FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

DTC 17965



SAE VAG Description
P1557 17955 Charge Pressure Control Positive Deviation

- Wastegate bypass regulator valve, checking. Wastegate Bypass Regulator Valve, Checking

- Charge pressure regulation, checking. Boost/Charge Pressure Regulation, Checking