B3798 Trouble Code

View B3798 obd/2 error code description and symptoms. B3798 engine photo

Vehicle Speed Sensor (VSS) Intermittent Indicates the powertrain control module (PCM) detected an error in the vehicle speed information. Vehicle speed data is received from either the vehicle speed sensor (VSS), transfer case speed sensor (TCSS), anti-lock brake system (ABS) control module, generic electronic module (GEM), or central timer module (CTM). This DTC is set the same way as B3798. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for B3798

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.

B3798 Error Code Repair Process :

If your servo motor defrost circuit failure 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 B3798 and engine control unit are in charge of monitoring a bunch of different servo motor defrost circuit failure, and if they get a reading that's a little out of whack, up pops the check engine light.

B3798 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 B3798

A common cause of code B3798 is the failure of Servo Motor Defrost Circuit Failure, but there are several other possible causes as well, such as ;

EVAP system hose leaking
Faulty front heated oxygen sensor
Intake Valve Timing Control Solenoid Valve harness is open or shorted
Starting system circuit Dead (Weak) battery

B3798 code for all cars

You can view according B3798 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B3798 Mitsubishi Mirage

+B3798 Infiniti J30

+B3798 Mercedes Vaneo

+B3798 Daimler Conquest

+B3798 Buick 50

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

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