P0509 Trouble Code

View P0509 obd/2 error code description and symptoms. P0509 engine photo

Catalytic converters must be warm before they can work properly. On a cold start the PCM provides a rich mixture to keep the cold engine running.
All that extra fuel goes into the catalytic converter. But the exhaust isn't very hot, because, ah, the engine is pretty cold. GM has employed several strategies to fire up the catalytic converter quicker and reduce cold start emissions. One way is to use a secondary air pump that pumps outside air directly into the catalytic converter.

On some transmissions, such as automated manual transmissions or automatic transmissions with manual mode, the GSP switch lets the TCM know whether or not the driver has selected automatic or manual function. On manual transmissions, the GSP switch informs the TCM which gear the driver is selecting, and may function as a neutral safety switch, depending on system design. The TCM also uses the gate select position switch to monitor transmission operation. For example, if the driver selects manual mode and selects 3rd gear on an automatic transmission, the TCM may monitor speed sensors to detect clutch and brake slippage.

P0509 Error Code Repair Process :

The scent may P0509 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such P0509, so if the inside of your car p0509 idle air control system circuit high as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

P0509 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Common Causes of P0509

A common cause of code P0509 is the failure of P0509 Idle Air Control System Circuit High, but there are several other possible causes as well, such as ;

Dirty Oil
EVAP system hose leaking
Engine Control Module (ECM)
Camshaft Position Sensor harness is open or shorted

P0509 code for all cars

You can view according P0509 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P0509 Nissan Fairlady

+P0509 Saturn Lw

+P0509 Lotus Evora

+P0509 Audi Rs4

+P0509 Citroen Berlingo Ii

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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