AutoCodesDodge – P2171 Dodge

P2171 Dodge Code - Exhaust Pressure Regulator Vent Solenoid Control Circuit High

Quick Answer

P2171 Dodge indicates Exhaust Pressure Regulator Vent Solenoid Control Circuit High. Common causes include Faulty Exhaust Pressure Regulator Vent Solenoid, Exhaust Pressure Regulator Vent Solenoid harness is open or shorted, Exhaust Pressure Regulator Vent Solenoid 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
P2171 Dodge indicates Exhaust Pressure Regulator Vent Solenoid Control Circuit High.
Common causes
Common causes include Faulty Exhaust Pressure Regulator Vent Solenoid, Exhaust Pressure Regulator Vent Solenoid harness is open or shorted, Exhaust Pressure Regulator Vent Solenoid 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 3,842
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P2171 Dodge Description

OBDII Code P2171 Dodge - Exhaust Pressure Regulator Vent Solenoid Control Circuit High - AutoCodes.com
P2171 Dodge Code - Exhaust Pressure Regulator Vent Solenoid Control Circuit High

What are the Possible Causes of the DTC P2171 Dodge?

  • Faulty Exhaust Pressure Regulator Vent Solenoid
  • Exhaust Pressure Regulator Vent Solenoid harness is open or shorted
  • Exhaust Pressure Regulator Vent Solenoid circuit poor electrical connection

How to Fix the DTC P2171 Dodge?

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 P2171 Dodge 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 P2171 Dodge Code

What does the OBDII code P2171 mean on a Dodge vehicle?

The P2171 code indicates an issue with the Exhaust Pressure Regulator Vent Solenoid Control Circuit, specifically a high voltage or resistance problem.

What are the common symptoms of code P2171 on a Dodge?

Typical symptoms include reduced engine performance, poor fuel efficiency, rough idling, and the Check Engine Light turning on.

What causes the P2171 code to appear on a Dodge?

Common causes include a faulty exhaust pressure regulator vent solenoid, damaged wiring or connectors in the control circuit, or a malfunctioning PCM (Powertrain Control Module).

Can I drive my Dodge with the P2171 code active?

It’s not recommended to drive for long periods with this code active, as it can lead to further engine issues or reduced performance.

How do I diagnose the P2171 code on a Dodge?

Diagnosis involves inspecting the exhaust pressure regulator vent solenoid, checking the wiring and connectors, and using a multimeter to test for proper voltage in the circuit.

How can I fix the P2171 code on my Dodge?

Common fixes include replacing the faulty vent solenoid, repairing damaged wiring or connectors, or reprogramming/updating the PCM if necessary.

Is the P2171 code specific to Dodge vehicles?

No, the P2171 code can appear on other vehicles, but the specific repair steps and components may vary depending on the make and model.

How much does it cost to repair the P2171 code on a Dodge?

Repair costs can range from $100 to $300, depending on whether the solenoid, wiring, or PCM requires replacement or repair.

Can a dirty exhaust system cause the P2171 code on a Dodge?

While a dirty exhaust system isn’t a direct cause, it can affect exhaust flow and potentially contribute to issues with the pressure regulator.

Will clearing the P2171 code fix the issue permanently?

No, clearing the code will only reset the Check Engine Light temporarily. The underlying issue must be repaired to prevent the code from returning.

Discuss the causes and fixes for P2171 Dodge OBDII Code

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