Forum Discussion
Me_Again
Apr 13, 2015Explorer III
Ductape wrote:
FCA knew that truck had the ratio before it was delivered. Without the correct ratio in the PCM the vehicle goes into limp mode right away. All the wheel speed and trans sensors must agree on RPM or else no go.
And you know this because? The larger RAM's get speed from a differential sensor and gears can be change without effecting anything else. Chris
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