P0122 2003 Nissan Altima Sedan Code - Throttle Position Sensor/Switch '1' 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 2003 Nissan Altima Sedan indicates Throttle Position Sensor/Switch '1' 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 2003 Nissan Altima Sedan 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 2003 Nissan Altima Sedan?
- Faulty throttle position sensor.
- Throttle position sensor harness is open or shorted
- Throttle position sensor circuit poor electrical connection
- Faulty accelerator pedal position sensor
How to Fix the DTC P0122 2003 Nissan Altima Sedan?
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 2003 Nissan Altima Sedan 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 P0122 2003 Nissan Altima Sedan Code
1. What are the common symptoms of OBDII code P0122 in a 2003 Nissan Altima Sedan?
The common symptoms of code P0122 include reduced engine power, hesitation or stalling when accelerating, and the vehicle going into "limp mode."
2. What does the OBDII code P0122 indicate in a 2003 Nissan Altima Sedan?
Code P0122 indicates a low input signal from the throttle position sensor or throttle position switch '1' circuit in the 2003 Nissan Altima Sedan.
3. What are the possible causes of OBDII code P0122 in a 2003 Nissan Altima Sedan?
Possible causes of code P0122 include a faulty throttle position sensor, damaged wiring or connectors in the sensor circuit, or a problem with the throttle body itself.
4. How can I diagnose the OBDII code P0122 in my 2003 Nissan Altima Sedan?
To diagnose code P0122, you can use a scan tool to check for the code, inspect the throttle position sensor and its wiring for damage, and perform a voltage test on the sensor.
5. Can I drive my 2003 Nissan Altima Sedan with OBDII code P0122?
It is not recommended to drive your vehicle with OBDII code P0122 as it can lead to further damage and safety issues due to the potential loss of engine power.
6. How can I repair OBDII code P0122 in my 2003 Nissan Altima Sedan?
Repairing code P0122 involves replacing the throttle position sensor if faulty, repairing any damaged wiring or connectors, and resetting the ECU to clear the code.
7. Can a dirty throttle body cause OBDII code P0122 in a 2003 Nissan Altima Sedan?
Yes, a dirty throttle body can cause erratic readings from the throttle position sensor, leading to OBDII code P0122 in a 2003 Nissan Altima Sedan.
8. Will resetting the ECU clear OBDII code P0122 in my 2003 Nissan Altima Sedan?
Resetting the ECU may temporarily clear the code, but if the underlying issue causing code P0122 is not addressed, the code is likely to reappear.
9. Is it necessary to replace the entire throttle body for OBDII code P0122 in a 2003 Nissan Altima Sedan?
In some cases, only the throttle position sensor needs to be replaced, but if the issue persists, the entire throttle body may need to be replaced to resolve code P0122.
10. How can I prevent OBDII code P0122 from recurring in my 2003 Nissan Altima Sedan?
To prevent code P0122 from recurring, regular maintenance of the throttle body, cleaning of the throttle position sensor, and timely repairs of any related issues are recommended.
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