When to use the p0505 idle speed code?

The P0505 code is set when the IACV-AAC valve does not operate properly. This system automatically controls engine idle speed to a specified level. Idle speed is controlled through fine adjustment of the amount of air which by-passes the throttle valve via Idle Air Control Valve IACV) and Auxiliary Air Control AAC) Valve.

What does the OBD 2 fault code p0505 mean?

OBD II fault code P0505 is defined as “Idle Control System Malfunction”, or sometimes as “Idle speed control (ISC) system –malfunction”, and is set when the PCM (Powertrain Control Module) is unable to control, or maintain the engine idling speed at a specified RPM.

Why does my Honda Accord have a p0505 code?

When it goes bad, it may affect the engine’s idle speed, which could lead to the PCM issuing a P0505 code. Users have reported P0505 for the following makes: Honda (especially on the Honda Accord and Civic), Nissan, Toyota, Jeep, and Dodge. A faulty idle air control valve can cause code P0505.

When to set the p0505 engine light on?

The P0505 code is set when the IACV-AAC valve does not operate properly. Engine Light ON (or Service Engine Soon Warning Light) This system automatically controls engine idle speed to a specified level.

What does the p0505 code mean on a Honda Accord?

What are the symptoms of the idle control system malfunction?

The idle air control (IAC) valve is carboned up and sticks or has limited control due to the carbon build up. The IAC passages are clogged or restricted with dirt, debris or carbon build up. The engine has a vacuum leak in the intake system after the throttle body that the ECM cannot control with the IAC. What are the symptoms of the P0505 code?

What causes a p0505 problem on a Honda CRV?

When P0505 is triggered, it is typically caused by a stuck idle air control valve, a clogged idle air control valve, or a vacuum leak. There can be other causes as well. Although, they aren’t as prevalent. This particular trouble code lets you know that there is something wrong with the idle air control system, but that’s about it.

What does the p0505 code on a Nissan mean?

The P0505 code is set when the IACV-AAC valve does not operate properly. P0505 NISSAN Possible Symptoms Engine Light ON (or Service Engine Soon Warning Light) Engine hard to start Rough or erratic idle speed P0505 NISSAN Meaning This system automatically controls engine idle speed to a specified level.

What are the symptoms of the p0505 OBD-II trouble code?

What are the symptoms of the P0505 code? The Check Engine Light will be illuminated and the code is set in ECM memory. The engine idle may be lower or higher than specifications. The engine may idle rough if it has a vacuum leak. The engine may stall when coming to a stop. The engine may idle too high at times.

What does the Diagnostic Code p0505 mean?

One code that can come up on the scanner is P0505. What Does the P0505 Code Mean? Diagnostic trouble code (DTC) P0505 stands for “Idle Control System.” The code may be accompanied by erratic idle speeds that can lead to stalling and other issues.

What does p0505 mean on a Nissan Frontier?

It’s a generic code, which means that it has the same meaning for the Frontier as it would any other vehicle (Frontier or not). When P0505 is triggered, it is typically caused by a stuck idle air control valve, a clogged idle air control valve, or a vacuum leak.

What causes the idle control system malfunction code?

All our repairs are backed by our 12-month / 12,000-mile warranty. P0505 is an OBD-II generic code that the engine control module (ECM) determined the engine idle control system is not managing the idle to stay in specification. The idle is too high or goes too low. What causes the P0505 code?

What does the code p0505 stand for?

Code P0505 is for erratic idle and lack of idle control. The most common problem is a vacuum line to one of the intake or throttle body ports. Need help with a P0505 code? YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle.

When to use the p0505 idle speed code?