P2257 Subaru Auto Trouble Code

P2257 Subaru Auto Trouble Code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

Some problems such as misfires and evaporative emission (EVAP) leaks can be very challenging to nail down. Misfires can be caused by ignition problems, fuel problems or compression problems. The underlying cause might be fouled spark plugs, bad plug wires, a weak ignition coil, dirty injectors, a shorted or open injector, low fuel pressure, a vacuum leak, a leaky head gasket, burned exhaust valve or a camshaft with a bad lobe.

P2257 Subaru Possible Solution:

Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.

P2257 Subaru Description For All Models :

Subaru 1.8
Subaru 1400
Subaru 1600
Subaru 360
Subaru Alfa
Subaru B11
Subaru B9
Subaru Baja
Subaru Coupe
Subaru Dl
Subaru Ff-1
Subaru Forester
Subaru Forester 1
Subaru Forester 2
Subaru Forester 3
Subaru G3x
Subaru G3x Justy
Subaru H6
Subaru Hm
Subaru Impreza
Subaru Impreza 2
Subaru Impreza 3
Subaru Justy
Subaru K111
Subaru Legacy
Subaru Legacy 3
Subaru Legacy 4
Subaru Leone
Subaru Liberty
Subaru M80
Subaru Mini Jumbo
Subaru Outback
Subaru Outback 2
Subaru Outback 3
Subaru Pleo
Subaru R1
Subaru R2
Subaru Rex
Subaru Sagres
Subaru Stella
Subaru Stx
Subaru Svx
Subaru Traviq
Subaru Tribeca
Subaru Vivio
Subaru Wx
Subaru Xt
Subaru Xv

P2257 Subaru Trouble Repair :

When you turn on the ignition, the Service Engine Soon or Check Engine P2257 Subaru 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. 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 car!

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