Help anyone seen this code.
Eng 1 Spn 636 Fail 2
Got this code today. 1 CEL below 75 above 75 two check engine lights. Any advice on how to fix ?
2014 Cascadia: Eng 1 Spn 636 Fail 2
Discussion in 'Freightliner Forum' started by 214Trucking, Nov 29, 2019.