The OBD code P0406 for Dodge indicates an issue with the Exhaust Gas Recirculation (EGR) system.
Symptoms include the Engine Light ON, engine hesitation.
The code is commonly caused by a faulty EGR volume control solenoid valve or carbon buildup on the EGR valve.
It is a moderate issue.
To fix, inspect and repair the EGR components and wiring connections for any damage or poor connections.
| Repair Importance Level | 6.67 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 6.67 (Out of 10) |
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Symptoms of the Dodge p0406 OBD Code
The vehicle may experience poor engine performance and increased fuel consumption with fault code P0406.
- With Dodge OBD code P0406, the Engine Light will be ON.
- Engine hesitation may be experienced.
Causes of the Dodge p0406 OBD Code
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The P0406 code in a Dodge indicates an issue with the Exhaust Gas Recirculation Sensor A circuit.
- P0406 can be caused by a faulty EGR volume control solenoid valve.
- Carbon built up on the EGR valve.
- An open or shorted EGR volume control solenoid valve harness.
- Poor electrical connection in the EGR volume control solenoid valve circuit.
- A faulty EGR temperature sensor and circuit.
Fixing Dodge Error Code p0406 Step By Step
Address the EGR position sensor circuit high voltage issue on a Dodge vehicle with fault code P0406.
- To fix the Dodge OBDII code P0406, start by reviewing the possible causes mentioned above.
- Visually examine the EGR valve and its circuit for any signs of damage or carbon buildup.
- Check the wiring harness and connectors for any issues.
- Ensure the connector pins are not broken, bent, pushed out, or corroded.
- Clean the EGR valve and passages to remove any carbon deposits.
- Test the EGR valve position sensor using a multimeter to ensure it is functioning correctly.
- Replace the EGR valve if necessary.
- Clear the fault codes using a scan tool and test drive the vehicle to verify the repair.
Cost Of Fixing Dodge p0406 Fault Code
The repair for Dodge P0406 may involve replacing the Exhaust Gas Recirculation (EGR) position sensor.
The cost to diagnose and fix the Dodge OBD code P0406 typically ranges from $75 to $150 per hour for labor rates.
With an estimated repair time of 1. 0 hour, the total cost can be around $75 to $150, depending on shop rates and the complexity of the issue.
Details of the Dodge p0406 OBD Code
Dodge fault code P0406 relates to an issue with the Exhaust Gas Recirculation Sensor A circuit.
Dodge OBD code P0406 means Exhaust Gas Recirculation Sensor A Circuit High.
This code is triggered when the ECM detects a high voltage signal from the EGR position sensor.
The EGR position sensor is responsible for monitoring the position of the EGR valve.
When the ECM receives a high voltage signal from the sensor, it sets code P0406 to indicate a potential issue with the EGR system.
Mechanic’s Tech Notes
Detailed information on diagnosing and repairing fault code P0406 in Dodge vehicles.
To diagnose and fix OBDII code P0406 on a Dodge, start by visually inspecting the EGR valve and its wiring harness for any damage or corrosion.
Use a voltmeter to check the voltage at the EGR position sensor.
Ensure the sensor is responding correctly to changes in the EGR valve position.
Use a scan tool to monitor EGR valve operation and command it to open and close.
If the valve does not respond as commanded, it may need replacement.
Additionally, check for any carbon buildup in the EGR system that could be causing the issue.
FAQ
Common symptoms of OBD code P0406 in a Dodge vehicle include Engine Light ON, engine hesitation. Causes may be faulty EGR volume control solenoid valve or carbon buildup on EGR valve.
The typical cause of OBD code P0406 in a Dodge vehicle is a faulty EGR volume control solenoid valve or carbon buildup on the EGR valve.
To fix OBD code P0406 in your Dodge vehicle, check EGR volume control solenoid valve, wiring, and connectors for faults or damage. Repair or replace as needed.
Wrap Up
If your Dodge is displaying OBD code P0406 and experiencing poor engine performance, it could be caused by a faulty EGR position sensor, clogged EGR valve, damaged wiring harness, or a malfunctioning EGR solenoid.
These issues can lead to reduced fuel efficiency and rough idling.
To address Dodge OBD code P0406, start by inspecting the EGR valve and sensor for any signs of damage or carbon buildup.
Check the wiring harness for any frayed wires or loose connections.
Test the EGR solenoid operation and replace any faulty components as needed to
