View source for 19804/P3348/013128

== 19804/P3348/013128 - Control Circuit for Controller for Turbocharger 1 (J724): Electrical Malfunction ==

==== Possible Symptoms ====

* Malfunction Indicator Light (MIL) ON

==== Possible Causes ====

* Fuse(s) faulty
* Wiring and/or Connector(s) from/to Controller for Turbocharger 1 (J724) faulty
* Controller for Turbocharger 1 (J724) faulty
* Faulty Turbocharger

==== Possible Solutions ====

* Check Fuse(s)
* Check Wiring and/or Connector(s) from/to Controller for Turbocharger 1 (J724)
* Check/Replace Controller for Turbocharger 1 (J724)
** Perform (Selective) Output Test, the Vane Positions should change visibly and audibly
** Perform System Test using VAS 6395
*** See TPI 2016032 for additional information when this DTC is found in vehicles with Siemens E-regulators.  That document lists specific environmental conditions shown by the VAS 6395 tool that may help determine if the E-regulator -or- mechanical components such as the Turbocharger itself are faulty.

==== Special Notes ====

* When stored in the 3.0l TDI (ASB/BKS/BMK/BNG) with throttle body faults [[P106B/004203]] and/or [[17988/P1580/005504]] check the throttle unit and wiring for issues that may be falsely causing the turbocharger fault. ''This note is in reference to customer feedback, not official TSB or TPI documentation.''


[[Category:Fault Codes]]
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