AutoCodes – Infiniti – P2127 2006 Infiniti G35

P2127 2006 Infiniti G35 Code - Accelerator Pedal Position Sensor Circuit

Quick Answer

The Accelerator Pedal Position (APP) Sensor is installed on the upper end of the accelerator pedal assembly. Common causes include Faulty Accelerator Pedal Position Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal 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: P2127 2006 Infiniti G35 indicates Accelerator Pedal Position Sensor Circuit.
Common causes: Common causes include Faulty Accelerator Pedal Position Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal 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 2,971

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2127 2006 Infiniti G35 Description

The Accelerator Pedal Position (APP) Sensor is installed on the upper end of the accelerator pedal assembly. The sensor detects the accelerator position and sends a signal to the Engine Control Module (ECM). Accelerator pedal position sensor has two sensors. These sensors are a kind of potentiometers which transform the accelerator pedal position into output voltage, and emit the voltage signal to the ECM. In addition, these sensors detect the opening and closing speed of the accelerator pedal and feed the voltage signals to the ECM. The ECM judges the current opening angle of the accelerator pedal from these signals and controls the throttle control motor based on these signals. Idle position of the accelerator pedal is determined by the ECM receiving the signal from the accelerator pedal position sensor. The ECM uses this signal for the engine operation such as fuel cut.

OBDII Code P2127 2006 Infiniti G35 - Accelerator Pedal Position Sensor Circuit - AutoCodes.com — P2127 2006 Infiniti G35 Code - Accelerator Pedal Position Sensor Circuit

What does this mean?

What are the Possible Causes of the DTC P2127 2006 Infiniti G35?

Faulty Accelerator Pedal Position Sensor
Accelerator Pedal Position Sensor harness is open or shorted
Accelerator Pedal Position Sensor circuit poor electrical connection
Faulty Electric Throttle Control Actuator (TP Sensor 1 and 2)
Faulty Engine Control Module (ECM)

How to Fix the DTC P2127 2006 Infiniti G35?

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 P2127 2006 Infiniti G35 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.

Frequently Asked Questions about P2127 2006 Infiniti G35 Code

What does the OBDII code P2127 mean on a 2006 Infiniti G35?

The P2127 code indicates that the Engine Control Module (ECM) has detected a low voltage input from the Accelerator Pedal Position (APP) Sensor 2 in the accelerator pedal assembly.

What symptoms may I notice if my 2006 Infiniti G35 shows a P2127 code?

Symptoms can include a lack of power, the engine entering limp mode, the throttle not responding properly, and the Check Engine Light turning on. You might also experience erratic or unstable idling.

What can cause the P2127 code to appear in a 2006 Infiniti G35?

Common causes include a faulty accelerator pedal position sensor, poor electrical connections at the accelerator pedal position sensor, or a short/open in the wiring harness connected to the sensor.

How can I fix the P2127 code in my 2006 Infiniti G35?

Repairing this code might involve replacing the accelerator pedal position sensor, repairing or replacing the wiring harness if damaged, or cleaning and securing electrical connections at the sensor.

Is it safe to drive my 2006 Infiniti G35 with a P2127 code?

While you might be able to drive with this code, it's not recommended as it can lead to unpredictable vehicle behavior and potentially unsafe driving conditions. It's better to address the issue promptly.

How do I diagnose the P2127 code in a 2006 Infiniti G35?

Diagnosis should start with using an OBD-II scanner to verify the code and then visually inspecting the accelerator pedal position sensor and its connections. Following this, electrical testing with a multimeter can confirm whether the sensor or the circuit is faulty.

What tools are needed to address a P2127 code in a 2006 Infiniti G35?

You will likely need an OBD-II scanner to read the code and monitor live data, a multimeter for electrical tests, and basic hand tools to access and possibly replace the accelerator pedal position sensor.

Can a faulty accelerator pedal position sensor affect the fuel economy of my 2006 Infiniti G35?

Yes, a faulty sensor can lead to incorrect throttle positions, which can cause the engine to run inefficiently, potentially reducing fuel economy and overall engine performance.

After repairing a P2127 code, what should I do next with my 2006 Infiniti G35?

Once repairs are completed, clear the diagnostic trouble codes from your vehicle's computer with an OBD-II scanner and perform a test drive to ensure that the issue has been resolved and the P2127 code does not reappear.

Could other issues mimic the symptoms of the P2127 code in a 2006 Infiniti G35?

Yes, similar symptoms might also be caused by issues with other components like the throttle body, ECM, or other sensors in the throttle control system, so comprehensive diagnostics are crucial.