Cummins isx12 need help

Techmaster

Rookie Expediter
Mechanic
Calibrated ECM to most current update and now I have no fuel pedal...tried to do key on pedal down 3 times slowly but no luck...truck has to be back to customer tonight and I'm a little baffled here..
 

Hino123

Expert Expediter
Researching
Im pretty sure there is a TSB on that issue. I ran across it a few times when updating Ambulance/ fire truck ecu's
 

Techmaster

Rookie Expediter
Mechanic
Yea, threw me right off. I unplugged the pedal with keyon, plug back in and performed pedal calibration and it worked like a charm.
 
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