please help!! speedo issues!!
All at once my truck shifted out of o/d and no speedometer.... plus i lost cruse a few monts ago and my a/c quit working the day my speedo quit.... i dont understand!! I replaced the speed sensor still nothing... checked fuses and all my tps stuff... i dont know what to do and i have a trip this weekend!!
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My problem was the VSS (Vehicle Speed Sensor). Lost O/D and speedo.. Cruise hasn't worked in a long time.. and neither has my A/C, I'm guessing your A/C issue is not related to your speedo and O/D issue.
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My a/c works now... and i replaced the speed sensor and checked the gear that turns it... still nothing... i grounded my overdrive solenoid so i can drive it till i fix the real problem...
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Anything else that i could do to trace the problem down?
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In my experience, if the VSS isn't the culprit, it's the PCM. This is so common it's unreal.
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The computer?
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Yeah, PCM=powertrain control module=computer. It controls very little; the speedometer/overdrive, the air conditioning, voltage regulation from the alternator, and grid and fuel filter heaters.
Decomputerizing it is an option. I'm elbow-deep in a Cummins Ramcharger swap and I'm deleting the PCM. |
But everything else works... even the grid heater... is it common for just one thing to go out?
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Originally Posted by dodgeramit10
(Post 1060262)
But everything else works... even the grid heater... is it common for just one thing to go out?
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Will a gas burner pcm work on my truck?
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