P026A 2016 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 2016 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 2016 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 2016 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 2016 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 2016 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 2016 Chevrolet Silverado code?
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Frequently Asked Questions about P026A 2016 Chevrolet Silverado Code
1. What does the OBDII code P026A mean on a 2016 Chevrolet Silverado?
The P026A code indicates that the charge air cooler (CAC) is operating with low efficiency, which may affect air intake temperature and engine performance.
2. What are the common symptoms of the P026A code?
Symptoms may include reduced engine power, poor fuel economy, increased exhaust smoke, and an illuminated Check Engine Light.
3. What causes the P026A code on a 2016 Chevrolet Silverado?
Common causes include a clogged or damaged charge air cooler, intake air leaks, sensor issues, or excessive dirt and debris in the CAC.
4. Can driving with the P026A code damage the engine?
Prolonged driving with this code can lead to higher intake air temperatures, which may cause engine overheating or reduced performance over time.
5. How can I diagnose the P026A code?
Use an OBDII scanner to verify the code, inspect the charge air cooler for damage or blockage, check for intake air leaks, and test the air intake temperature sensor.
6. How do you fix the P026A code on a 2016 Chevrolet Silverado?
Repairs may involve cleaning or replacing the charge air cooler, fixing intake air leaks, or replacing faulty sensors.
7. How much does it cost to fix the P026A code?
Repair costs vary depending on the issue but can range from $100 for sensor replacement to $800 or more for charge air cooler replacement.
8. Can a dirty air filter cause the P026A code?
While not a direct cause, a dirty air filter can contribute to restricted airflow, which may affect charge air cooler efficiency.
9. Is the P026A code a common issue for the 2016 Chevrolet Silverado?
This code isn’t extremely common but can occur, especially if the vehicle has been exposed to heavy debris or lacks regular maintenance.
10. Can I clear the P026A code without repairing the issue?
Clearing the code without addressing the problem may temporarily turn off the Check Engine Light, but the issue will likely reoccur.
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