P133A 2016 Chevrolet Silverado Code - Cylinder 3 Glow Plug Offset Exceeded Learning Limit
Quick Answer
The Glow Plug Control Module has not learned the glow plug offset values. Common causes include Perform Glow Plug Learn procedure, Faulty Glow Plug 3, Glow Plug 3 harness is open or shorted. 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
- P133A 2016 Chevrolet Silverado indicates Cylinder 3 Glow Plug Offset Exceeded Learning Limit.
- Common causes
- Common causes include Perform Glow Plug Learn procedure, Faulty Glow Plug 3, Glow Plug 3 harness is open or shorted.
- 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 P133A 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P133A 2016 Chevrolet Silverado?
- Perform Glow Plug Learn procedure
- Faulty Glow Plug 3
- Glow Plug 3 harness is open or shorted
- Glow Plug 3 circuit poor electrical connection
How to Fix the DTC P133A 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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P133A 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 P133A 2016 Chevrolet Silverado code?
Need more information on how to fix the P133A 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P133A 2016 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P133A 2016 Chevrolet Silverado Code
What does the OBDII code P133A mean on a 2016 Chevrolet Silverado?
P133A indicates that the glow plug offset for cylinder 3 has exceeded the learning limit, meaning the engine control module (ECM) has detected an issue with the glow plug's performance or calibration.
What are the common symptoms of code P133A in a 2016 Chevrolet Silverado?
Symptoms may include a check engine light, difficulty starting the engine in cold weather, rough idling, or reduced engine performance in some cases.
What causes the P133A code to appear?
Common causes include a faulty glow plug, poor electrical connections to the glow plug, a damaged glow plug controller, or an issue with the ECM's calibration.
How can I diagnose the P133A code?
Start by inspecting the glow plug and its wiring for damage or loose connections. Use a scan tool to check live data and verify the glow plug's resistance. Perform a visual inspection of the glow plug controller if necessary.
Can I drive my 2016 Chevrolet Silverado with the P133A code?
While it may be possible to drive with this code, it is not recommended as it can lead to harder cold starts, increased emissions, or further damage to the engine.
How do I fix the P133A code?
Common fixes include replacing the faulty glow plug, repairing damaged wiring or connectors, updating the ECM's software, or replacing the glow plug controller if defective.
How much does it cost to fix the P133A code?
The cost can vary but typically ranges from $100 to $300 for a glow plug replacement, depending on labor costs and parts pricing.
Can a faulty battery cause the P133A code?
Yes, a weak or failing battery can cause insufficient power to the glow plug system, potentially triggering this code.
Does cold weather make the P133A code more noticeable?
Yes, cold weather can exacerbate starting issues or performance problems associated with a faulty glow plug, making the symptoms more apparent.
Will clearing the P133A code with a scan tool fix the problem?
Clearing the code may temporarily turn off the check engine light, but the underlying issue must be resolved to prevent the code from returning.
Discuss the causes and fixes for P133A 2016 Chevrolet Silverado OBDII Code
Code P133A 2016 Chevrolet Silverado 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.
