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Disconnect the battery, keep it disconnected for five to 20 minutes, reconnect the battery.
Services from Freightliner Columbia provides maximum reliability, durability, and efficiency in the Freightliner Columbia trucks. The trucks reduce wind resistance and provides great fuel economy.
Freightliner dealership.
No
If you're not the original owner, it's possible that the ECM was replaced at some point.
you cant
The best way is to identify the cause of the faults, and fix them. If you need to reset the ECM, disconnect the positive from the battery, let it sit for at least five minutes, then reconnect the battery.
You can reset the ecm with a scan tool or by unhooking the battery.
To reset the ECM remove the battery cable (s) for a few minutes. Replace cable. ECM has been reset.
Just unhook the battery cables for 5 mins, That will reset the ECM
Assuming you're referring to the speed governor, it's programmed into the motor's ECM.
The highest point on a Freightliner Columbia will typically be the exhaust system, which may be up to 13'6 high, and regardless of sleep height, that constitutes the overall height of the power unit itself.