B2978 Trouble Code

View B2978 obd/2 error code description and symptoms. B2978 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.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

Difficulty Level (Soso)
Level
Repair Time (50 Min.)
Time
Cost Prediction : $ 40-75

B2978 Error Code Repair Process :

If your power steering pressure sensor circuit high input 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 B2978 and engine control unit are in charge of monitoring a bunch of different power steering pressure sensor circuit high input, and if they get a reading that's a little out of whack, up pops the check engine light.

Wrench Tool B2978 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

Common Causes of B2978

A common cause of code B2978 is the failure of Power Steering Pressure Sensor Circuit High Input, but there are several other possible causes as well, such as ;

B2978 code for all cars

You can view according B2978 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B2978 Fiat Qubo +B2978 Benz 37 +B2978 Delage D +B2978 Alfa Romeo Crosswagon +B2978 Willys-overland 675

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