P026A 2017 Chevrolet Silverado Code - Charge Air Cooler Low Efficiency
Quick Answer
The Engine Control Module (ECM) monitors the ambient air temperature, and the charge air temperature before and after the Charge Air Cooler to calculate the efficiency of the Charge Air Cooler (CAC). Common causes include Faulty Charge Air Cooler, Charge Air Cooler harness is open or shorted, Charge Air Cooler 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
- P026A 2017 Chevrolet Silverado indicates Charge Air Cooler Low Efficiency.
- Common causes
- Common causes include Faulty Charge Air Cooler, Charge Air Cooler harness is open or shorted, Charge Air Cooler 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 P026A 2017 Chevrolet Silverado Description
The Charge Air Cooler inlet temperature sensor, located at the turbocharger outlet, and the Charge Air Cooler outlet temperature sensor, located near the intake air flow valve are variable resistors. The ECM supplies 5 V to the signal circuit and a ground for the sensors' low reference circuits.
What are the Possible Causes of the DTC P026A 2017 Chevrolet Silverado?
- Faulty Charge Air Cooler
- Charge Air Cooler harness is open or shorted
- Charge Air Cooler circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P026A 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 P026A 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 P026A 2017 Chevrolet Silverado code?
Need more information on how to fix the P026A 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals
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Frequently Asked Questions about P026A 2017 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P026A in a 2017 Chevrolet Silverado?
- Common symptoms include reduced engine performance, decreased fuel efficiency, and potential rough idling.
2. What does the OBDII code P026A "Charge Air Cooler Low Efficiency" indicate in a 2017 Chevrolet Silverado?
- This code indicates that the charge air cooler is not operating at the expected efficiency, leading to potential issues with the engine's air-fuel mixture.
3. What are the possible causes of OBDII code P026A in a 2017 Chevrolet Silverado?
- Possible causes include a faulty charge air cooler, leaks in the charge air system, clogged air filters, or issues with the turbocharger.
4. How can I diagnose the underlying issue causing OBDII code P026A in my 2017 Chevrolet Silverado?
- Diagnosing the issue may involve inspecting the charge air cooler for damage, checking for leaks in the charge air system, examining the air filters, and testing the turbocharger's functionality.
5. Can I continue driving my 2017 Chevrolet Silverado with OBDII code P026A "Charge Air Cooler Low Efficiency"?
- It is not recommended to continue driving with this code as it can lead to further engine damage and reduced performance. It's best to address the issue promptly.
6. How can I repair OBDII code P026A in my 2017 Chevrolet Silverado?
- Repairing this code may involve replacing the charge air cooler, fixing any leaks in the charge air system, cleaning or replacing air filters, and addressing any turbocharger issues.
7. Is it possible to reset OBDII code P026A in a 2017 Chevrolet Silverado without fixing the underlying issue?
- While you can clear the code with an OBDII scanner, it is not recommended as the issue will likely resurface if the underlying problem is not addressed.
8. Are there any preventive maintenance tips to avoid OBDII code P026A in a 2017 Chevrolet Silverado?
- Regularly inspect and maintain the charge air cooler, check for leaks in the charge air system, replace air filters as recommended, and follow the manufacturer's maintenance schedule for the turbocharger.
9. Can a DIY enthusiast fix OBDII code P026A in a 2017 Chevrolet Silverado?
- Depending on your skill level and access to tools, some components related to this code may be DIY-repairable, but it's advisable to consult a professional for an accurate diagnosis and proper repair.
10. How much can I expect to pay to repair OBDII code P026A "Charge Air Cooler Low Efficiency" in my 2017 Chevrolet Silverado?
- Repair costs can vary depending on the specific issue, parts needed, and labor rates, but you can expect to pay anywhere from a few hundred to over a thousand dollars for this repair.
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