Quote:
Originally Posted by Gus6174
Hi There,
I have a 2012 X1 and have been dealing with the famous 2C57 code for a while. The code description leads one to believe it is a leak in the intake/intercooler tubes resulting in low boost pressure and I chased that for a while. After exhausting my wits, I took the vehicle to the dealer, first time leaving without a diagnosis, then complaining and visiting a second time to have it diagnosed correctly (on their dime second time). This is not a leak in the intake tubes but rather a worn out waste gate and thus low/no boost … resulting in it going in to limp mode ( does not display the CEL but rather displays the half shaded engine in the middle display where you see the low fuel light for example. I have a replacement turbo assy on its way and will replace soon. Am looking forward to having all horses back!!
NOTE: One fact in diagnosing this, once this happens initially, the limp mode will trigger more often becoming more prevalent as the wastegate mechanism wears mechanically.
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Thanks for replying! Now that you mentioned the Wastegate I have been getting error codes for it as well, I have been wanting to check with with a scanner to test the open and close position and adjust it manually if it’s off.