P0661 Cadillac Intake Manifold Runner Control Valve Position Sensor Circuit Low Voltage

P0661 Cadillac Intake Manifold Runner Control Valve Position Sensor Circuit Low Voltage

Possible causes
– Faulty Intake Manifold Runner Control (IMRC)
– Intake Manifold Runner Control harness is open or shorted
– Intake Manifold Runner Control circuit poor electrical connection
What about the obd code?
If the output voltage from the Intake Manifold Runner Control (IMRC) valve position sensor is lower than a set value, a malfunction is detected and the P0661 Cadillac code will set.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0661 Cadillac Description

The Intake Manifold Runner Control (IMRC) valve position sensor is mounted on the IMRC valve shaft and detects an IMRC valve position. The IMRC valve position sensor includes the brush that moves with the IMRC valve, and it has a linear signal output in relation to the IMRC valve position when sliding on the board. The Engine Control Module (ECM) monitors the IMRC valve position sensor voltage which represents the IMRC valve position.

Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade EXT , Cadillac ATS , Cadillac CTS , Cadillac CTS Sedan , Cadillac CTS Sport Sedan , Cadillac CTS-V , Cadillac CTS-V Sedan , Cadillac Catera , Cadillac DTS , Cadillac DeVille , Cadillac STS-V , Cadillac STS , Cadillac Seville , Cadillac XTS , Cadillac XLR , Cadillac XLR Platinum , Cadillac Escalade , Cadillac SRX