P064A 2016 GMC Sierra Code - Fuel Pump Control Module Performance
Quick Answer
The Engine Control Module (ECM) supplies voltage to the fuel pump control module when the ECM detects that the ignition is on. Common causes include Faulty Fuel Pump Control Module, Fuel Pump Control Module harness is open or shorted, Fuel Pump 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
- P064A 2016 GMC Sierra indicates Fuel Pump Control Module Performance.
- Common causes
- Common causes include Faulty Fuel Pump Control Module, Fuel Pump Control Module harness is open or shorted, Fuel Pump 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 P064A 2016 GMC Sierra Description
What are the Possible Causes of the DTC P064A 2016 GMC Sierra?
- Faulty Fuel Pump Control Module
- Fuel Pump Control Module harness is open or shorted
- Fuel Pump Control Module circuit poor electrical connection
How to Fix the DTC P064A 2016 GMC Sierra?
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 P064A 2016 GMC Sierra 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 P064A 2016 GMC Sierra code?
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Frequently Asked Questions about P064A 2016 GMC Sierra Code
1. What does the OBDII code P064A mean on a 2016 GMC Sierra?
P064A indicates a Fuel Pump Control Module (FPCM) Performance issue, meaning the module isn't functioning as expected or is outside its normal operating range.
2. What are the common symptoms of code P064A in a 2016 GMC Sierra?
Symptoms may include difficulty starting the engine, poor fuel efficiency, reduced engine performance, and, in some cases, the engine stalling.
3. What causes the P064A code to trigger in a GMC Sierra?
Common causes include a faulty Fuel Pump Control Module, wiring issues like corrosion or damage, software glitches, or a failing fuel pump.
4. Can a failing fuel pump cause the P064A code?
Yes, a failing or malfunctioning fuel pump can cause the Fuel Pump Control Module to perform improperly, triggering the P064A code.
5. How do you diagnose the P064A code in a 2016 GMC Sierra?
Diagnosis involves checking the FPCM for faults, inspecting wiring and connectors for damage or corrosion, and verifying fuel pump operation.
6. Can a software update fix the P064A code in my GMC Sierra?
In some cases, a software update for the Fuel Pump Control Module may resolve performance issues if the problem is related to programming.
7. Is it safe to drive with the P064A code on a 2016 GMC Sierra?
Driving with this code can lead to reduced performance or stalling, which may be unsafe. It's best to address the issue promptly.
8. How much does it cost to fix the P064A code on a GMC Sierra?
Repair costs can vary but may range from $200 to $600 depending on whether the FPCM needs replacement, wiring repairs, or reprogramming.
9. Can I reset the P064A code without fixing the problem?
Clearing the code without addressing the root cause may result in it returning, as the underlying issue will persist.
10. What tools are needed to diagnose and repair the P064A code?
You’ll need an OBDII scanner, a multimeter for testing wiring, and potentially programming tools if a module update or reprogramming is required.
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