P2243 Fiat Siena OBD Code

OBD/2 P2243 error code description and symptoms.

Variable Cam Timing Over-advanced (Bank 1) The comprehensive component monitor (CCM) monitors the VCT position for an over-advanced camshaft timing.
The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position. Cam timing improperly set No oil flow to the VCT piston chamber Low oil pressure VCT solenoid valve stuck closed Camshaft advance mechanism binding (VCT unit) P2243 DTC is a check of the VCT unit.

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

P2243 Fiat Siena Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P2243 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If p2243 o2 sensor reference voltage circuit/open bank 1 sensor 1 so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the p2243 o2 sensor reference voltage circuit/open bank 1 sensor 1 .

Common Causes of Fiat Siena P2243 OBD2 Code

A common cause of code P2243 is the failure of P2243 O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1 , but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Faulty Mass Air Flow (MAF) sensor
Faulty Intake Valve Timing Control Solenoid Valve
EVAP system hose leaking

P2243 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.

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

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P2243 Fiat Siena OBD Code

P2243 Fiat Siena Error Code Repair Process :

Common Causes of Fiat Siena P2243 OBD2 Code

P2243 code for other Fiat cars