P0417 OBD-II Trouble Code: Secondary Air Injection System Switching Valve B Circuit Shorted

Our certified mechanics come to you · Get a fair and transparent estimate upfront

Red-stars EXCELLENT RATING ON

Cost of diagnosing the P0417 code

P0417 is a diagnostic trouble code (DTC) for "Secondary Air Injection System Switching Valve B Circuit Shorted". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

Cars Estimate Credit towards follow-up repair Earliest Availability
Ford$20.00
Toyota$20.00
BMW$20.00
SCHEDULE P0417 DIAGNOSTIC Get a fair and transparent estimate upfront

P0417 code definition

When the PCM (powertrain control module) detects an issue with the secondary air injection system, it will store the P0417 code.

What the P0417 code means

To reduce emissions, the secondary air injection system uses outside air pumped through the engine’s exhaust system to reduce toxic emissions. While some variations in the amount of air brought in by the secondary air injection system will vary, all variances are monitored by the PCM. If the variation is greater than 10% of the manufacturer’s specifications, the P0417 code will be stored and the Check Engine Light will illuminate.

What causes the P0417 code?

Possible causes of the P0417 code include:

  • A damaged or faulty air pump
  • A poor electrical connection to the air bypass solenoid circuit
  • A shorted or open connection to the air bypass harness

What are the symptoms of the P0417 code?

A few of the most common symptoms that occur when the P0417 code is stored include:

  • Unusual noises coming from the secondary air injection system
  • Engine stalling at idle or upon startup
  • Hesitation when accelerating
  • An illuminated Check Engine Light

You may actually notice some of these problems before the Check Engine light illuminates. Whether or not you see the Check Engine light come on, if you notice any of these symptoms, you should get the issue resolved immediately.

How does a mechanic diagnose the P0417 code?

With an OBD-II scanner, the mechanic can identify the P0417 code and any other related codes that may have been stored. Once they’ve identified the code, they’ll then clear it in the PCM and do a visual inspection of the secondary air injection system. They’ll look for any damage to the electrical connections and wiring in the system and correct them if they find them. Once they’ve completed this task, they’ll test-drive the vehicle to determine if the code has been resolved.

If the code hasn’t been resolved, the mechanic will likely replace the air pump and retest the vehicle. They will then test-drive the car at least one more time to ensure that the code is not an intermittent problem and that it has been completely cleared.

Common mistakes when diagnosing the P0417 code

Some mechanics will go ahead and replace the secondary air injection pump without ensuring that a water drain is in place. This can lead to more air pump failures and repeated detection of the P0417 code.

How serious is the P0417 code?

Unlike some codes, the P0417 code will generally have some noticeable symptoms along with the Check Engine light coming on. Engine hesitation may or may not be detrimental to the condition of your engine, but it can cause problems while driving. Stalling on startup or when idling can also put you in unsafe situations, depending on where and how it happens. It’s best to get the issue resolved immediately and avoid potentially dangerous driving scenarios.

What repairs can fix the P0417 code?

Depending on what’s causing the P0417 code to be stored, a few different repairs can resolve it, including:

Additional comments for consideration regarding the P0417 code

When the P0417 code is set, your vehicle may be creating a higher level of toxic emissions. Whether or not this is the case, simply having the Check Engine light illuminated will mean that you cannot pass an OBD-II emissions test. This can preclude you from legally registering and driving your car in your state, so it’s important to get this code resolved and cleared ASAP to avoid bigger problems down the road.

Need help with a P0417 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

trouble codes
P0417
Check Engine Light

No more waiting rooms! Our mechanics will come to you to diagnose and fix the P0417 code.

SCHEDULE P0417 DIAGNOSTIC
Get a $20 credit for the follow-up repair

Recent Check Engine Light is on Inspection reviews

Excellent Rating

(6,114)

Rating Summary
5,655
221
51
35
152
5,655
221
51
35
152

Kevin

24 years of experience
388 reviews
Kevin
24 years of experience
Chevrolet Tracker - Check Engine Light is on - Stone Mountain, Georgia
Kevin was pretty cool! He explained things to me in a way I could understand and was able to offer me some good options to fix my car problems! Very professional and knew his stuff! Excellent experience

JOHNNY

33 years of experience
63 reviews
JOHNNY
33 years of experience
Toyota Camry - Check Engine Light is on - Carmichael, California
Johnny was early, friendly, and thorough! He explained things to me about my car that I had no idea about before! I booked him for a diagnostic appointment and I’m definitely requesting him for a follow-up!

Benji

22 years of experience
184 reviews
Benji
22 years of experience
Jaguar XK - Check Engine Light is on - Phoenix, Arizona
Will absolutely recommend Benjie to all my friends, thorough and knowledgeable. Will have him back fit all future car repairs!

Marco

29 years of experience
124 reviews
Marco
29 years of experience
Kia Soul - Check Engine Light is on - Riverside, California
Marco was great. Cam on time, and explained everything he did. Also gave good recommendation for fixing as the problem has a Kia recall.


More related articles

P0236 OBD-II Trouble Code: Turbocharger Boost Sensor A Circuit Range/Performance
P0236 code definition Turbocharger Boost Sensor A Circuit Range/Performance What the P0236 code means P0236 is an OBD-II generic code that is...
P0236 OBD-II Trouble Code: Turbocharger Boost Sensor A Circuit Range/Performance
P0236 code definition Turbocharger Boost Sensor A Circuit Range/Performance What the P0236 code means P0236 is an OBD-II generic code that is...
P0110 OBD-II Trouble Code: Intake Air Temperature Sensor Circuit Malfunction
P0110 Trouble code definition Intake Air Temperature Sensor Circuit Malfunction What the P0110 code means P0110 is a general code for a...

Related questions

Egr solenoid

Hi there. Once these parts are replaced you need to do the test procedure with the same plug otherwise the light will remain on. If you did the reset then the circuit will need to be tested. It can also...

Car won't start key turns and lights dim when it cranks. I just don't hear a buzzing sound from the fuel pump when turn key to on

Code U1100 signifies a communications error which is either a module fault or a deficiency in the wiring harness between communicating modules. There's a possibility that a dying battery is a cause of such a code (and a cause of...

evap

Restriction in the EVAP vent or purge hoses can also cause this code. A restricted EVAP canister will also set P0446. A smoke test can find restricted canister. I suggest having a mechanic come out and diagnose your Check Engine...

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1 (855) 347-2779 · hi@yourmechanic.com