C3872 Trouble Code

View C3872 obd/2 error code description and symptoms. C3872 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 C3872. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for C3872

On some transmissions, such as automated manual transmissions or automatic transmissions with manual mode, the GSP switch lets the TCM know whether or not the driver has selected automatic or manual function. On manual transmissions, the GSP switch informs the TCM which gear the driver is selecting, and may function as a neutral safety switch, depending on system design. The TCM also uses the gate select position switch to monitor transmission operation. For example, if the driver selects manual mode and selects 3rd gear on an automatic transmission, the TCM may monitor speed sensors to detect clutch and brake slippage.

C3872 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C3872 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 right rear sensor circuit fault 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 right rear sensor circuit fault.

C3872 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

Common Causes of C3872

A common cause of code C3872 is the failure of Right Rear Sensor Circuit Fault, but there are several other possible causes as well, such as ;

EVAP system hose leaking
Damaged ECM
Intake Valve Timing Control Solenoid Valve circuit poor electrical connection
Open or short in the VCT circuit

C3872 code for all cars

You can view according C3872 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C3872 Pontiac Grand Am

+C3872 Daihatsu Fourtrak

+C3872 Ford Desert

+C3872 Simca Plein Ceil

+C3872 Ford Escape 2

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