View source for 17964/P1556/005462

=== 17964/P1556 - Charge Pressure Control: Negative Deviation ===

==== Possible Symptoms ====

* Boost pressure too low
* Reduced power output
* Limp mode

==== Possible Causes ====

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

==== Possible Solutions ====

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

[[Category:Fault Codes]]