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Car codes

Tiny
REARDRIVE
  • MEMBER
  • 1997 CADILLAC DEVILLE
  • 208,019 MILES
97 cad. Deville northstar; code po550 pop up on the onboard computer I can not find this code in the code section what this code mean and how to fix it. I replace the idle control switch last month and code p1654 what this mean, how you go by fixing these problems thank you
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Sunday, May 26th, 2013 AT 6:56 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
That is a powersteering switch chec fuse first may be underhood then have apro scan it as that is the only way to tell what is wrong.
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Sunday, May 26th, 2013 AT 8:25 AM
Tiny
REARDRIVE
  • MEMBER
  • 93 POSTS
Is this the answer to code po550, if is the answer now what code p1654 mean, what can I do to fix it
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Sunday, May 26th, 2013 AT 11:09 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Dowhat I said in first response for 550 the second one is cruise control has no output, both of these need to have a pro type scan tool hooked up to it to see where the problem is. So take it to a mechanic and have h im scan it to find the problem. Just like I said in first response.
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Sunday, May 26th, 2013 AT 11:18 AM

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