04.5-05 LLY Duramax Powertrain
On Going Issues With P2149, P0202, P0203 and P0208 codes.
The problem started with the engine going into “limp” mode and throwing codes P2149, P0202, P0203 and P0208. I replaced the #2 pigtail and still had the problem so I swapped the FICM from another truck along with the filter head. It...