B3378 Trouble Code

View B3378 obd/2 error code description and symptoms. B3378 engine photo

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.

B3378 Error Code Repair Process :

If your evaporative emission control system control valve 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 B3378 and engine control unit are in charge of monitoring a bunch of different evaporative emission control system control valve, and if they get a reading that's a little out of whack, up pops the check engine light.

B3378 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

Common Causes of B3378

A common cause of code B3378 is the failure of Evaporative Emission Control System Control Valve, but there are several other possible causes as well, such as ;

Faulty Air Flow Meter
Dirty Oil
EVAP system hose leaking
Damaged ECM

B3378 code for all cars

You can view according B3378 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B3378 Alvis Firebird

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

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