C3938 Saturn L OBD Code

OBD/2 C3938 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 C3938. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for C3938

Regardless of the design though, the purpose of all clutch actuating systems is to improve the driving experience by removing the need for manual clutch operation by the driver. Computer-controlled clutch actuating systems work particularly well in dual clutch systems where one clutch controls gear changes of even-numbered gear ratios, and a second clutch that controls gear changes of odd-numbered ratios.

C3938 Saturn L Error Code Repair Process :

If your dc-dc converter 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 C3938 and engine control unit are in charge of monitoring a bunch of different dc-dc converter failure, and if they get a reading that's a little out of whack, up pops the check engine light.

Difficulty Level (Easy)

Repair Time (45 Min.)

Cost Prediction : $ 80-120

Common Causes of Saturn L C3938 OBD2 Code

A common cause of code C3938 is the failure of DC-DC Converter Failure, but there are several other possible causes as well, such as ;

• EVAP system hose leaking
• Faulty Crankshaft Position Sensor (POS)
• Dirty Oil
• Faulty oil control valve (OCV)

C3938 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.

C3938 code for other Saturn cars

You can view according C3938 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• C3938 Saturn Astra
• C3938 Saturn Aura
• C3938 Saturn Curve
• C3938 Saturn Ion
• C3938 Saturn Ls
• C3938 Saturn Lw
• C3938 Saturn Outlook
• C3938 Saturn Relay
• C3938 Saturn Sc
• C3938 Saturn Sedan
• C3938 Saturn Sky
• C3938 Saturn Sl
• C3938 Saturn Sl1
• C3938 Saturn Sports
• C3938 Saturn Vue

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

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