AutoCodes – Audi – P2333 Audi

P2333 Audi Code - Ignition Coil 12 Primary Control Circuit Low

Quick Answer

The current flow, or dwell, through the primary ignition coil is controlled by the Powertrain Control Module (PCM) by providing a switched ground path through the ignition coil driver to ground. Common causes include Faulty Ignition Coil 12, Ignition Coil 12 harness is open or shorted, Ignition Coil 12 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
P2333 Audi indicates Ignition Coil 12 Primary Control Circuit Low.
Common causes
Common causes include Faulty Ignition Coil 12, Ignition Coil 12 harness is open or shorted, Ignition Coil 12 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.
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Code Popularity 1,417
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P2333 Audi Description

The current flow, or dwell, through the primary ignition coil is controlled by the Powertrain Control Module (PCM) by providing a switched ground path through the ignition coil driver to ground. When the ignition coil driver is switched on, current rapidly builds up to a maximum value, determined by the coil inductance and resistance. When the current is switched off, the magnetic field collapses which induces a secondary high voltage surge and the spark plug is fired. This high voltage surge creates a flyback voltage which the PCM uses as a feedback during the ignition diagnostics. The PCM continuously monitors the ignition system for concerns. The P2333 code sets when the PCM detects a short to voltage in the circuit.
OBDII Code P2333 Audi - Ignition Coil 12 Primary Control Circuit Low - AutoCodes.com
P2333 Audi Code - Ignition Coil 12 Primary Control Circuit Low

What are the Possible Causes of the DTC P2333 Audi?

  • Faulty Ignition Coil 12
  • Ignition Coil 12 harness is open or shorted
  • Ignition Coil 12 circuit poor electrical connection

How to Fix the DTC P2333 Audi?

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 P2333 Audi 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 P2333 Audi code?

Need more information on how to fix the P2333 Audi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2333 Audi code diagnosed by a professional: Find a repair shop in your area

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 P2333 Audi Code

1. What are the common symptoms of OBDII code P2333 in an Audi related to Ignition Coil 12 Primary Control Circuit Low?

- Common symptoms include engine misfires, rough idling, loss of power, and illuminated check engine light.

2. What could be the possible causes of OBDII code P2333 in an Audi?

- Possible causes include a faulty ignition coil, wiring issues in the ignition coil circuit, poor electrical connection, or a damaged PCM.

3. How can I diagnose the OBDII code P2333 in my Audi related to Ignition Coil 12 Primary Control Circuit Low?

- Diagnosis involves inspecting the ignition coil and its wiring for any visible damage, testing the electrical connections, and using a diagnostic scanner to check for specific faults.

4. Can a DIY enthusiast repair OBDII code P2333 related to Ignition Coil 12 Primary Control Circuit Low in an Audi?

- While some enthusiasts may be able to replace the ignition coil themselves, diagnosing and repairing electrical issues within the circuit may require professional expertise.

5. Is it safe to continue driving my Audi with OBDII code P2333 related to Ignition Coil 12 Primary Control Circuit Low?

- It is not recommended to drive the vehicle with this code present, as it can lead to further engine damage and reduced performance.

6. How much does it typically cost to repair OBDII code P2333 in an Audi due to Ignition Coil 12 Primary Control Circuit Low?

- The cost can vary depending on the root cause of the issue, but it may range from $100 to $300 for parts and labor.

7. Are there any preventive measures I can take to avoid OBDII code P2333 related to Ignition Coil 12 Primary Control Circuit Low in my Audi?

- Regular maintenance checks, such as inspecting and replacing ignition coils as recommended, can help prevent this issue.

8. Can weather conditions affect the triggering of OBDII code P2333 in an Audi related to Ignition Coil 12 Primary Control Circuit Low?

- Extreme weather conditions, such as extreme heat or moisture, can potentially exacerbate existing ignition coil issues and trigger this code.

9. How long does it typically take to repair OBDII code P2333 in an Audi caused by Ignition Coil 12 Primary Control Circuit Low?

- The repair process can usually be completed within a few hours, but it may take longer depending on the severity of the issue and availability of parts.

10. Will resetting the OBDII code P2333 related to Ignition Coil 12 Primary Control Circuit Low in my Audi make it go away permanently?

- Resetting the code without addressing the underlying issue will only temporarily clear the check engine light, and the problem is likely to resurface.

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