P0418 Dodge Code - Secondary Air Injection System Relay 'A' Circuit Malfunction
Quick Answer
An air pump is used on the vehicle to lower tail pipe emissions on start-up. Common causes include Faulty Air Pump inoperative, Air bypass solenoid harness is open or shorted, Air bypass solenoid 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
- P0418 Dodge indicates Secondary Air Injection System Relay 'A' Circuit Malfunction.
- Common causes
- Common causes include Faulty Air Pump inoperative, Air bypass solenoid harness is open or shorted, Air bypass solenoid 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 P0418 Dodge Description
What are the Possible Causes of the DTC P0418 Dodge?
- Faulty Air Pump inoperative
- Air bypass solenoid harness is open or shorted
- Air bypass solenoid circuit poor electrical connection
How to Fix the DTC P0418 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 P0418 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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Frequently Asked Questions about P0418 Dodge Code
1. What are the common symptoms of OBDII code P0418 in a Dodge related to the Secondary Air Injection System Relay 'A' Circuit Malfunction?
- Common symptoms include rough idling, engine hesitation, decreased fuel efficiency, and the illumination of the check engine light.
2. What are the possible causes of OBDII code P0418 in a Dodge?
- The code P0418 can be triggered by a faulty secondary air injection system relay, damaged wiring or connectors, a malfunctioning secondary air injection pump, or a problem with the powertrain control module (PCM).
3. How can I diagnose the cause of OBDII code P0418 in my Dodge?
- A thorough inspection of the secondary air injection system components, including the relay, pump, wiring, and connectors, using a multimeter and a diagnostic scan tool is recommended to pinpoint the exact cause of the malfunction.
4. Can I continue driving my Dodge with OBDII code P0418 present?
- While the vehicle may still be operable with the code P0418, it is advisable to address the issue promptly to prevent potential damage to the engine and emissions system.
5. How can I repair OBDII code P0418 in my Dodge?
- Repairing code P0418 involves identifying and addressing the underlying cause, which may include replacing the faulty relay, repairing damaged wiring, fixing connector issues, or replacing the secondary air injection pump.
6. Is it possible to reset OBDII code P0418 in a Dodge without fixing the issue?
- While clearing the fault code using an OBDII scanner may temporarily turn off the check engine light, the code is likely to return if the root cause of the malfunction is not addressed.
7. Are there any DIY tips for fixing OBDII code P0418 in a Dodge?
- DIY enthusiasts with automotive repair experience may attempt to inspect and replace the secondary air injection system relay or check for damaged wiring. However, complex diagnostic and repair tasks may require professional assistance.
8. How much does it typically cost to repair OBDII code P0418 in a Dodge at a repair shop?
- The cost of repairing code P0418 can vary depending on the exact cause of the malfunction, the labor rates of the repair shop, and the cost of replacement parts. It is recommended to obtain estimates from multiple shops for comparison.
9. Can a faulty secondary air injection system affect the overall performance of my Dodge?
- Yes, a malfunctioning secondary air injection system can impact engine performance, fuel efficiency, and emissions output, potentially leading to poor driving experience and increased environmental impact.
10. Is OBDII code P0418 a common issue in Dodge vehicles with a Secondary Air Injection System?
- While not as common as some other codes, OBDII code P0418 related to the Secondary Air Injection System Relay 'A' Circuit Malfunction can occur in Dodge vehicles, particularly in older models or those with high mileage.
Discuss the causes and fixes for P0418 Dodge OBDII Code
-
Where is the location of the secondary air injection relay on a 2012 dodge avenger
-
The relay is part of the "Totally Integrated Power Module (TIPM)" (Fuse box) in the engine compartment.
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