P1407 2015 GMC Sierra Code - Exhaust Gas Recirculation Control Circuit Shorted
Quick Answer
The P1407 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates a problem with the Exhaust Gas Recirculation (EGR) control circuit being shorted. Common causes include Faulty EGR valve, Shorted EGR position sensor, Wiring or connector issues in the EGR control circuit. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P1407 2015 GMC Sierra indicates Exhaust Gas Recirculation Control Circuit Shorted.
- Common causes
- Common causes include Faulty EGR valve, Shorted EGR position sensor, Wiring or connector issues in the EGR control circuit.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1407 2015 GMC Sierra Description
The P1407 diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates a problem with the Exhaust Gas Recirculation (EGR) control circuit being shorted. The EGR system is crucial for reducing harmful emissions by recirculating a portion of the exhaust gases back into the engine's intake manifold. This process helps lower combustion temperatures and reduce the formation of nitrogen oxides (NOx).
Common Causes of P1407 2015 GMC Sierra
- Faulty EGR valve
- Shorted EGR position sensor
- Wiring or connector issues in the EGR control circuit
- Failed EGR vacuum solenoid
- Carbon buildup in the EGR system
Symptoms of P1407 2015 GMC Sierra
- Check engine light illuminated
- Decreased fuel efficiency
- Rough idling or engine misfires
- Engine knocking or pinging
- Stalling or hesitation during acceleration
How to Fix P1407 2015 GMC Sierra
- Begin by diagnosing the specific component causing the short in the EGR control circuit using a scan tool to retrieve the trouble codes.
- Inspect the wiring and connectors for any visible damage or corrosion. Repair or replace as needed.
- Test the EGR valve, position sensor, and vacuum solenoid for proper operation. Replace any faulty components.
- Clear the trouble codes and reset the vehicle's computer to see if the issue has been resolved.
- Perform a test drive to ensure the vehicle operates correctly and the check engine light does not reappear.
Cost to Fix P1407 2015 GMC Sierra
The cost of repairing a P1407 code on a 2015 GMC Sierra can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $150 to $500 for parts and labor. Keep in mind that diagnostic time and labor rates can vary, so it's advisable to obtain quotes from local auto repair shops for a more accurate estimate.
Need more information about the P1407 2015 GMC Sierra code?
Need more information on how to fix the P1407 2015 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1407 2015 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1407 2015 GMC Sierra Code
No Frequently Asked Questions about P1407 2015 GMC Sierra Code found.
Discuss the causes and fixes for P1407 2015 GMC Sierra OBDII Code
Code P1407 2015 GMC Sierra 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.