P2403 Code - Evaporative Emission System Leak Detection Pump Sense Circuit/Open
Quick Answer
The Engine Control Module (ECM) checks power consumption on the Leak Detection Pump. Common causes include Faulty Leak Detection Pump, Leak Detection Pump harness is open or shorted, Leak Detection Pump 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
- P2403 indicates Evaporative Emission System Leak Detection Pump Sense Circuit/Open.
- Common causes
- Common causes include Faulty Leak Detection Pump, Leak Detection Pump harness is open or shorted, Leak Detection Pump 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.
Code P2403 Description
What are the Possible Causes of the DTC P2403?
- Faulty Leak Detection Pump
- Leak Detection Pump harness is open or shorted
- Leak Detection Pump circuit poor electrical connection
- Faulty Purge Valve
- Clogged or damaged charcoal canister
How to Fix the DTC P2403?
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 P2403 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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Need Help with the Code?
Get the P2403 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P2403 Dodge — Evaporative Emission System Leak Detection Pump Sense Circuit/Open
Frequently Asked Questions about P2403 Code
1. What are the common symptoms of OBDII code P2403?
The common symptoms of code P2403 include the illumination of the Check Engine Light (CEL) on the dashboard, decreased fuel efficiency, and potential difficulty starting the vehicle.
2. What causes OBDII code P2403 to trigger?
Code P2403 is typically triggered by a fault in the evaporative emission system's leak detection pump sense circuit, often due to a damaged or malfunctioning leak detection pump or issues with the wiring or connections in the circuit.
3. How serious is OBDII code P2403?
While OBDII code P2403 may not cause immediate drivability issues, it is important to address this problem promptly as it relates to the vehicle's emissions control system. Ignoring the code can lead to increased emissions and potential long-term damage to the engine or catalytic converter.
4. Can I continue driving with OBDII code P2403 present?
It is generally safe to drive the vehicle with code P2403, but it is recommended to have the issue diagnosed and repaired as soon as possible to prevent any further damage to the emissions system and ensure continued efficient operation of the vehicle.
5. How can I diagnose OBDII code P2403?
Diagnosing code P2403 involves using a diagnostic scanner to retrieve the specific code, followed by a thorough inspection of the evaporative emission system components, including the leak detection pump, hoses, and electrical connections, to identify the root cause of the issue.
6. What are some repair tips for resolving OBDII code P2403?
Repairing code P2403 may involve replacing the leak detection pump, repairing damaged wiring or connections in the sense circuit, and clearing the code from the vehicle's computer system. It is advisable to consult a professional mechanic for an accurate diagnosis and repair.
7. Can a DIY enthusiast fix OBDII code P2403 at home?
While some DIY enthusiasts may have the skills to address code P2403, it is recommended to seek professional help for diagnosing and repairing this issue, especially when it involves components of the vehicle's evaporative emission system that require specialized knowledge and tools.
8. How much does it typically cost to repair OBDII code P2403?
The cost of repairing code P2403 can vary depending on the root cause of the issue, the extent of the damage, and the labor rates in your area. On average, you can expect to pay anywhere from $100 to $500 for parts and labor.
9. What happens if I ignore OBDII code P2403?
Ignoring code P2403 can lead to increased emissions from the vehicle, potential failures in emissions tests, decreased fuel efficiency, and long-term damage to the engine or catalytic converter. It is best to address the issue promptly to avoid these consequences.
10. Can resetting the Check Engine Light resolve OBDII code P2403?
Simply resetting the Check Engine Light without diagnosing and repairing the root cause of code P2403 will not resolve the underlying issue. The light may temporarily go off, but the code is likely to reappear until the problem is fixed.
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