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P2135 Chrysler Code - Throttle Position Sensor 1/2 Correlation

Quick Answer

The P2135 code for Chrysler vehicles indicates a Throttle Position Sensor 1/2 Correlation issue. Common causes include Faulty throttle position sensors: One or both of the throttle position sensors may be malfunctioning or sending incorrect signals to the ECM, Wiring issues: There could be a wiring problem, such as a short circuit or open circuit, that is affecting the communication between the sensors and the ECM, Corrosion or contamination: The sensors or their connectors may be corroded or contaminated, leading to inaccurate readings. 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
P2135 Chrysler indicates Throttle Position Sensor 1/2 Correlation.
Common causes
Common causes include Faulty throttle position sensors: One or both of the throttle position sensors may be malfunctioning or sending incorrect signals to the ECM, Wiring issues: There could be a wiring problem, such as a short circuit or open circuit, that is affecting the communication between the sensors and the ECM, Corrosion or contamination: The sensors or their connectors may be corroded or contaminated, leading to inaccurate readings.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P2135 Chrysler Description

The P2135 code for Chrysler vehicles indicates a Throttle Position Sensor 1/2 Correlation issue. This means that the correlation between the throttle position sensor 1 and throttle position sensor 2 is not within the expected range. The throttle position sensors are vital components of the electronic throttle control system, which is responsible for regulating the air intake into the engine. When the correlation between these sensors is off, it can lead to various performance issues and potentially cause long-term damage to the vehicle if not addressed promptly.

OBDII Code P2135 Chrysler - Throttle Position Sensor 1/2 Correlation
P2135 Chrysler Code - Throttle Position Sensor 1/2 Correlation

Common Causes of P2135 Chrysler

  1. Faulty throttle position sensors: One or both of the throttle position sensors may be malfunctioning or sending incorrect signals to the ECM.
  2. Wiring issues: There could be a wiring problem, such as a short circuit or open circuit, that is affecting the communication between the sensors and the ECM.
  3. Corrosion or contamination: The sensors or their connectors may be corroded or contaminated, leading to inaccurate readings.
  4. ECM malfunction: A malfunction in the engine control module could also cause the correlation issue between the throttle position sensors.
  5. Mechanical issues: Any physical damage or obstruction in the throttle body or accelerator pedal assembly could also affect the sensors' readings.

Symptoms of P2135 Chrysler

  1. Poor acceleration: The vehicle may struggle to accelerate smoothly or may have a delayed response when pressing the gas pedal.
  2. Hesitation: There may be a noticeable hesitation or jerkiness when accelerating or maintaining speed.
  3. Stalling: The engine may stall unexpectedly, especially when idling or coming to a stop.
  4. Loss of power: The vehicle may experience a sudden loss of power, making it difficult to drive at normal speeds.
  5. Check Engine Light: The Check Engine Light may illuminate on the dashboard to indicate a problem with the throttle position sensors.

How to Fix P2135 Chrysler

  1. Diagnose the issue: Use a diagnostic scanner to retrieve the fault codes and perform a thorough inspection of the throttle position sensors and related components.
  2. Replace faulty sensors: If one or both of the throttle position sensors are found to be faulty, they will need to be replaced with new ones.
  3. Check wiring and connections: Inspect the wiring harness and connectors for any damage or corrosion, and repair or replace as needed.
  4. Clean throttle body: Remove any carbon buildup or debris from the throttle body to ensure proper airflow and sensor operation.
  5. Reset ECM: After completing the repairs, reset the ECM and perform a throttle relearn procedure to calibrate the new sensors.

Cost to Fix P2135 Chrysler

The cost of repairing a P2135 code on a Chrysler vehicle can vary depending on the extent of the issue and the specific model. On average, the parts for replacing throttle position sensors can range from $50 to $150 each, and labor costs can range from $100 to $200. Overall, the total repair cost can be anywhere from $200 to $500. It's important to note that these are rough estimates, and actual costs may differ based on the location and shop rates. It's recommended to consult with a qualified mechanic or dealership for a more accurate cost estimate.

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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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