17964 fault code audi May 12, 2010 路 Diagnosing a 03 Audi Allroad apr chip and all stock 17964/P1556 - Charge Pressure Control: Negative Deviation No other codes I just purchased this car with no previous owner history and it being in what seems to me, limp mode or not boosting. The code I´m getting in vag is of course 17964-p1556. Aug 6, 2006 路 However, it has been holding around 0. Jan 1, 2009 路 I´m having a problem with my car it´s A6 1,9 TDI engine code AVF. 5 Jetta TDI DSG, 2012 GolfHighline TDI DSG Jun 3, 2011 路 MAF fault won't give low pressure fault code. Most likely fault is damaged vacuum hose or faulty turbo actuator. Tryied kickdown function= Limp mode. It got so bad that I couldn't even make it to the 1/8 mile mark at the track before it would go into soft limp. 8 bar and hopping of chipped mod under heavy acceleration by the time I am in third. No CEL shown. 4 well within the scope, DV's are fine, turbo's are good and I don't have a CEL just the 17964 fault code. Faulty N75 is possible but they don't fail much. VCDS says the following: Possible Symptoms Reduced power output Limp mode Possible Causes Boost Pressure too Low Hoses/Pipes incorrect connected, disconnected or leaking Charger Pressure Control Dec 27, 2014 路 Last time it was a boost leak, fixed it and it was fine. This time Boost leak check last night with smoke came up negative, no leaks. 9TDI 110ps - NOT PD) is suffering power loss and has fault code 17964. Have changed following things:-Maf-Vacuum lines-N75-N18-Chk and cleaned intake manifold-Chk and cleaned EGR-Changed Turbo. If I accelerat slowly I get a speed of 120-130 km/h then Limp mode. I checked the n75 ohm value and it is 30. The Only code that pops is the P1556/17964 - Charge Pressure Control: Negative Deviation. Mar 17, 2011 路 Hi My A3 (2000 1. I VAG COMed it and showed only one code: 17964 charge pressure control: negative deviation. Apr 21, 2009 路 Joined Jan 9, 2009 Location Long Sault, Ontario TDI 2006. sogti zjswmf pbys rxzorna idjnqfgcm wnzyrkr ojyy jksy eyvxw caomg