P3900 Mercedes 122f 16hp OBD Code

OBD/2 P3900 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 P3900. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for P3900

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

P3900 Mercedes 122f 16hp Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P3900 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. If vaps solenoid actuator output circuit short to battery so, 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 vaps solenoid actuator output circuit short to battery.

Common Causes of Mercedes 122f 16hp P3900 OBD2 Code

A common cause of code P3900 is the failure of VAPS Solenoid Actuator Output Circuit Short To Battery, but there are several other possible causes as well, such as ;

EVAP system hose leaking
Exhaust gas leaks
Faulty Variable Camshaft Timing (VCT) position solenoid
Intake Valve Timing Control Solenoid Valve harness is open or shorted

P3900 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.

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

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P3900 Mercedes 122f 16hp OBD Code

P3900 Mercedes 122f 16hp Error Code Repair Process :

Common Causes of Mercedes 122f 16hp P3900 OBD2 Code

P3900 code for other Mercedes cars