P0549 Trouble Code

View P0549 obd/2 error code description and symptoms. P0549 engine photo

Brake Switch Circuit Input Malfunction Indicates PCM did not receive a brake pedal position (BPP) input. Open or short in BPP circuit Open or short in stoplamp circuits Damaged PCM Malfunction in module(s) connected to BPP circuit. (Rear Electronic Module [REM] Windstar and LS6/LS8 or Lighting Control Module (LCM) Continental and Town Car. Damaged brake switch Misadjusted brake switch Check for proper function of stoplamps.

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.

P0549 Error Code Repair Process :

The scent may P0549 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 P0549, so if the inside of your car p0549 exhaust gas temperature sensor circuit high bank 2 sensor 1 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.

P0549 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 P0549

A common cause of code P0549 is the failure of P0549 Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 1, but there are several other possible causes as well, such as ;

Failures of clutch motion/travel sensors.
Faulty spark plug (s)
Faulty front heated oxygen sensor
Internal electrical failures in actuator motors/solenoids.

P0549 code for all cars

You can view according P0549 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P0549 Pontiac Lemans

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

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