PROBLEM WITH P0374 ENGINE WILL NOT RUN

Question

P0374 shows on auto scanner. Engine will not start. 2003 Duramax.  What is the solution for this?

Answer 1

P0374 The FICM (Fuel injector control module) receives a invalid crank signal from ECM

The CKP (Crank position sensor) if it is not functional. will set this code, there are 2 possible cause the CKP is non operational, or the FICM is not functional. It is advisable to replace the CKP as a starting point, If a no start is still present the FICM would need to be replaced.