1999 Dodge Ram "no Bus" & no start

Tiny
TOM2OIL
  • MEMBER
  • 1999 DODGE RAM
  • V8
  • 2WD
  • AUTOMATIC
  • 123,000 MILES
Engine was running fine. Shut it off. Tried to start later. Won't start and have a "no bus" on cluster. Have no spark, fuel pump only works when jumped, ASD relay has been checked OK. Bus+ & bus- both have 2.5vdc.
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Sunday, May 2nd, 2010 AT 4:11 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
The no bus code indicated the computer has lost signal. Check the wiring harness to the PCM to make sure there is no corrosiion and it is tight. If it looks good, have the PCM tested.
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Sunday, May 2nd, 2010 AT 10:33 PM
Tiny
TOM2OIL
  • MEMBER
Found grounded wire on Crank Position Sensor. Installed new sensor. Truck starts and runs fine.
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Wednesday, May 12th, 2010 AT 5:52 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Excellent job! Glad you found it. Let us know if you have questions in the future.
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Thursday, May 13th, 2010 AT 8:17 AM

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