P3549 Trouble Code

View P3549 obd/2 error code description and symptoms. P3549 engine photo

The Transmission Fluid Pressure Switch allows the engine's control module (PCM) or Transmission Control Module (TCM) to use hydraulic fluid to engage the clutches in the transmission to allow for smoother shifting while driving. If the PCM or TCM detects an issue with the hydraulic clutch or the pressure switch, the PCM or TCM will set code P3549

A good starting point in your diagnosis is checking all system fuses and fusible links. This can be done using the DVOM on the voltage setting. You will want to test the fuses with circuits loaded. Some fuses will appear normal until a load is placed on their respective circuit; at which point they will fail. This has been the cause of many 'phantom malfunctions'. Consult your vehicle information source for fuse and fusible link locations. If all fuses are in working order, you may want to check TCM relay operation by swapping identical relays. Usually the horn relay, starter relay, fuel pump relay, air conditioning clutch relay, and controller relays are similar enough in design to swap for diagnostic purposes.

P3549 Error Code Repair Process :

For abs inlet valve coil rear circuit open check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. P3549 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks abs inlet valve coil rear circuit open with your car's computers to find out exactly what's prompting the light to turn on.

P3549 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 P3549

A common cause of code P3549 is the failure of ABS Inlet Valve Coil Rear Circuit Open, but there are several other possible causes as well, such as ;

Continuous oil flow to the VCT piston chamber
Faulty Fuel injector
Incorrect fuel filler cap used
Dirty Oil

P3549 code for all cars

You can view according P3549 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P3549 Subaru Outback 3

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

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