When the car engine is not working properly, you need to test the car and car engine P2276 Code. The powertrain problem is general problem and the main problem is here powertrain. The car engine trusts on the glow plugs to produce heat to support with the ignition cycle. Some car engines only use the glow plugs when becomes cold but others will permit the glow plugs to work when the ECU or vehicle’s computer needs them to be on to support with burning. Problems in this car engine area will source can be diesel engine starting difficulties, rough running and white smoke when the car engine is cold.