P21A5 Ferrari F399 OBD Code

OBD/2 P21A5 error code description and symptoms.

Low Speed Fuel Pump Primary Circuit Malfunction The PCM monitors the low speed fuel pump (LFP) primary circuit output from the PCM.
The test fails if: When the LFP circuit is commanded on (grounded), excessive current draw is detected on the LFP circuit; or when the LFP circuit is commanded off, voltage is not detected on the LFP circuit (the PCM expects to detect VPWR voltage coming through the low speed fuel pump relay coil to the LFP circuit). Open or shorted low fuel pump (LFP) circuit Open VPWR to low speed fuel pump relay Damaged low speed fuel pump relay Damaged PCM An open circuit or short to ground can only be detected with the low speed fuel pump.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code P21A5, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code P21A5 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

P21A5 Ferrari F399 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P21A5 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 camshaft position sensor b circuit malfunction 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 camshaft position sensor b circuit malfunction.

Difficulty Level (Soso)
Level
Repair Time (50 Min.)
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Cost Prediction : $ 30-110

Common Causes of Ferrari F399 P21A5 OBD2 Code

A common cause of code P21A5 is the failure of Camshaft Position Sensor B Circuit Malfunction, but there are several other possible causes as well, such as ;
Wrench Tool P21A5 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.

P21A5 code for other Ferrari cars

You can view according P21A5 DTC for your car model. We selected several models to see obd2 solutions click and view it.

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

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