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 2013 BB cummins very strange goings on
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genescammell
Active Member

USA
22 Posts

Posted - 06/08/2015 :  12:04:55 PM  Show Profile  Reply with Quote
when the unit is started the park break light will blink and there is a beeping the spedo shows 30 mph then the engine will speed up to 2800 rpm and the spedo will go to 100 mph then the unit will calm down for 20 to 30 sec then it will do it over and over again the parking brake is set and the unit is locked out of drive any help would be great i have not worked on these units yet thanks

tigger2
Advanced Member

USA
470 Posts

Posted - 06/08/2015 :  6:50:33 PM  Show Profile  Click to see tigger2's MSN Messenger address  Reply with Quote
Do you have Cummins software? It may have low batt voltage or cold high idle mode problems or a dash module problem.
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