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Engine-Codes – Generic – P2047

P2047 Code - Reductant Injection Valve Circuit/Open Bank 1 Unit 1

Quick Answer

The P2047 code indicates a problem with the reductant injection valve circuit in Bank 1 Unit 1 of the vehicle. Common causes include Faulty reductant injection valve, Wiring or electrical issues in the circuit, Corrosion or damage to connectors. 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
P2047 indicates Reductant Injection Valve Circuit/Open Bank 1 Unit 1.
Common causes
Common causes include Faulty reductant injection valve, Wiring or electrical issues in the circuit, Corrosion or damage to connectors.
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 06, 2024
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Code P2047 Description

The P2047 code indicates a problem with the reductant injection valve circuit in Bank 1 Unit 1 of the vehicle. This valve is responsible for injecting the reductant (such as diesel exhaust fluid) into the exhaust system to help reduce harmful emissions. When this circuit is open or malfunctioning, it can lead to an incorrect amount of reductant being injected, which can affect the vehicle's emissions levels and overall performance.

OBDII Code P2047 - Reductant Injection Valve Circuit/Open Bank 1 Unit 1
P2047 Code - Reductant Injection Valve Circuit/Open Bank 1 Unit 1

Common Causes of P2047

  1. Faulty reductant injection valve.
  2. Wiring or electrical issues in the circuit.
  3. Corrosion or damage to connectors.
  4. ECM (Engine Control Module) software issues.
  5. Defective reductant injector pump.

Symptoms of P2047

  1. Check engine light is illuminated.
  2. Decreased fuel efficiency.
  3. Rough idling or stalling.
  4. Increased emissions output.
  5. Failed emissions test.

How to Fix P2047

  1. Diagnose the specific cause of the issue using a diagnostic scanner.
  2. Inspect the wiring and connectors for any damage or corrosion.
  3. Test the reductant injection valve and pump for proper operation.
  4. Replace any faulty components, such as the valve or wiring harness.
  5. Clear the code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2047

The typical repair costs for addressing a P2047 code can range from $200 to $500, depending on the specific cause of the issue and the cost of parts. Keep in mind that labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple shops to ensure a competitive price.

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Code P2047 Information for Specific Makes

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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