P2047 2014 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 2014 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 2014 GMC Sierra Description
What are the Possible Causes of the DTC P2047 2014 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 2014 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 2014 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.
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Frequently Asked Questions about P2047 2014 GMC Sierra Code
1. What does the OBDII code P2047 mean on a 2014 GMC Sierra?
P2047 indicates a problem with the Reductant Injector Control Circuit, which is responsible for managing the diesel exhaust fluid (DEF) injection system.
2. What are the common symptoms of code P2047 on a 2014 GMC Sierra?
Symptoms may include an illuminated Check Engine Light, reduced engine performance, poor fuel efficiency, or improper DEF injection.
3. What causes the P2047 code to appear on a 2014 GMC Sierra?
Common causes include a faulty reductant injector, damaged wiring or connectors in the injector circuit, or a malfunctioning control module.
4. Can I drive my 2014 GMC Sierra with the P2047 code?
While the truck may still be drivable, continuing to operate it with this code can lead to increased emissions, reduced performance, and possible damage to the emissions system.
5. How can I diagnose the P2047 code on my 2014 GMC Sierra?
Start by inspecting the wiring and connectors for damage or corrosion, check the reductant injector for proper operation, and use a scan tool to verify voltage and resistance in the circuit.
6. How do I fix the P2047 code on a 2014 GMC Sierra?
Possible fixes include repairing damaged wiring or connectors, replacing the reductant injector, or reprogramming or replacing the control module if necessary.
7. What tools are needed to troubleshoot the P2047 code?
You’ll need an OBDII scan tool, a multimeter, and potentially a wiring diagram for the reductant injector circuit.
8. How much does it cost to repair the P2047 code on a 2014 GMC Sierra?
Repair costs vary but can range from $100 to $500, depending on whether wiring repairs, a new reductant injector, or module replacement is required.
9. Can a clogged reductant injector cause the P2047 code?
Yes, a clogged or malfunctioning reductant injector can prevent proper DEF delivery, triggering this code.
10. Does a software update fix the P2047 code on a 2014 GMC Sierra?
In some cases, a software update for the engine control module (ECM) may resolve issues related to the reductant injector circuit. Consult your dealer for updates.
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