P3981 Ferrari 400 OBD Code

OBD/2 P3981 error code description and symptoms.

Intake Manifold Runner Control Malfunction (Stuck Open) The IMRC system is monitored for failure during continuous, key ON engine OFF or key ON engine running self-test. The test fails when the signal on the monitor pin is less than an expected calibrated range at closed throttle. IMRC monitor signal circuit shorted to PWR GND or SIG RTN Damaged IMRC actuator Damaged PCM An IMRCM PID reading approximately near 1 volt at closed throttle may indicate a fault.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

P3981 Ferrari 400 Error Code Repair Process :

For scp (j1850) invalid or missing data for vehicle speed check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. P3981 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks scp (j1850) invalid or missing data for vehicle speed with your car's computers to find out exactly what's prompting the light to turn on.

Difficulty Level (Easy)
Level
Repair Time (20 Min.)
Time
Cost Prediction : $ 70-120

Common Causes of Ferrari 400 P3981 OBD2 Code

A common cause of code P3981 is the failure of SCP (J1850) Invalid or Missing Data for Vehicle Speed, but there are several other possible causes as well, such as ;
Wrench Tool P3981 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.

P3981 code for other Ferrari cars

You can view according P3981 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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