P1389 NO START CORRECT CPS RESISTANCE

  • Tiny
  • big4570
  • 1999 Jeep Grand Cherokee
  • 185,000 miles

P1389 no start correct cps resistance

Wednesday, April 24th, 2013 AT 5:52 PM

1 Answer

  • Tiny
  • Dr. Hagerty
  • Expert
  • 9,713 posts

Swap the horn for the ASD relay and see if it lights. Low voltage from the crankshaft position sensor will cause the PCM to shutdown the ASD which will cause this code. As long as the ASD relay is good and seated properly, I would suspect that the crankshaft position sensor is going bad.

Was this
answer
helpful?
Yes
No
Wednesday, April 24th, 2013 AT 6:23 PM

Please login or register to post a reply.

Similar Questions