Engine-CodesGeneric – P2145

P2145 Code - Exhaust Gas Recirculation Vent Control Circuit High

Quick Answer

The P2145 code refers to a problem with the Exhaust Gas Recirculation (EGR) vent control circuit being detected as too high. Common causes include Damaged or corroded wiring in the EGR vent control circuit, Faulty EGR valve, Defective EGR solenoid. 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
P2145 indicates Exhaust Gas Recirculation Vent Control Circuit High.
Common causes
Common causes include Damaged or corroded wiring in the EGR vent control circuit, Faulty EGR valve, Defective EGR solenoid.
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.
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code P2145 Description

The P2145 code refers to a problem with the Exhaust Gas Recirculation (EGR) vent control circuit being detected as too high. The EGR system helps reduce emissions by recirculating a portion of the engine's exhaust gas back into the combustion chamber. The vent control circuit is responsible for regulating the flow of exhaust gas in the EGR system. When this circuit malfunctions and registers a high voltage signal, it can lead to a variety of issues with the vehicle's performance.

OBDII Code P2145 - Exhaust Gas Recirculation Vent Control Circuit High
P2145 Code - Exhaust Gas Recirculation Vent Control Circuit High

Common Causes of P2145

  1. Damaged or corroded wiring in the EGR vent control circuit
  2. Faulty EGR valve
  3. Defective EGR solenoid
  4. Issues with the engine control module (ECM)
  5. Carbon buildup in the EGR system

Symptoms of P2145

  1. Check engine light illuminated on the dashboard
  2. Reduced fuel efficiency
  3. Rough idling or stalling
  4. Engine knocking or pinging
  5. Failed emissions test

How to Fix P2145

  1. Use a diagnostic scanner to confirm the P2145 code and pinpoint the exact cause of the issue.
  2. Inspect the wiring in the EGR vent control circuit for damage or corrosion, repairing or replacing as needed.
  3. Test the EGR valve and solenoid for proper operation, replacing any faulty components.
  4. Clean out any carbon buildup in the EGR system to ensure proper flow of exhaust gas.
  5. Clear the trouble codes and reset the engine control module to see if the issue has been resolved.

Cost to Fix P2145

The cost of repairing a P2145 code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the repair costs for this issue could range from $200 to $500, including parts and labor. It's important to note that the diagnosis time and labor rates can fluctuate based on factors such as location, vehicle make and model, and engine type. It's recommended to check with local auto repair shops for a more accurate estimate.

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Code P2145 Information for Specific Makes

  • P2145 Dodge — Exhaust Gas Recirculation Vent Control Circuit High
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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