View source for 17963/P1555/005461

=== 17963/P1555 - Boost Pressure Control: Upper Limit Exceeded ===

==== Possible Symptoms ====

* Boost pressure too high
* Reduced power output (limp mode)

==== Possible Causes ====

* Hoses/Pipes incorrect connected, disconnected, blocked or leaking
* Charger Pressure Control defective
** Solenoid Valve for Boost Pressure Control (N75) defective
* Turbocharger defective

==== Possible Solutions ====

* Check Hoses/Pipes to/between Components
* Check Charge Pressure Control
** Check Solenoid Valve for Boost Pressure Control (N75)
* Check turbocharger