TECHNICAL SERVICE BULLETIN Illuminated Powertrain Malfunction (Wrench) Indicator - Various Diagnostic Trouble Codes (DTC) - Built On Or Before 09-Sep-2021 21-2405 16 November 2021 Model: Ford 2021 Mustang Mach-E Issue: Some 2021 Mustang Mach-E vehicles built on or before 09-Sep-2021 may exhibit an illuminated powertrain malfunction (wrench) indicator and/or display the message Shift System Message Indicator. Action. Park Brake Applied. Red. Displays when the parking brake is set, the engine is running and your vehicle is moving more than 3 mph (5 km/h). If the warning stays on after the parking brake is released, have your vehicle checked by an authorized dealer as soon as possible. I have a 2013 Ford F-350 with a 6.7 diesel. The batteries where changed and the the BCM was removed to inspect. After putting together I have the fault in starting system. Does the BCM have to be repr … read more Mk2 Ford focus C max immobiliser stuck on. Normally due to poor solder joints inside the instrument cluster. If you are stuck in the middle of nowhere and h The new fault code added is P0456, for a .020-in. small leak. In 2005, Ford began phasing in a different method to check for .020-in. leaks. The system is called an engine off natural vacuum (EONV), and primarily uses the CVS and FTPS after the vehicle is shut off to check the gas vapor system. 1. Battery Cables If you have a battery post that looks like this, it may be keeping your C-Max from starting. Start by taking a look at the battery posts. If they are loose or corroded, it acts as a barrier that can keep the starter from getting the voltage it needs to crank the engine. System Fault won’t start. Mechanic's Assistant: Have you checked the battery, particularly the terminal connections? Are they corroded? Which one this is hybrid cmax. Mechanic's Assistant: What is the model/year of your Ford? 2014. Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far? Finally, let us take a look at how to fix Ford’s start stop system that is not working. 1. Charge the Battery. The first thing you should do is charge the battery. you can charge your vehicle battery by: Driving a few miles: The best way is to drive the car for a few miles. FUPf.