grafteratwork 2 Posted March 17, 2010 Report Share Posted March 17, 2010 hi there had my frind plug my car in on his lap top and these 3 codes keep poping up could one thing be making be broke and make other other two codes show ??????????????Control Module Part Number: 021 906 256 Component and/or Version: MOTRONIC M3.8.1 HS V02 Software Coding: 00000 Work Shop Code: WSC 013173 Faults Found:00553 - Mass Air Flow Sensor (G70) 31-10 - Open or Short to Ground - Intermittent00525 - Shareware Version. To Decode all DTCs 29-00 - Please Register/Activate00524 - Shareware Version. To Decode all DTCs 31-00 - Please Register/Activate Link to post Share on other sites
thegoth 5 Posted March 17, 2010 Report Share Posted March 17, 2010 525 is O2 sensor voltage low524 is knock sensor 1 Link to post Share on other sites
grafteratwork 2 Posted March 17, 2010 Author Report Share Posted March 17, 2010 525 is O2 sensor voltage low524 is knock sensor 1so do i need to replace all three or could it be the air mass sensor making the other two show up?? thanks goth Link to post Share on other sites
thegoth 5 Posted March 17, 2010 Report Share Posted March 17, 2010 i guess a poor air / fuel mixture could throw the o2 sensor and also cause knocking. But i'm no mechanic! Did your friend clear the codes? Link to post Share on other sites
grafteratwork 2 Posted March 17, 2010 Author Report Share Posted March 17, 2010 yes mate bet they returned ? should i try changing the maff first thanks again Link to post Share on other sites
Recommended Posts