P1407 2017 Chevrolet Silverado Code - Exhaust Gas Recirculation Control Circuit Shorted
Quick Answer
The Engine Control Module (ECM) supplies the Exhaust Gas Recirculation (EGR) valve with a 5 V reference circuit, a low reference circuit, an H-bridge motor directional control circuit, and a signal circuit. Common causes include Faulty Exhaust Gas Recirculation (EGR) Valve, Exhaust Gas Recirculation Valve harness is open or shorted, Exhaust Gas Recirculation Valve circuit poor electrical connection. 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 Chevrolet Silverado indicates Exhaust Gas Recirculation Control Circuit Shorted.
- Common causes
- Common causes include Faulty Exhaust Gas Recirculation (EGR) Valve, Exhaust Gas Recirculation Valve harness is open or shorted, Exhaust Gas Recirculation Valve circuit poor electrical connection.
- 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.
Code P1407 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P1407 2017 Chevrolet Silverado?
- Faulty Exhaust Gas Recirculation (EGR) Valve
- Exhaust Gas Recirculation Valve harness is open or shorted
- Exhaust Gas Recirculation Valve circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P1407 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 P1407 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 P1407 2017 Chevrolet Silverado code?
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Frequently Asked Questions about P1407 2017 Chevrolet Silverado Code
1. What does the OBDII code P1407 mean on a 2017 Chevrolet Silverado?
P1407 indicates a problem with the Exhaust Gas Recirculation (EGR) control circuit, specifically a shorted condition.
2. What are the symptoms of code P1407 in a 2017 Chevrolet Silverado?
Common symptoms include reduced engine performance, rough idle, increased emissions, and the Check Engine Light turning on.
3. What causes the P1407 code in a 2017 Chevrolet Silverado?
The most common causes are a short circuit in the EGR wiring, a faulty EGR valve, or a problem with the EGR control solenoid.
4. Can I drive my 2017 Chevrolet Silverado with the P1407 code?
While the truck may still be drivable, it is not recommended due to potential reduced fuel efficiency, increased emissions, and possible long-term damage.
5. How do I diagnose the P1407 code on a 2017 Chevrolet Silverado?
Begin by inspecting the EGR wiring and connectors for damage or corrosion, test the EGR valve, and use a multimeter to check for continuity in the control circuit.
6. How do I fix the P1407 code on my 2017 Chevrolet Silverado?
Repairs may include replacing the EGR valve, repairing or replacing damaged wiring, or replacing a faulty EGR control solenoid.
7. How much does it cost to repair a P1407 code on a 2017 Chevrolet Silverado?
Repair costs can range from $150 to $500, depending on whether the issue is with the EGR valve, wiring, or solenoid.
8. Can a dirty EGR valve cause the P1407 code?
Yes, a dirty or clogged EGR valve can cause electrical issues, including circuit shorts, leading to the P1407 code.
9. Will clearing the P1407 code fix the problem permanently?
No, clearing the code will only reset the Check Engine Light. The underlying issue must be repaired to prevent the code from returning.
10. Can a bad PCM cause the P1407 code in a 2017 Chevrolet Silverado?
While rare, a malfunctioning Powertrain Control Module (PCM) could cause this code, but it is usually a last resort after ruling out other causes.
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