Bobcat T450 help needed

[neoblue456]

Have a 2015 T450 hard start
Shoots out white smoke and black soot out exhaust
Codes:

M6802
E000637

 

[fortworth-cowboy]

You have the D18 or the D24 Doosan Engine?
M6802 has something to do with your HVAC Relay.
The E-Code is a Fault with your Cam Signal Sensor.
Check your Engine Harness, that thing loves to break wire by the Crossover from the Engine to the ECU.