$e78 and $e7a codes 2013 chevy

Asked by Greg_hock Mar 04, 2021 at 09:29 PM about the 2013 Chevrolet Suburban 1500 LS RWD

Question type: Maintenance & Repair

My 2013 suburban is throwing both an
$e78 and a $e7a code. My reader will
not tell me where I should start trouble
shooting has anyone had this issue
before and if so could you please tell
me what these codes are trying to tell
me.

1 Answer
40,180

TDolby answered 3 years ago

Those are generic codes and not OBDii codes. If your scanner supports OBDii codes, click on each code to go deeper into the menu's to find the OBDii Code. You should then have codes that look like this, P0300 to properly diagnose. If not, then you will have to pick up a better ONDii code scanner.

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