P3121 Trouble Code

View P3121 obd/2 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.

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.

Difficulty Level (Easy)

Repair Time (45 Min.)

Cost Prediction : $ 80-120

P3121 Error Code Repair Process :

If your double lock timeout 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 P3121 and engine control unit are in charge of monitoring a bunch of different double lock timeout failure, and if they get a reading that's a little out of whack, up pops the check engine light.

P3121 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.

Common Causes of P3121

A common cause of code P3121 is the failure of Double Lock Timeout Failure, but there are several other possible causes as well, such as ;

• Camshaft Position Sensor harness is open or shorted
• 1Camshaft Position Sensor circuit poor electrical connection
• Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
• Ignition misfiring

P3121 code for all cars

You can view according P3121 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P3121 Volvo Xc90 Ii

+P3121 Honda 1300

+P3121 Great Wall Voleex C30

+P3121 Holden Vr

+P3121 Renault 18

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

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