17924/P1516/005398 - Intake Manifold Valve (N156): Open Circuit
Possible Causes:
Wiring from/to Intake Manifold Valve (N156) faulty
Intake Manifold Valve (N156) faulty
Possible Solutions:
Check/Replace Intake Manifold Valve (N156)
Perform Output Test.
Use Scope to check Activation Signal while performing an Output Test.