P3977 Nsu Autonova OBD Code

OBD/2 P3977 error code description and symptoms.

The input turbine speed sensor detects rotation of the input shaft of the input shaft speed sensor transmission. The computer uses that information, along with the output shaft speed sensor to determine if the transmission is operating according to plan. If the computer detects a difference between the input shaft speed , and the expected output shaft speed, it will adjust transmission pump pressure to prevent clutch disc slip. If adding pressure doesn't solve the problem, it will set a trouble code.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

P3977 Nsu Autonova Error Code Repair Process :

If your scp (j1850) invalid or missing data for wheels check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P3977 and engine control unit are in charge of monitoring a bunch of different scp (j1850) invalid or missing data for wheels, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Nsu Autonova P3977 OBD2 Code

A common cause of code P3977 is the failure of SCP (J1850) Invalid or Missing Data for Wheels, but there are several other possible causes as well, such as ;

Faulty Air Flow Meter
Faulty select solenoid
Ignition coils harness is open or shorted
Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted

P3977 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.

P3977 code for other Nsu cars

You can view according P3977 DTC for your car model. We selected several models to see obd2 solutions click and view it.

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

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