No power to OBD2?

Tiny
ROCKY VIGIL
  • MEMBER
  • 2001 CADILLAC DEVILLE
  • 170,000 MILES
No power for diagnostics. No dash lights no crank.
Saturday, September 23rd, 2023 AT 4:39 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
How is the battery? I would check the battery and connections first to confirm the system has 12 volts.

These guides can help:

https://www.2carpros.com/articles/car-battery-load-test

and

https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked

Please go over these guides and get back to us.
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Saturday, September 23rd, 2023 AT 12:23 PM

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