P140F 2015 Chevrolet Silverado Code - Exhaust Gas Recirculation Motor Current Performance
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 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
- P140F 2015 Chevrolet Silverado indicates Exhaust Gas Recirculation Motor Current Performance.
- 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
- 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 P140F 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P140F 2015 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 P140F 2015 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 P140F 2015 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 P140F 2015 Chevrolet Silverado Code
1. What does the OBDII code P140F mean on a 2015 Chevrolet Silverado?
P140F refers to "Exhaust Gas Recirculation (EGR) Motor Current Performance," indicating a problem with the EGR motor's operation or electrical performance.
2. What are the symptoms of the P140F code on a 2015 Chevy Silverado?
Common symptoms include reduced engine performance, poor fuel economy, rough idling, and potential illumination of the check engine light.
3. What causes the P140F code to appear on a 2015 Chevrolet Silverado?
The code can be caused by a faulty EGR motor, wiring or connector issues, carbon buildup in the EGR system, or a malfunctioning EGR valve.
4. Can a dirty EGR valve trigger the P140F code?
Yes, carbon buildup or debris in the EGR valve can restrict movement and cause the motor to perform outside of its expected range.
5. How can I diagnose the P140F code on my Silverado?
Check the EGR motor and valve for proper operation, inspect wiring and connectors for damage, and clean the EGR system to remove carbon buildup.
6. Is it safe to drive with the P140F code on my 2015 Chevy Silverado?
While the vehicle may still run, driving with this code can lead to poor engine performance and potential long-term damage if not addressed.
7. How do I fix the P140F code on my Silverado?
Repairs may include cleaning the EGR valve, replacing the EGR motor, or repairing any damaged wiring or connectors in the EGR circuit.
8. How much does it cost to fix the P140F code on a 2015 Silverado?
Repair costs can vary but may range from $150 to $600 depending on whether the EGR motor or valve needs replacement or just cleaning.
9. Can software issues cause the P140F code on a 2015 Chevrolet Silverado?
In rare cases, a PCM (Powertrain Control Module) software update may be required if the issue persists after addressing mechanical or electrical causes.
10. Will clearing the P140F code fix the issue permanently?
Clearing the code may turn off the check engine light temporarily, but the underlying problem must be resolved to prevent the code from returning.
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