18447/P2015/008213 - Intake Manifold Flap Position Sensor (Bank 1): Implausible Signal
Possible Symptoms
Malfunction Indicator Light (MIL) ON
Power Loss
Possible Causes
Intake Manifold Flap faulty
Intake Manifold Flap Motor (V157) stuck/faulty
Engine Control Module Software/Firmware Version faulty
Wiring and/or Connector(s) from/to Intake Manifold Flap Motor (V157) faulty
Possible Solutions
Check Intake Manifold Flap
Check/Replace Intake Manifold Flap Motor (V157)
Perform Output Tests/Basic Setting
Check Wiring and/or Connector(s) from/to Intake Manifold Flap Motor (V157)
Special Notes
In some Cases the Issue can only be resolved by Replacing the whole Intake Manifold.
The Intake Manifold Flap Motor (V157) and Manifold Runner Position Sensor (G336) may be Part of the same Unit.
When found in a VW Golf/Jetta (1K): 1.9l PD-TDI (BRM), check Engine Control Module (ECM) Software Version:
03G-906-016-AB @ 7328 or 7550 as well as 03G-906-016-AC @ 7280 or 7551 do have a Software Error which requires a special Adaptation for the Intake Manifold Flap Motor (V157) which at this Point can only be performed with the Factory Tool.