C3838 Datsun 260 OBD Code

OBD/2 C3838 error code description and symptoms.

EGR Flow Insufficient Detected The EGR system is monitored during steady state driving conditions while the EGR is commanded on.
The test fails when the signal from the DPF EGR sensor indicates that EGR flow is less than the desired minimum. Vacuum supply EGR valve stuck closed EGR valve leaks vacuum EGR flow path restricted EGRVR circuit shorted to PWR VREF open to D.P.F. EGR sensor D.P.F. EGR sensor downstream hose off or plugged EGRVR circuit open to PCM VPWR open to EGRVR solenoid D.P.F. EGR sensor hoses both off D.P.F. EGR sensor hoses reversed Damaged EGR orifice tube Damaged EGRVR solenoid Damaged PCM Perform KOER self-test and look for DTC C3838 as an indication of a hard fault.

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.

C3838 Datsun 260 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C3838 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 adaptive mode switch circuit failure 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 adaptive mode switch circuit failure.

Difficulty Level (Expert)

Repair Time (60 Min.)

Cost Prediction : $ 75-90

Common Causes of Datsun 260 C3838 OBD2 Code

A common cause of code C3838 is the failure of Adaptive Mode Switch Circuit Failure, but there are several other possible causes as well, such as ;

• Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
• Faulty Mass Air Flow (MAF) sensor
• Faulty Intake Valve Timing Control Solenoid Valve
• Fuel filler cap remains open or fails to close

C3838 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.

C3838 code for other Datsun cars

You can view according C3838 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• C3838 Datsun 100
• C3838 Datsun 1000
• C3838 Datsun 120
• C3838 Datsun 1200
• C3838 Datsun 14
• C3838 Datsun 15
• C3838 Datsun 1600
• C3838 Datsun 1800
• C3838 Datsun 2000
• C3838 Datsun 2300
• C3838 Datsun 240
• C3838 Datsun 280
• C3838 Datsun Bluebird
• C3838 Datsun Deluxe
• C3838 Datsun Laurel
• C3838 Datsun On-do
• C3838 Datsun Pulsar
• C3838 Datsun Skyline
• C3838 Datsun Sports
• C3838 Datsun Violet
• C3838 Datsun Z

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