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Engine-Codes – Generic – P213D

P213D Code - Exhaust Gas Recirculation Throttle Control Circuit 'B' High

Quick Answer

The P213D diagnostic trouble code (DTC) indicates a problem with the Exhaust Gas Recirculation (EGR) throttle control circuit 'B', specifically that it is reading a high voltage signal. Common causes include Faulty EGR Valve: A malfunctioning EGR valve that fails to open or close properly can trigger this code, Wiring Issues: Damaged or corroded wiring in the EGR throttle control circuit can lead to high voltage readings, Faulty EGR Position Sensor: A defective sensor that inaccurately reads the position of the EGR valve can cause the ECU to register a high voltage. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P213D indicates Exhaust Gas Recirculation Throttle Control Circuit 'B' High.
Common causes
Common causes include Faulty EGR Valve: A malfunctioning EGR valve that fails to open or close properly can trigger this code, Wiring Issues: Damaged or corroded wiring in the EGR throttle control circuit can lead to high voltage readings, Faulty EGR Position Sensor: A defective sensor that inaccurately reads the position of the EGR valve can cause the ECU to register a high voltage.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
What is this?
Table of contents Created and updated by William Orellana on Oct 05, 2024
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Code P213D Description

The P213D diagnostic trouble code (DTC) indicates a problem with the Exhaust Gas Recirculation (EGR) throttle control circuit 'B', specifically that it is reading a high voltage signal. This code is primarily associated with the EGR system, which plays a crucial role in reducing nitrogen oxide (NOx) emissions by recirculating a portion of the exhaust gases back into the engine's intake manifold. This process helps to lower combustion temperatures and, consequently, NOx formation.

OBDII Code P213D - Exhaust Gas Recirculation Throttle Control Circuit 'B' High
P213D Code - Exhaust Gas Recirculation Throttle Control Circuit 'B' High

Common Causes of P213D

  1. Faulty EGR Valve: A malfunctioning EGR valve that fails to open or close properly can trigger this code.
  2. Wiring Issues: Damaged or corroded wiring in the EGR throttle control circuit can lead to high voltage readings.
  3. Faulty EGR Position Sensor: A defective sensor that inaccurately reads the position of the EGR valve can cause the ECU to register a high voltage.
  4. ECU Malfunction: A failure in the vehicle's ECU can misinterpret signals from the EGR system.
  5. Vacuum Leaks: Leaks in the intake system can affect the EGR's operation, leading to incorrect readings.

Symptoms of P213D

  1. Reduced Engine Performance: Noticeable loss of power, especially during acceleration.
  2. Check Engine Light: The illumination of the check engine light on the dashboard.
  3. Rough Idle: The engine may idle unevenly or shake.
  4. Increased Emissions: Higher levels of exhaust emissions, potentially leading to failure in emissions testing.
  5. Stalling: The vehicle may stall unexpectedly, particularly at low speeds or during idling.

How to Fix P213D

  1. Visual Inspection: Begin with a thorough visual inspection of the EGR valve, wiring, and connectors for any signs of damage or corrosion.
  2. Test EGR Valve Functionality: Use a diagnostic scanner to check the EGR valve's operation and ensure it opens and closes as intended.
  3. Check Wiring and Connectors: Inspect the wiring harness for continuity and check connectors for proper seating and corrosion.
  4. Replace Faulty Components: If any components, such as the EGR valve or position sensor, are found to be faulty, replace them with OEM or high-quality aftermarket parts.
  5. ECU Reprogramming or Replacement: If the ECU is determined to be the issue, it may need to be reprogrammed or replaced to restore proper function.

Cost to Fix P213D

The cost to diagnose and repair a P213D code can vary widely based on several factors, including the vehicle's make and model, the specific components involved, and the labor rates in your area. On average, you might expect to pay anywhere from $150 to $600 for repairs, which may include parts such as an EGR valve or position sensor, and labor costs. Labor rates typically range from $80 to $150 per hour, with independent shops generally charging less than dealerships. In metropolitan areas, rates may be higher due to increased demand. It is advisable to consult local repair shops for a more precise estimate tailored to your vehicle's specific needs.

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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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