1997 Cadillac Concours pcm codes

Tiny
KELLYZ
  • MEMBER
  • 1997 CADILLAC DEVILLE CONCOURS
  • 4.6L
  • V8
  • FWD
  • AUTOMATIC
Po349 ignition control (ic) mkdule cam referance circut no freguency. What do I check?
Sunday, April 19th, 2015 AT 1:44 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Disconnect ignition module where cam sensor hooks up to check resistance to cam sensor at C2 position should be 800-1200 ohms. If less than 800 replace sensor. Other than that have a pro look at it because there is a short someplace.
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Sunday, April 19th, 2015 AT 3:55 PM

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