Video on the Diagnostic P0449 with or without accompanying P0455, If vehicle does not pass this test after going through described steps you will want to look for a open in the circuit , short to ground or short to power. If no problems are found with circuit concern could lie in ECM. Please like and subscribe, I will be putting up more of these videos under the tag Angry Technician. Thanks and go fix something.
9 май 2013