AutoCodes – Nissan – P1120 Nissan

P1120 Nissan Code - Secondary Throttle Position Sensor

Quick Answer

P1120 Nissan indicates Secondary Throttle Position Sensor. Common causes include Faulty Secondary Throttle Position Sensor, Secondary Throttle Position Sensor harness is open or shorted, Secondary 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
P1120 Nissan indicates Secondary Throttle Position Sensor.
Common causes
Common causes include Faulty Secondary Throttle Position Sensor, Secondary Throttle Position Sensor harness is open or shorted, Secondary 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.
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Code Popularity 10,884
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 25, 2019
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Code P1120 Nissan Description

OBDII Code P1120 Nissan - Secondary Throttle Position Sensor - AutoCodes.com
P1120 Nissan Code - Secondary Throttle Position Sensor

What are the Possible Causes of the DTC P1120 Nissan?

  • Faulty Secondary Throttle Position Sensor
  • Secondary Throttle Position Sensor harness is open or shorted
  • Secondary Throttle Position Sensor circuit poor electrical connection

How to Fix the DTC P1120 Nissan?

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 P1120 Nissan 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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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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