P1153 2018 Chevrolet Silverado Code - HO2S Insufficient Switching Bank 2 Sensor 1
Quick Answer
The Heated Oxygen Sensors (HO2S) are used for fuel control and catalyst monitoring. Common causes include Faulty Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1, Heated Oxygen Sensor Bank 2 Sensor 1 harness is open or shorted, Heated Oxygen Sensor Bank 2 Sensor 1 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
- P1153 2018 Chevrolet Silverado indicates HO2S Insufficient Switching Bank 2 Sensor 1.
- Common causes
- Common causes include Faulty Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1, Heated Oxygen Sensor Bank 2 Sensor 1 harness is open or shorted, Heated Oxygen Sensor Bank 2 Sensor 1 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 P1153 2018 Chevrolet Silverado Description
The heating elements inside each HO2S heat the sensor to bring the sensor up to operating conditions faster. This allows the system to enter Closed Loop earlier and the ECM to calculate the air-to-fuel ratio sooner.
The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the heated oxygen sensor rich-to-lean counts or the lean-to-rich counts are less than a calibrated value greater than 100s.
What are the Possible Causes of the DTC P1153 2018 Chevrolet Silverado?
- Faulty Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
- Heated Oxygen Sensor Bank 2 Sensor 1 harness is open or shorted
- Heated Oxygen Sensor Bank 2 Sensor 1 circuit poor electrical connection
- Low or high fuel system pressure
- Fuel contamination
- Faulty fuel injectors
- Exhaust gas leaks
- Engine vacuum leaks
How to Fix the DTC P1153 2018 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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1153 2018 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 P1153 2018 Chevrolet Silverado Code
1. What does the OBDII code P1153 mean on a 2018 Chevrolet Silverado?
P1153 indicates "HO2S Insufficient Switching Bank 2 Sensor 1," which means the oxygen sensor in front of the catalytic converter on Bank 2 is not switching between rich and lean as expected.
2. What are the common symptoms of code P1153 in a Chevrolet Silverado?
Symptoms may include reduced fuel efficiency, rough idling, engine hesitation, the check engine light turning on, and possible emissions test failure.
3. What causes the P1153 code on a 2018 Chevrolet Silverado?
Common causes include a faulty Bank 2 Sensor 1 oxygen sensor, exhaust leaks, wiring issues, or engine performance problems like a vacuum leak or unbalanced air-fuel ratio.
4. How do I know which side of the engine is Bank 2 on a 2018 Silverado?
Bank 2 refers to the side of the engine with cylinder 2. In a V8 Silverado, this is typically the passenger side.
5. Can I drive my Chevrolet Silverado with a P1153 code?
While the truck may still drive, it's not recommended as it can lead to reduced performance, increased emissions, and potential damage to the catalytic converter over time.
6. How can I fix the P1153 code on my Silverado?
Repair steps often include replacing the Bank 2 Sensor 1 oxygen sensor, checking for exhaust leaks, inspecting wiring and connectors, and ensuring the engine is running with the correct air-fuel balance.
7. How do I test the Bank 2 Sensor 1 oxygen sensor for the P1153 code?
You can use a multimeter to check the sensor’s resistance or a scan tool to monitor live data and confirm if the sensor switches properly between rich and lean conditions.
8. Could a P1153 code be caused by a bad catalytic converter?
It's unlikely but possible. A restricted or damaged catalytic converter could cause abnormal oxygen sensor readings, though this is less common than sensor or wiring issues.
9. How much does it cost to fix a P1153 code on a 2018 Chevrolet Silverado?
The cost varies, but replacing the oxygen sensor typically ranges from $150 to $300, including parts and labor. Additional repairs for wiring or exhaust leaks may increase the cost.
10. How can I prevent the P1153 code from reoccurring?
Regular maintenance, including inspecting oxygen sensors, addressing exhaust or vacuum leaks promptly, and ensuring proper engine tune-ups, can help prevent this code from returning.
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