p16a4 what is this

Question

Honda accord 2006-   2002ictdi   I  have two codes p2004 and
p16a4 what does the second refer to

Answer 1

Hi there,

This code indicates an issue with the ECM. Here is some info for you.

P16A4 HONDA - Engine Control Module Internal Malfunction

Read more: https://www.autocodes.com/p16a4_honda.html