What does trouble code p0411 stand for?

P0411 Code Definition: Secondary Air Injection System Incorrect Flow Detected. Trouble code P0411 is a generic OBD-II DTC (digital trouble code) which indicates a problem with your vehicle’s secondary air injection system. The secondary air injection system pumps air into the engine’s exhaust stream when the engine is cold and while decelerating.

What causes a p0411 fuse to blow?

The most common cause of P0411 is going to be the one way check valve failing. When it does, it allows moisture into the pump. This moisture can freeze in the winter time. If frozen water does freeze up the air pump itself, it may blow the fuse to it.

What to do if your GMC Terrain has a p0411 code?

There are several avenues of repair for a P0411, such as cleaning the secondary air passages—a common fix on GMC Terrain vehicles. Make sure to figure out the appropriate resolution by researching some of the fixes other people have employed to address a P0411 on their vehicle (assuming it’s the same vehicle as yours).

Can a p0411 leak cause an Audi A4 to break down?

An exhaust leak can cause the ECM to think that the AIR system is not working right. Look for damage to the exhaust system. If there’s a leak, you should be able to hear it. P0411 in the Audi A4 is not likely to cause the vehicle to break down, but can affect drivability.

What is the p0411 code for GMC Terrain?

•DTC P0412 – A secondary air injection valve relay coil circuit fault condition hasbeen detected. •DTC P0418 – A secondary air injection pump relay coil circuit fault condition hasbeen detected. •DTC P2430 – A secondary air injection pressure sensor signal stuck in range faultcondition has been detected – bank 1 (Cylinder 1/2 – Right Side).

What does the p0441 code on charcoal canister mean?

The purge valve allows fresh air to enter the charcoal canister. You may get the P0441 trouble code if the purge valve has incorrect purge overflow. What Does the P0441 Code Mean?

What is the OBD code for secondary air injection?

P0411 code definition. The P0411 DTC is a generic OBD-II code that points to a malfunction within the secondary air injection system.

What does the PCM error code po411 mean?

If it is unable to see the short term fuel trim rise, the PCM will then intercept and look at this condition as a malfunction in the Air System, which will trigger the Error Code Po411. Engine runs rich (counterintuitive process – explanation below) Backfiring in the exhaust during hard acceleration System restriction due or plugged with carbon

When to suspect a bad air pump relay?

If not, check for power and ground present at the AIR pump when jumpered. If there is no voltage/ground present at pump repair open in wiring harness. If voltage and ground is present, but pump still does not run, suspect a bad AIR pump. If after jumpering the AIR pump feed circuit the pump activates then the problem is likely the AIR pump relay.

How can I fix the p0041 code on my car?

As with any DIY repair, we advise that you utilize all of the auto repair resources and guides available online to help you figure out the proper steps to fix the P0041 code. You can also get an ALLDATA single-vehicle subscription, which will be useful for this fix and for any other future repairs your vehicle may need.

Why is the solenoid valve on my air pump not open?

If after jumpering the AIR pump feed circuit the pump activates then the problem is likely the AIR pump relay. Replace and retest. If the scan tool activates the AIR pump, with KOER (Key on engine running) activate the AIR pump solenoid valve on and see if there is vacuum to the cutoff valve. It should have vacuum present to open the valve.

What to do if there is no vacuum in the solenoid?

If there is no vacuum present at the supply to the vacuum solenoid, check for a plugged or damaged vacuum line or plugged vacuum port. But if there is vacuum present at the cut-off valve, shut the engine off and using a vacuum pump, apply vacuum to the cut-off valve and see if it holds a vacuum and that air flows through it when vacuum is applied.

What does the p2440 diagnostic trouble code mean?

All our repairs are backed by our 12-month / 12,000-mile warranty. The P2440 diagnostic trouble code is an indication that the Powertrain Control Module (PCM) has detected that the switching valve of the secondary air injection system is stuck open on Bank 2.

How much does it cost to diagnose a p1128 code?

The cost to diagnose the P1128 code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

What does p1128 mean in Powertrain Control Module?

The Powertrain Control Module ( PCM) detects a condition where the vehicle has remained in open loop fuel control, from a start-up condition, longer than a calibrated amount of time, when conditions would have otherwise closed loop operation. Need more information on how to fix the P1128 code?

How much does it cost to repair a p1171 code?

Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. The cost of diagnosing the P1171 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

What does DTC p0172 mean on a V6 engine?

DTC P0172 basically this means that an oxygen sensor in bank 1 detected a rich condition (too little oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1. This DTC is very similar to P0175, and in fact your vehicle may show both codes at the same time.

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