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Engine-Codes – Chevrolet – P133D 2016 Chevrolet Silverado

P133D 2016 Chevrolet Silverado Code - Cylinder 6 Glow Plug Offset Exceeded Learning Limit

Quick Answer

The P133D trouble code specifically refers to an issue with the glow plug in cylinder 6 of a 2016 Chevrolet Silverado. Common causes include Faulty glow plug in cylinder 6, Malfunctioning glow plug control module, Wiring issues or a poor connection to the glow plug. 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
P133D 2016 Chevrolet Silverado indicates Cylinder 6 Glow Plug Offset Exceeded Learning Limit.
Common causes
Common causes include Faulty glow plug in cylinder 6, Malfunctioning glow plug control module, Wiring issues or a poor connection to the glow plug.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P133D 2016 Chevrolet Silverado Description

The P133D trouble code specifically refers to an issue with the glow plug in cylinder 6 of a 2016 Chevrolet Silverado. Glow plugs are crucial components in diesel engines that help with cold starts by heating the air in the combustion chamber. When the glow plug in cylinder 6 exceeds the learning limit, it means that the engine control module (ECM) has detected that the glow plug's offset value is outside of the expected range. This can lead to difficulties starting the engine, reduced fuel efficiency, rough idling, and potentially even engine misfires.

OBDII Code P133D 2016 Chevrolet Silverado - Cylinder 6 Glow Plug Offset Exceeded Learning Limit
P133D 2016 Chevrolet Silverado Code - Cylinder 6 Glow Plug Offset Exceeded Learning Limit

Common Causes of P133D 2016 Chevrolet Silverado

  1. Faulty glow plug in cylinder 6.
  2. Malfunctioning glow plug control module.
  3. Wiring issues or a poor connection to the glow plug.
  4. ECM software or hardware problems.
  5. Exposure to extreme temperatures or harsh driving conditions.

Symptoms of P133D 2016 Chevrolet Silverado

  1. Difficulty starting the engine, especially in cold weather.
  2. Reduced fuel efficiency.
  3. Rough idling or vibrations when the engine is running.
  4. Engine misfires or hesitation during acceleration.
  5. Illumination of the check engine light on the dashboard.

How to Fix P133D 2016 Chevrolet Silverado

  1. Begin by connecting a diagnostic scanner to the vehicle's OBD-II port to retrieve the trouble code and identify the specific cylinder affected.
  2. Inspect the glow plug in cylinder 6 for any signs of damage or wear and replace it if necessary.
  3. Check the glow plug control module and wiring for any faults or loose connections and repair as needed.
  4. Clear the trouble code from the ECM's memory using the diagnostic scanner and test the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to pinpoint the root cause of the issue, such as testing the ECM or checking for any underlying electrical problems.

Cost to Fix P133D 2016 Chevrolet Silverado

The typical repair costs for addressing a P133D trouble code in a 2016 Chevrolet Silverado can range from $200 to $500, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops may offer lower rates. It's advisable to obtain quotes from multiple shops to get a more accurate estimate for the repair.

What does this mean?

Tech Notes for P133D 2016 Chevrolet Silverado

If a Glow Plug was replaced, perform a Glow Plug Learn procedure with a Scan Tool.

Need more information about the P133D 2016 Chevrolet Silverado code?

Need more information on how to fix the P133D 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P133D 2016 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P133D on a 2016 Chevrolet Silverado?

- Common symptoms include rough idling, reduced engine performance, and the illumination of the Check Engine light.

2. What does the OBDII code P133D indicate on a 2016 Chevrolet Silverado?

- The code P133D signifies that the Cylinder 6 Glow Plug Offset has exceeded the learning limit set by the engine control module.

3. What are the possible causes of OBDII code P133D on a 2016 Chevrolet Silverado?

- The code P133D can be triggered by issues such as a faulty glow plug, wiring problems, software glitches, or a malfunctioning engine control module.

4. How can I diagnose OBDII code P133D on my 2016 Chevrolet Silverado?

- Diagnosing code P133D involves conducting a thorough inspection of the glow plug system, checking for wiring faults, and using a diagnostic scanner to read the code and related data.

5. Can I continue driving my 2016 Chevrolet Silverado with OBDII code P133D?

- It is not recommended to drive your vehicle with code P133D, as it can lead to further engine damage and decreased performance. It's best to address the issue promptly.

6. How can I repair OBDII code P133D on a 2016 Chevrolet Silverado?

- Repairing code P133D may involve replacing the faulty glow plug, repairing any wiring issues, updating the engine control module software, or resetting the learned values for the glow plug system.

7. Is it possible to reset OBDII code P133D on a 2016 Chevrolet Silverado without fixing the underlying issue?

- While you can clear the code temporarily, it is crucial to address the root cause of code P133D to prevent it from recurring and potentially causing more significant problems.

8. How much does it typically cost to fix OBDII code P133D on a 2016 Chevrolet Silverado?

- The cost of repairing code P133D can vary depending on the exact cause of the issue, but it may range from $100 to $500, including parts and labor.

9. Can a DIY enthusiast fix OBDII code P133D on a 2016 Chevrolet Silverado?

- While some simple repairs like replacing a glow plug can be done by DIY enthusiasts, diagnosing and repairing complex issues related to code P133D may require professional expertise.

10. How can I prevent OBDII code P133D from appearing on my 2016 Chevrolet Silverado in the future?

- Regular maintenance, such as checking the glow plug system, ensuring proper wiring connections, and promptly addressing any related issues, can help prevent code P133D from recurring.

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