P1406 Honda Code - Exhaust Gas Recirculation Valve Position Sensor Circuit Problem
Quick Answer
P1406 Honda indicates Exhaust Gas Recirculation Valve Position Sensor Circuit Problem. Common causes include Faulty Exhaust Gas Recirculation (EGR) Valve Position Sensor, EGR Valve Position Sensor harness is open or shorted, EGR Valve Position Sensor circuit poor electrical connection. 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
- P1406 Honda indicates Exhaust Gas Recirculation Valve Position Sensor Circuit Problem.
- Common causes
- Common causes include Faulty Exhaust Gas Recirculation (EGR) Valve Position Sensor, EGR Valve Position Sensor harness is open or shorted, EGR Valve Position Sensor circuit poor electrical connection.
- 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.
Code P1406 Honda Description
What are the Possible Causes of the DTC P1406 Honda?
- Faulty Exhaust Gas Recirculation (EGR) Valve Position Sensor
- EGR Valve Position Sensor harness is open or shorted
- EGR Valve Position Sensor circuit poor electrical connection
How to Fix the DTC P1406 Honda?
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 P1406 Honda 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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Frequently Asked Questions about P1406 Honda Code
What does the OBDII code P1406 mean for a Honda?
The P1406 code indicates a problem with the Exhaust Gas Recirculation (EGR) valve position sensor circuit, which monitors the EGR valve's performance.
What are the symptoms of code P1406 on a Honda?
Common symptoms include poor engine performance, rough idle, reduced fuel efficiency, and the illumination of the check engine light.
What causes the P1406 code on a Honda?
Possible causes include a faulty EGR valve position sensor, wiring issues in the sensor circuit, carbon buildup in the EGR valve, or a damaged EGR valve.
Can driving with code P1406 damage my Honda?
While the car may remain drivable, prolonged driving with this code can lead to increased emissions, engine performance issues, and potential damage to other components if left unresolved.
How can I diagnose the P1406 code on a Honda?
Inspect the EGR valve and position sensor for damage, check the wiring and connections for faults, and test the sensor using a multimeter to verify proper operation.
How do I fix code P1406 on a Honda?
Repairs may include cleaning or replacing the EGR valve, replacing the EGR position sensor, repairing damaged wiring, or updating the vehicle’s ECU software if needed.
How much does it cost to fix the P1406 code on a Honda?
Repair costs vary but typically range from $150 to $500 depending on whether the EGR valve or position sensor needs replacement and labor costs.
Can I clean the EGR valve to resolve the P1406 code on a Honda?
Yes, carbon buildup is a common issue, and cleaning the EGR valve can sometimes resolve the code if the sensor and wiring are functional.
What tools are needed to fix the P1406 code on a Honda?
You may need a diagnostic scan tool, a multimeter for testing circuits, basic hand tools for removing components, and EGR valve cleaner if cleaning is required.
Does a faulty EGR valve affect emissions?
Yes, a faulty EGR valve can increase nitrogen oxide (NOx) emissions, negatively impacting the vehicle’s environmental performance.
Discuss the causes and fixes for P1406 Honda OBDII Code
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