P1049 2017 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 2017 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 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P1049 2017 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 2017 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 2017 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.
Need more information about the P1049 2017 Chevrolet Silverado code?
Need more information on how to fix the P1049 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1049 2017 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1049 2017 Chevrolet Silverado Code
1. What does the OBDII code P1049 mean for a 2017 Chevrolet Silverado?
P1049 indicates an issue with the reductant injector high control circuit, specifically detecting high voltage in the circuit.
2. What symptoms might a 2017 Chevrolet Silverado show when P1049 is triggered?
Common symptoms include the check engine light turning on, reduced engine performance, DEF (Diesel Exhaust Fluid) system warnings, and possible issues with emissions compliance.
3. What causes the P1049 code to appear on a 2017 Chevrolet Silverado?
Possible causes include a faulty reductant injector, damaged wiring or connectors in the control circuit, or a malfunctioning reductant control module.
4. Can a P1049 code affect vehicle drivability?
Yes, it can lead to reduced engine performance or trigger limp mode if the DEF system detects a serious issue.
5. How can I diagnose the P1049 code on my 2017 Chevrolet Silverado?
Start by visually inspecting the reductant injector wiring and connectors for damage, and use a multimeter to check for high voltage in the circuit. A scan tool can also help monitor related system data.
6. Is it safe to drive with the P1049 code on my 2017 Chevrolet Silverado?
It’s not recommended, as the issue could affect emissions and engine performance. Prolonged driving may cause further damage to the DEF system.
7. How do I fix the P1049 code on a 2017 Chevrolet Silverado?
Repairs may include replacing the reductant injector, repairing damaged wiring or connectors, or reprogramming or replacing the reductant control module if necessary.
8. How much does it cost to fix the P1049 code on a 2017 Chevrolet Silverado?
Repair costs can vary widely, ranging from $100 for minor wiring repairs to $500 or more if the reductant injector or control module needs replacement.
9. Can a weak battery cause the P1049 code to appear?
A weak or failing battery can sometimes contribute to electrical issues, but it’s not a common cause of the P1049 code. It’s more likely due to a fault in the reductant system.
10. Does clearing the P1049 code with a scan tool fix the problem?
Clearing the code will turn off the check engine light temporarily, but the underlying issue must be fixed to prevent the code from returning.
Discuss the causes and fixes for P1049 2017 Chevrolet Silverado OBDII Code
Code P1049 2017 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
