Sorry.
The '-' preceding the 05 means that the code 05 was generated during a pre-trip (unit diagnostic test mode).
'05' is the same as '5', just preceded by a 0..
Hope this helps.
John.



Quote Originally Posted by Frozen P
Thank you for your answer...I know that code 5 is the Ambient Air sensor, but the problem is the code is "-05" with a hyphen and a zero before the 5. Do you know what this code means?