Cruise control on 2007 T-800. Will work when parked. Will not work going down road. What could be the problem?
Cruise control
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Lowboy265, Sep 24, 2020.
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Engine? My first step would be to check vehicle speed and park brake signals in ECM. ECM doesnt need vehicle speed to idle bump when parked.
Also make sure the clutch a brake pedals are released fully.spsauerland and truckdriver31 Thank this. -
take you left foot and pull up on the clutch pedal and try setting cruise then. i once had a freightliner that the clutch pedal was out of adjustment and wouldnt let cruise work
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truckdriver31 and Concorde Thank this.
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