C0121 Datsun Violet OBD Code

OBD/2 C0121 error code description and symptoms.

Output Shaft Speed sensor circuit intermittent failure The output shaft speed sensor signal to the PCM is irregular or interrupted.
Harness connector not properly seated Harness intermittently shorted, or open Harness connector damaged OSS sensor damaged, or not installed properly Verify harness and connector integrity Verify OSS sensor proper installation.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code C0121, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code C0121 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

C0121 Datsun Violet Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C0121 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 lamp anti-theft indicator circuit open 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 lamp anti-theft indicator circuit open.

Difficulty Level (Soso)

Repair Time (50 Min.)

Cost Prediction : $ 30-110

Common Causes of Datsun Violet C0121 OBD2 Code

A common cause of code C0121 is the failure of Lamp Anti-Theft Indicator Circuit Open, but there are several other possible causes as well, such as ;

• Camshaft Position Sensor harness is open or shorted
• Faulty front heated oxygen sensor
• Faulty variable valve timing (VVT)
• Improper ignition timing

C0121 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.

C0121 code for other Datsun cars

You can view according C0121 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• C0121 Datsun 100
• C0121 Datsun 1000
• C0121 Datsun 120
• C0121 Datsun 1200
• C0121 Datsun 14
• C0121 Datsun 15
• C0121 Datsun 1600
• C0121 Datsun 1800
• C0121 Datsun 2000
• C0121 Datsun 2300
• C0121 Datsun 240
• C0121 Datsun 260
• C0121 Datsun 280
• C0121 Datsun Bluebird
• C0121 Datsun Deluxe
• C0121 Datsun Laurel
• C0121 Datsun On-do
• C0121 Datsun Pulsar
• C0121 Datsun Skyline
• C0121 Datsun Sports
• C0121 Datsun Z

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