P1946 Trouble Code

View P1946 obd/2 error code description and symptoms. P1946 engine photo

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.

P1946 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine P1946 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 circuit low input 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 circuit low input.

P1946 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 P1946

A common cause of code P1946 is the failure of Camshaft Position Sensor Circuit Low Input, but there are several other possible causes as well, such as ;

1Camshaft Position Sensor circuit poor electrical connection
Faulty Air Flow Meter
Foreign matter caught in fuel filler cap
Faulty Crankshaft Position Sensor (POS)

P1946 code for all cars

You can view according P1946 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P1946 Simca 1100

+P1946 Turner Climax

+P1946 Scion Xa

+P1946 Maserati Biturbo

+P1946 Citroen Ami

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