P0264 GMC Code - Cylinder 2 Injector Control Circuit Low Voltage
Quick Answer
The Engine Control Module (ECM) supplies voltage to each Fuel Injector on the high control circuits. Common causes include Dirty Fuel Injector 2, Faulty Fuel Injector 2, Plugged Fuel Injector 2. 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
- P0264 GMC indicates Cylinder 2 Injector Control Circuit Low Voltage.
- Common causes
- Common causes include Dirty Fuel Injector 2, Faulty Fuel Injector 2, Plugged Fuel Injector 2.
- 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 P0264 GMC Description
What are the Possible Causes of the DTC P0264 GMC?
- Dirty Fuel Injector 2
- Faulty Fuel Injector 2
- Plugged Fuel Injector 2
- Fuel Injector #2 harness is open or shorted
- Fuel Injector #2 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0264 GMC?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0264 GMC 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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Information for Specific GMC Models
- P0264 2014 GMC Sierra — Cylinder 2 Injector Control Circuit Low Voltage
- P0264 2015 GMC Sierra — Cylinder 2 Injector Control Circuit Low Voltage
- P0264 2016 GMC Sierra — Cylinder 2 Injector Control Circuit Low Voltage
- P0264 2017 GMC Sierra — Cylinder 2 Injector Control Circuit Low Voltage
- P0264 2018 GMC Sierra — Cylinder 2 Injector Control Circuit Low Voltage
Frequently Asked Questions about P0264 GMC Code
What does OBDII code P0264 mean on a GMC vehicle?
P0264 indicates that the cylinder 2 injector control circuit is experiencing low voltage, which can affect engine performance.
What are the common symptoms of code P0264 on a GMC?
Symptoms include rough idling, poor engine performance, increased fuel consumption, and potential misfires.
What causes the P0264 code on a GMC vehicle?
Common causes include a faulty fuel injector, damaged wiring or connectors, a malfunctioning PCM, or low fuel pressure.
Can I drive my GMC with the P0264 code?
It’s not recommended. Driving with this code may result in decreased engine efficiency and potential damage to other components.
How is the P0264 code diagnosed on a GMC?
A mechanic will inspect the injector circuit, check wiring and connectors, test the fuel injector, and possibly scan the PCM for further issues.
How do you fix the P0264 code on a GMC vehicle?
Repairs may include replacing the faulty injector, repairing damaged wiring, cleaning connectors, or reprogramming or replacing the PCM.
Can a dirty fuel injector cause the P0264 code on a GMC?
Yes, a dirty or clogged injector can disrupt electrical signals and cause the low voltage issue.
How much does it cost to fix the P0264 code on a GMC?
Repair costs vary but typically range from $200 to $500, depending on whether the injector or wiring needs replacement.
Will clearing the code erase the P0264 problem on a GMC?
Clearing the code may temporarily remove it, but the underlying issue must be resolved to prevent it from returning.
Can a failing PCM cause the P0264 code on my GMC?
Yes, a failing PCM can mismanage the injector control circuit, leading to the P0264 code.
Discuss the causes and fixes for P0264 GMC OBDII Code
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