Correct Cps Resistance

1999 JEEP GRAND CHEROKEE
185,000 MILES
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BIG4570
  • MEMBER
  • 1 POST
p1389 no start correct cps resistance
Apr 24, 2013 at 5:52 PM
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DOCHAGERTY
  • CAR REPAIR CONTRIBUTOR
  • 9,606 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.
Jan 5, 2020 at 7:49 PM
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