P0627 2015 Chevrolet Silverado Code - Fuel Pump Speed Output Circuit
Quick Answer
The Engine Control Module (ECM) supplies voltage to the fuel pump driver control module for 30 s when the ignition is on and continuously when the engine is running. Common causes include Faulty Fuel Pump Driver Control Module, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver Control Module 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
- P0627 2015 Chevrolet Silverado indicates Fuel Pump Speed Output Circuit.
- Common causes
- Common causes include Faulty Fuel Pump Driver Control Module, Fuel Pump Driver Control Module harness is open or shorted, Fuel Pump Driver Control Module 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 P0627 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0627 2015 Chevrolet Silverado?
- Faulty Fuel Pump Driver Control Module
- Fuel Pump Driver Control Module harness is open or shorted
- Fuel Pump Driver Control Module circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0627 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 P0627 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 P0627 2015 Chevrolet Silverado Code
1. What does the OBDII code P0627 mean on a 2015 Chevrolet Silverado?
P0627 indicates an issue with the fuel pump speed output circuit, which controls the fuel pump's operation.
2. What are the common symptoms of code P0627 in a 2015 Chevrolet Silverado?
Symptoms may include engine stalling, difficulty starting, reduced fuel efficiency, or the engine not starting at all.
3. What causes the P0627 code on a 2015 Chevrolet Silverado?
Common causes include a faulty fuel pump, damaged wiring or connectors in the fuel pump circuit, a failing fuel pump control module, or issues with the PCM.
4. Can I drive my 2015 Chevrolet Silverado with a P0627 code?
It’s not recommended, as the fuel pump may fail completely, leaving you stranded or causing engine damage due to improper fuel delivery.
5. How do I diagnose code P0627 on a 2015 Chevrolet Silverado?
Start by checking the wiring and connectors for damage, inspect the fuel pump and control module, and use a scan tool to monitor fuel pump operation.
6. How do I fix the P0627 code on my 2015 Chevrolet Silverado?
Repairs may include replacing a faulty fuel pump, repairing or replacing damaged wiring, or replacing the fuel pump control module if it’s defective.
7. How much does it cost to repair code P0627 on a 2015 Chevrolet Silverado?
Repair costs can vary but typically range from $300 to $1,000 depending on whether the issue is with the fuel pump, wiring, or control module.
8. Can a bad PCM cause a P0627 code in a 2015 Chevrolet Silverado?
Yes, a malfunctioning PCM can sometimes cause this code if it fails to properly control the fuel pump circuit.
9. What tools are needed to troubleshoot a P0627 code on a 2015 Chevrolet Silverado?
You’ll need a scan tool, a digital multimeter, and possibly a repair manual for wiring diagrams specific to your vehicle.
10. Does a P0627 code always mean the fuel pump is bad on a 2015 Chevrolet Silverado?
No, the issue could also be due to wiring problems, a faulty control module, or even a PCM issue. Proper diagnosis is crucial.
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