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  1. Volkswagen Passat B5 Discussion
    Hi all. I have this intermittent issue where sometimes (very rare for now) at speed you feel the engine is very very sluggish, like there is no turbo anymore. A scan shows the following error: Address 01: Engine Labels: 038-906-019-AVF.lbl Control Module Part Number: 038 906 019 KE...
  2. B5 Garage
    Have had success on here in the past, and was hoping someone could give me some more specific advice than what I've found so far though a ton of googling. Currently I am experiencing a loss of boost in acceleration, not hearing that all familiar pssss when I hit the gas. The code i'm getting...
  3. Volkswagen Passat TDI Discussion
    Hi, As the topic says i get the famous 17965 - Charge Pressure Control: Positive Deviation. The subject is a 2001 B5.5 Passat 1.9 TDI 101HP. I have done a lot of reading, and searching and a lot of parts changing, but the car is still sick. The problem occurs seemingly very seldom, minimum half...
  4. B5 Garage
    I have a 1.9tdi 130. 90K with full VW history. Recently it has started to go into limp mode when accelerating above 3000rpm. Initially had Vag Com and no faults registered. Problem occurs mainly after initial start of the car (i.e First thing in the morning or when it has been left standing for...
  5. Volkswagen Passat TDI Discussion
    Hi Car kept going into limp mode but no EML or fault codes. I recreated the problem several times and eventually done a vag com test today and got following code : 17965 charge pressure control positive deviation p1557 - 35-00 Reset and recreated problem (going into limp mode when accelerating...
  6. Volkswagen Passat B5 Discussion
    As soon as I thought everything was perfect. ;) VAG-COM Version: Release 311.2-N Control Module Part Number: 4B0 906 018 Q Component and/or Version: 1.8L R4/5VT G 0006 Software Coding: 07551 Work Shop Code: WSC 30011 4 Faults Found: 17964 - Charge Pressure...
  7. Volkswagen Passat B5 Discussion
    Any idea what this is about? i am stumped and searching only brought up minimal data. fuel trims are -2.3% and -25% :icon_eek:, i need to check into that, also my post cat O2 is dead but that shouldn't cause that issue should it? i cleared the P1556 and it came back so something is not...
  8. Volkswagen Passat B5 Discussion
    I have a 2000 passat 1.8t apu. Car is chipped to 1.1bar health turbo I think all vacum hoses and boost hoses are ok but am only making around 13 -15 psi. N75 valve ok all PVC system replaced but still get the negative boost deviation code!. Tried running without wastgate control but no luck...
  9. B5 Garage
    Got this error: 17961 - Charge Pressure Control: Negative Deviation P1556 35-10 Intermittent I have an MBC on my AEB and have been slowly bringing up the boost and watching my fuel trims (32) and my knock sensors (20). I am surprised by this error because I understand my engine can't measure...
  10. Volkswagen Passat B5 Discussion
    It's me again... :roll: Can anybody help me? I get the negative deviation error (17964 - Charge Pressure Control: Negative Deviation / P1556 ) , with performance software, revo in this case, but not with stock program, I installed Forge DV, changed N75, also failed with bypassed N249, changed...
  11. Volkswagen Passat B5 Discussion
    What is this error? I get it periodically and it always triggers an emissions workshop. Is it related to the secondary air injection system? Thanks..
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