing OBDII code P0122 on a 2007 Toyota Highlander?
While some aspects of diagnosing and repairing OBDII code P0122 may be DIY-friendly, it is recommended to seek professional help to ensure accurate diagnosis and proper repair to avoid further issues.
7. How much does it cost to repair OBDII code P0122 on a 2007 Toyota Highlander?
The cost to repair OBDII code P0122 on a 2007 Toyota Highlander can vary depending on the root cause of the issue, the cost of parts needed for repair, and labor charges. It is advisable to get a quote from a trusted mechanic.
8. Can a dirty throttle body cause OBDII code P0122 on a 2007 Toyota Highlander?
While a dirty throttle body can affect the performance of the throttle position sensor, it is not a common direct cause of OBDII code P0122. However, keeping the throttle body clean is important for overall engine health.
9. Will disconnecting the battery reset OBDII code P0122 on a 2007 Toyota Highlander?
Disconnecting the battery may temporarily clear the trouble code, but it is not a permanent solution. The underlying issue causing OBDII code P0122 needs to be diagnosed and repaired to prevent the code from reoccurring.
10. How urgent is it to address OBDII code P0122 on a 2007 Toyota Highlander?
It is important to address OBDII code P0122 on a 2007 Toyota Highlander promptly to prevent further damage to the vehicle's engine and ensure safe operation. Ignoring the issue can lead to more severe problems down the line.
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