P0333 2016 GMC Sierra Code - Knock Sensor Circuit High Voltage Bank 2
Quick Answer
The P0333 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates that there is a high voltage condition detected in the knock sensor circuit of bank 2. Common causes include Faulty knock sensor, Wiring issues in the knock sensor circuit, Engine detonation. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P0333 2016 GMC Sierra indicates Knock Sensor Circuit High Voltage Bank 2.
- Common causes
- Common causes include Faulty knock sensor, Wiring issues in the knock sensor circuit, Engine detonation.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0333 2016 GMC Sierra Description
The P0333 diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates that there is a high voltage condition detected in the knock sensor circuit of bank 2. The knock sensor is a crucial component in the engine management system that detects abnormal combustion, often referred to as engine "knocking" or "pinging." This abnormal combustion can lead to engine damage if not addressed promptly.
Common Causes of P0333 2016 GMC Sierra
- Faulty knock sensor
- Wiring issues in the knock sensor circuit
- Engine detonation
- Incorrect ignition timing
- Engine mechanical problems
Symptoms of P0333 2016 GMC Sierra
- Engine knocking or pinging noises
- Decreased engine performance
- Reduced fuel efficiency
- Illuminated check engine light
- Engine misfires
How to Fix P0333 2016 GMC Sierra
- Diagnose the issue by using a scan tool to read the DTC and check the knock sensor circuit for any faults.
- Inspect the wiring harness for any damage or loose connections. Repair or replace as necessary.
- Test the knock sensor using a multimeter to ensure it is functioning correctly. Replace if faulty.
- Check and adjust the ignition timing if necessary to prevent engine knocking.
- Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0333 2016 GMC Sierra
The typical repair costs for addressing a P0333 code in a 2016 GMC Sierra can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.
Tech Notes for P0333 2016 GMC Sierra
Need more information about the P0333 2016 GMC Sierra code?
Need more information on how to fix the P0333 2016 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0333 2016 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0333 2016 GMC Sierra Code
No Frequently Asked Questions about P0333 2016 GMC Sierra Code found.
Discuss the causes and fixes for P0333 2016 GMC Sierra OBDII Code
Code P0333 2016 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.