July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC P1512: IMRC Shutter Valve Stuck Closed: Condition

PCM monitors intake manifold runner control (IMRC) circuit voltage. DTC is set when PCM terminal No. 3 voltage is 1.6-4.9 volts for 3.2 seconds when IMRC valve is open. Possible causes are:

Open circuit.
Connector or terminal malfunction.
IMRC malfunction.
PCM malfunction.