P1049 2014 Chevrolet Silverado Code - Reductant Injector High Control Circuit High Voltage
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
- P1049 2014 Chevrolet Silverado indicates Reductant Injector High Control Circuit High Voltage.
- 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 P1049 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC P1049 2014 Chevrolet Silverado?
- 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 P1049 2014 Chevrolet Silverado?
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 P1049 2014 Chevrolet Silverado 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 P1049 2014 Chevrolet Silverado Code
1. What does the OBDII code P1049 mean for a 2014 Chevrolet Silverado?
P1049 indicates a "Reductant Injector High Control Circuit High Voltage," meaning the vehicle's ECM has detected an abnormally high voltage in the circuit controlling the reductant (DEF) injector.
2. What are the common symptoms of code P1049 in a 2014 Chevrolet Silverado?
Symptoms may include the check engine light turning on, reduced engine performance, poor fuel efficiency, and issues with the DEF (diesel exhaust fluid) system.
3. What causes the P1049 code on a 2014 Chevrolet Silverado?
Common causes include a malfunctioning reductant injector, damaged wiring or connectors in the injector circuit, a faulty reductant control module, or an issue with the ECM.
4. Is it safe to drive my 2014 Chevrolet Silverado with a P1049 code?
Driving with a P1049 code is not recommended, as it may lead to further damage to the DEF system and emissions components, potentially affecting engine performance.
5. How do I diagnose the P1049 code on a 2014 Chevrolet Silverado?
Start by visually inspecting the reductant injector wiring and connectors for damage or corrosion. Use a multimeter to test the circuit voltage and continuity, and check the ECM for any additional related codes.
6. What repairs are needed to fix the P1049 code?
Repairs may include replacing a faulty reductant injector, repairing or replacing damaged wiring or connectors, updating or reprogramming the ECM, or replacing the reductant control module if necessary.
7. Can a blown fuse cause the P1049 code on a 2014 Chevrolet Silverado?
Yes, a blown fuse in the reductant system circuit can lead to voltage irregularities and trigger the P1049 code.
8. Will clearing the P1049 code solve the problem?
Clearing the code may temporarily turn off the check engine light, but the underlying issue needs to be resolved to prevent the code from returning.
9. How much does it cost to fix the P1049 code on a 2014 Chevrolet Silverado?
The repair cost can vary widely, ranging from $100 for minor wiring repairs to over $500 if the reductant injector or control module needs replacement.
10. Can the P1049 code damage my engine if left unresolved?
While the code itself may not directly harm the engine, unresolved issues in the DEF system can lead to increased emissions, reduced performance, and potential damage to the exhaust after-treatment system over time.
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