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Computer codes

Tiny
GDADDY
  • MEMBER
  • DODGE RAM
2000 Dodge Ram 110k miles While driving, I lost all gauges on the instrument panel. The display read
No bu5 obd came back p-0720 and p-1687 After sitting, the cluster was normal while cold but as soon as the engine warmed, the same problem came back.
Can you tell me what these codes mean? Thanks
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Thursday, November 1st, 2007 AT 3:35 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
P0720= output speed sensor curcuit. Thats the output shaft on the tranny.
P1687= no mechanical instrument cluster bus message. May be the sensor, but more lilsey thw wires at the output sensor.
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Thursday, November 1st, 2007 AT 3:45 PM

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