AutoCodes – Dodge – P2333 Dodge

P2333 Dodge Code - Ignition Coil 'L' 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 'L', Ignition Coil 'L' harness is open or shorted, Ignition Coil 'L' 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 Dodge indicates Ignition Coil 'L' Primary Control Circuit Low.
Common causes: Common causes include Faulty Ignition Coil 'L', Ignition Coil 'L' harness is open or shorted, Ignition Coil 'L' 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 3,091

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2333 Dodge 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 Dodge - Ignition Coil 'L' Primary Control Circuit Low - AutoCodes.com — P2333 Dodge Code - Ignition Coil 'L' Primary Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC P2333 Dodge?

Faulty Ignition Coil 'L'
Ignition Coil 'L' harness is open or shorted
Ignition Coil 'L' circuit poor electrical connection

How to Fix the DTC P2333 Dodge?

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 Dodge 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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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 Dodge Code

1. What does the OBDII code P2333 mean on a Dodge vehicle?

P2333 indicates an issue with the Ignition Coil 'L' Primary Control Circuit, specifically that the voltage is lower than expected.

2. What are the common symptoms of the P2333 code in a Dodge?

Symptoms may include engine misfiring, rough idling, poor acceleration, reduced fuel efficiency, and the Check Engine Light turning on.

3. What causes the P2333 code to appear on a Dodge?

Common causes include a faulty ignition coil, damaged wiring or connectors in the circuit, a malfunctioning PCM (Powertrain Control Module), or corrosion in the electrical connections.

4. Can a bad ignition coil trigger the P2333 code?

Yes, a faulty ignition coil can directly cause the P2333 code by disrupting the primary control circuit voltage.

5. How do I diagnose the P2333 code in a Dodge?

Start by visually inspecting the ignition coil and its wiring for damage or corrosion. Use a multimeter to check for proper voltage and continuity, and scan for additional codes that might provide more context.

6. Is it safe to drive with a P2333 code in a Dodge?

Driving with a P2333 code is not recommended, as it can lead to engine misfires, reduced performance, and potential damage to other engine components like the catalytic converter.

7. How can I fix the P2333 code on my Dodge?

Repair steps may include replacing the faulty ignition coil, repairing or replacing damaged wiring or connectors, cleaning corroded terminals, or reprogramming or replacing the PCM if necessary.

8. How much does it cost to repair a P2333 code on a Dodge?

Repair costs can vary, but replacing an ignition coil typically costs between $100 and $300, depending on parts and labor. Additional costs may arise if wiring or PCM repairs are required.

9. Can a weak battery cause the P2333 code in a Dodge?

While unlikely, a weak or failing battery can cause electrical issues that might indirectly contribute to this code. It's worth checking the battery and charging system during diagnosis.

10. Does the P2333 code affect all Dodge models the same way?

The P2333 code applies universally to Dodge vehicles with OBDII systems, but specific symptoms and repair procedures may vary slightly depending on the model and engine type.