P0403 Chrysler Code - Exhaust Gas Recirculation Control Circuit Open
Quick Answer
The P0403 code for Chrysler vehicles indicates a problem with the Exhaust Gas Recirculation (EGR) control circuit being open. Common causes include Faulty EGR valve, Wiring or connector issues in the EGR control circuit, Carbon buildup in the EGR system. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P0403 Chrysler indicates Exhaust Gas Recirculation Control Circuit Open.
- Common causes
- Common causes include Faulty EGR valve, Wiring or connector issues in the EGR control circuit, Carbon buildup in the EGR system.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0403 Chrysler Description
The P0403 code for Chrysler vehicles indicates a problem with the Exhaust Gas Recirculation (EGR) control circuit being open. The EGR system is responsible for recirculating a portion of the engine's exhaust gas back into the intake manifold to reduce emissions and control combustion temperatures. When the control circuit is open, it means that there is a malfunction in the circuit that controls the EGR valve, preventing it from operating properly. This can lead to increased emissions, reduced fuel efficiency, and potential engine performance issues.
Common Causes of P0403 Chrysler
- Faulty EGR valve
- Wiring or connector issues in the EGR control circuit
- Carbon buildup in the EGR system
- Vacuum leaks in the EGR system
- ECM (Engine Control Module) failure
Symptoms of P0403 Chrysler
- Check engine light illuminated on the dashboard
- Engine stalling or rough idle
- Decreased fuel efficiency
- Increased emissions
- Engine knocking or pinging noises
How to Fix P0403 Chrysler
- Begin by diagnosing the specific cause of the P0403 code using a scan tool to pinpoint the issue.
- Inspect the EGR valve for proper operation and clean or replace it if necessary.
- Check the wiring and connectors in the EGR control circuit for any damage or corrosion, repairing or replacing as needed.
- Clean out any carbon buildup in the EGR system, including the intake manifold and EGR passages.
- If the issue persists, consider replacing the ECM if it is determined to be faulty.
Cost to Fix P0403 Chrysler
The cost of repairing a P0403 code for a Chrysler vehicle can vary depending on the specific cause of the issue. On average, the parts for this repair can range from $100 to $300, while the labor costs can range from $100 to $250. Overall, the total repair cost can be anywhere from $200 to $550. It is important to note that these are approximate estimates, and actual costs may vary based on factors such as location, vehicle model, and labor rates.
Tech Notes for P0403 Chrysler
User submitted video
When is the Code Detected?
Need more information about the P0403 Chrysler code?
Need more information on how to fix the P0403 Chrysler code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0403 Chrysler code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0403 Chrysler Code
1. What are some common symptoms of OBDII code P0403 in a Chrysler vehicle?
- Common symptoms of P0403 may include a check engine light, rough idling, engine hesitation, decreased fuel efficiency, and failed emissions test.
2. What does the OBDII code P0403 indicate in a Chrysler vehicle?
- OBDII code P0403 typically indicates an issue with the Exhaust Gas Recirculation (EGR) control circuit being open, meaning there is a lack of flow or signal within the EGR system.
3. What are the possible causes of OBDII code P0403 in a Chrysler vehicle?
- The most common causes of P0403 include a faulty EGR valve, damaged EGR solenoid, clogged EGR passages, wiring issues, or a malfunctioning EGR position sensor.
4. How can I diagnose the OBDII code P0403 in my Chrysler vehicle?
- Diagnosing P0403 may involve visually inspecting the EGR system components, testing the EGR valve and solenoid, checking for vacuum leaks, and using a scan tool to monitor EGR system data.
5. Can I continue driving my Chrysler vehicle with OBDII code P0403?
- It is not recommended to ignore OBDII code P0403, as it can lead to reduced engine performance and potential damage if left unresolved. It's best to address the issue promptly.
6. How can I repair OBDII code P0403 in my Chrysler vehicle?
- Repairing P0403 may involve cleaning or replacing the EGR valve, solenoid, or position sensor, clearing any clogs in the EGR passages, checking and repairing wiring connections, and resetting the fault code.
7. Is it possible to prevent OBDII code P0403 from occurring in my Chrysler vehicle?
- Regular maintenance of the EGR system, including cleaning or replacing components as needed, can help prevent issues leading to OBDII code P0403. Following the manufacturer's recommended service intervals is key.
8. Are there any DIY tips for addressing OBDII code P0403 in a Chrysler vehicle?
- While some basic inspections and cleaning of EGR components can be done DIY, diagnosing and repairing advanced issues related to P0403 may require professional assistance or specialized tools.
9. How long does it typically take to repair OBDII code P0403 in a Chrysler vehicle?
- The repair time for P0403 can vary depending on the exact cause of the issue and the complexity of the repair. It may take anywhere from a few hours to a full day to resolve the problem.
10. Can resetting the OBDII code P0403 in my Chrysler vehicle make it disappear permanently?
- Resetting the fault code may clear the check engine light temporarily, but if the underlying issue causing P0403 is not addressed, the code is likely to reappear. It's essential to diagnose and fix the root problem.
Discuss the causes and fixes for P0403 Chrysler OBDII Code
-
Recently had the ignition switch replaced. Now, sometimes, when you turn ignition on nothing happens, turn it on a second time and nothing happens, turn it on a third time you get P 0403, turn it on a forth time it reads done, the fifth time it starts.
-
2007 town and country touring with the 3.8 l. I also replaced the solenoid vapor canister today as well.
Any help would be great -
The same thing happened to my one did you get it cleared my one is still on can you help
-
My van hesitates, and will randomly turn off all power then instantly turn back on. All my lights flash on the dash, and my radio will turn off then turn back on, and it shakes really bad like there is a vacuum leak, but I've checked all the lines. Would this be the EGR solenoid? That's the only code it is throwing.
-
Yes, could be that the EGR valve gets stuck open. What model and year is your vehicle?
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.