P2047 2017 GMC Sierra Code - Reductant Injector Control Circuit
Quick Answer
The Reductant Injector is a component of selective catalytic reduction system used to dose the reductant fluid to the exhaust gas and participate in the reduction reactions. Common causes include Faulty Reductant Injector, Reductant Injector harness is open or shorted, Reductant Injector 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
- P2047 2017 GMC Sierra indicates Reductant Injector Control Circuit.
- Common causes
- Common causes include Faulty Reductant Injector, Reductant Injector harness is open or shorted, Reductant Injector 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.
Code P2047 2017 GMC Sierra Description
What are the Possible Causes of the DTC P2047 2017 GMC Sierra?
- Faulty Reductant Injector
- Reductant Injector harness is open or shorted
- Reductant Injector circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P2047 2017 GMC Sierra?
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 P2047 2017 GMC Sierra 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.
Need more information about the P2047 2017 GMC Sierra code?
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Frequently Asked Questions about P2047 2017 GMC Sierra Code
1. What does the OBDII code P2047 mean on a 2017 GMC Sierra?
P2047 indicates an issue with the reductant injector control circuit, which is part of the diesel exhaust fluid (DEF) system responsible for reducing emissions.
2. What are the common symptoms of code P2047 on a 2017 GMC Sierra?
Symptoms may include the check engine light turning on, reduced engine power, increased emissions, and poor DEF system performance.
3. What causes the P2047 code to appear on a 2017 GMC Sierra?
Common causes include a faulty reductant injector, damaged wiring or connectors in the control circuit, or a malfunctioning DEF control module.
4. Can I still drive my 2017 GMC Sierra with a P2047 code?
Driving with this code is not recommended for extended periods, as it may lead to increased emissions or reduced engine performance.
5. How do I diagnose the P2047 code on my GMC Sierra?
Start by visually inspecting the wiring and connectors for damage, use a multimeter to test the circuit, and scan the DEF system with a diagnostic tool.
6. How is the P2047 code repaired on a 2017 GMC Sierra?
Repairs may include replacing the reductant injector, repairing damaged wiring, or reprogramming or replacing the DEF control module.
7. What tools are needed to fix the P2047 code?
You’ll need a diagnostic scanner, a multimeter for electrical testing, and potentially tools for replacing the injector or repairing wiring.
8. Can a software update fix the P2047 code on a 2017 GMC Sierra?
In some cases, a reprogramming of the DEF control module may resolve the issue if the problem is software-related.
9. How much does it cost to repair the P2047 code on a GMC Sierra?
The repair cost can vary depending on the issue, but replacing a reductant injector typically costs between $200 and $600, excluding labor.
10. Is the P2047 code covered under warranty for a 2017 GMC Sierra?
It may be covered if your vehicle is still under the emissions warranty. Check with your dealership for details.
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