17924/P1516/005398
From Ross-Tech Wiki
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.