B0398 Alfa Romeo 146 OBD Code

OBD/2 B0398 error code description and symptoms.

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 B0398. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for B0398

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.

B0398 Alfa Romeo 146 Error Code Repair Process :

If your pressure control solenoid b stuck on 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 B0398 and engine control unit are in charge of monitoring a bunch of different pressure control solenoid b stuck on, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Alfa Romeo 146 B0398 OBD2 Code

A common cause of code B0398 is the failure of Pressure Control Solenoid B Stuck On, but there are several other possible causes as well, such as ;

EVAP system hose leaking
Damaged camshaft position (CMP) sensor
Exhaust gas leaks
Variable Camshaft Timing solenoid stuck open

B0398 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.

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

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B0398 Alfa Romeo 146 OBD Code

B0398 Alfa Romeo 146 Error Code Repair Process :

Common Causes of Alfa Romeo 146 B0398 OBD2 Code

B0398 code for other Alfa cars