P1407 2017 GMC Sierra Code - Exhaust Gas Recirculation Control Circuit Shorted
Quick Answer
The P1407 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the Exhaust Gas Recirculation (EGR) control circuit being shorted. Common causes include Faulty EGR valve, Shorted EGR solenoid, Damaged wiring or connectors 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 2017 GMC Sierra indicates Exhaust Gas Recirculation Control Circuit Shorted.
- Common causes
- Common causes include Faulty EGR valve, Shorted EGR solenoid, Damaged wiring or connectors 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.
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Code P1407 2017 GMC Sierra Description
The P1407 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the Exhaust Gas Recirculation (EGR) control circuit being shorted. The EGR system is responsible for recirculating a portion of the engine's exhaust gases back into the intake manifold to reduce nitrogen oxide emissions and control combustion temperatures. The EGR control circuit includes various components such as the EGR valve, EGR solenoid, wiring, and connectors.
Common Causes of P1407 2017 GMC Sierra
- Faulty EGR valve
- Shorted EGR solenoid
- Damaged wiring or connectors in the EGR control circuit
- Corrosion or carbon buildup in the EGR system
- PCM software issues
Symptoms of P1407 2017 GMC Sierra
- Check Engine Light illuminated
- Rough idling or stalling
- Decreased fuel efficiency
- Engine misfires
- Increased emissions
How to Fix P1407 2017 GMC Sierra
- Begin by diagnosing the EGR control circuit using a scan tool to verify the P1407 code and pinpoint the exact cause of the short circuit.
- Inspect the EGR valve, solenoid, wiring, and connectors for any damage, corrosion, or carbon buildup.
- Test the EGR valve and solenoid for proper operation and electrical resistance.
- Replace any faulty components such as the EGR valve, solenoid, or damaged wiring and connectors.
- Clear the trouble code from the PCM memory and perform a road test to ensure the issue has been resolved.
Cost to Fix P1407 2017 GMC Sierra
The typical repair costs for addressing a P1407 code on a 2017 GMC Sierra can range from $150 to $500, depending on the specific cause of the issue and the cost of replacement parts. This estimate includes parts and labor but does not account for additional diagnostic fees that may be charged by auto repair shops. As mentioned earlier, labor rates can vary between $80 and $150 per hour, so it's advisable to inquire about local rates for a more accurate cost estimate.
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