S65 tcu code errors ?
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09 S65 AMG W221
S65 tcu code errors ?
Hey guys, i recently got my ecu & tcu. Before that i scanned my car and didnt have anything pop up. Sent out the tcu, got it back plugged it back in. Drove about 300 miles and got a check engine light. Went to see whats up and i get this code. Anyone seen this before, or have any experience with this ? Code : P0731 - Gear 1 incorrect ratio