AutoCodes – Nissan – P2100 2010 Nissan Pathfinder

P2100 2010 Nissan Pathfinder Code - Throttle Control Motor Relay Circuit Open

Quick Answer

The throttle actuator is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve. Common causes include Dirty throttle body, Faulty Throttle Actuator Control Motor Relay, Throttle Actuator Control Motor Relay harness is open. 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: P2100 2010 Nissan Pathfinder indicates Throttle Control Motor Relay Circuit Open.
Common causes: Common causes include Dirty throttle body, Faulty Throttle Actuator Control Motor Relay, Throttle Actuator Control Motor Relay harness is open.
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 3,241

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 Feb 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2100 2010 Nissan Pathfinder Description

The throttle actuator is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve. Power supply for the throttle control motor is provided to the ECM via throttle control motor relay. The throttle control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends an ON signal to throttle control motor relay and battery voltage is provided to the ECM. When the ignition switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not provided to the ECM. The opening angle of the throttle valve is detected by the throttle position sensor which is mounted on the throttle body. The throttle position sensor provides feedback to the ECM. This feedback allows the ECM to control the throttle actuator and monitor the throttle opening angle in response to driver inputs.

OBDII Code P2100 2010 Nissan Pathfinder - Throttle Control Motor Relay Circuit Open - AutoCodes.com — P2100 2010 Nissan Pathfinder Code - Throttle Control Motor Relay Circuit Open

What does this mean?

What are the Possible Causes of the DTC P2100 2010 Nissan Pathfinder?

Dirty throttle body
Faulty Throttle Actuator Control Motor Relay
Throttle Actuator Control Motor Relay harness is open
Throttle Actuator Control Motor Relay circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P2100 2010 Nissan Pathfinder?

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 P2100 2010 Nissan Pathfinder 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 P2100 2010 Nissan Pathfinder code?

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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 P2100 2010 Nissan Pathfinder Code

1. What are the common symptoms of OBDII code P2100 in a 2010 Nissan Pathfinder?

- Common symptoms include the vehicle going into limp mode, reduced engine power, and the Check Engine light turning on.

2. What does the OBDII code P2100 indicate in a 2010 Nissan Pathfinder?

- The code P2100 indicates a problem with the Throttle Control Motor Relay Circuit being open, potentially affecting the throttle control system.

3. What are some possible causes of OBDII code P2100 in a 2010 Nissan Pathfinder?

- Potential causes include a faulty throttle control motor relay, damaged wiring in the relay circuit, or a malfunctioning throttle control motor.

4. How can I diagnose the OBDII code P2100 in my 2010 Nissan Pathfinder?

- Diagnosing the issue involves checking the throttle control motor relay and its circuit for any visible damage, testing the relay for proper functionality, and inspecting the wiring for continuity.

5. Can I continue driving my 2010 Nissan Pathfinder with OBDII code P2100?

- It is not recommended to drive the vehicle with this code present, as it may lead to further damage and unsafe driving conditions due to potential throttle control issues.

6. How can I repair OBDII code P2100 in my 2010 Nissan Pathfinder?

- Repairing the issue may involve replacing the faulty throttle control motor relay, repairing any damaged wiring in the circuit, or addressing any underlying issues with the throttle control motor.

7. Is it possible to reset the OBDII code P2100 in a 2010 Nissan Pathfinder?

- While you can clear the code with an OBDII scanner, it is important to address the root cause of the issue to prevent the code from reoccurring.

8. Can a DIY enthusiast fix OBDII code P2100 in a 2010 Nissan Pathfinder?

- Depending on your skills and knowledge, you may be able to diagnose and repair the issue yourself. However, if you are unsure, it is best to consult a professional mechanic.

9. How much does it typically cost to repair OBDII code P2100 in a 2010 Nissan Pathfinder?

- The cost of repair can vary depending on the specific issue causing the code. Replacing the throttle control motor relay or repairing wiring may cost a few hundred dollars at a repair shop.

10. Will OBDII code P2100 cause permanent damage to my 2010 Nissan Pathfinder if left unresolved?

- Ignoring the code and not addressing the underlying issue can potentially lead to further damage to the throttle control system, affecting the vehicle's performance and safety.