P2821 Trouble Code

View P2821 obd/2 error code description and symptoms. P2821 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 P2821. However, it is intended to flash the transmission control indicator lamp (TCIL) for first time VSS circuit error/malfunctions. Refer to possible causes for P2821

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

Difficulty Level (Expert)
Level
Repair Time (35 Min.)
Time
Cost Prediction : $ 30-110

P2821 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P2821 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 p2821 pressure control solenoid j stuck on 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 p2821 pressure control solenoid j stuck on.

Wrench Tool P2821 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 P2821

A common cause of code P2821 is the failure of P2821 Pressure Control Solenoid J Stuck On, but there are several other possible causes as well, such as ;

P2821 code for all cars

You can view according P2821 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P2821 Chenard Walcker 2-litre +P2821 Marendaz 13 +P2821 Bmw 120 +P2821 Holden Hx +P2821 Ford Quadricycle

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