Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition
If engine speed (RPM) is above 3500 rpm and the engine is operating at a high load, and if the boost pressure (from the boost pressure sensor) is higher than a designated value, which at maximum boost pressure is approximately 20kPa (2.9psi) above normal boost pressure, this is interpreted as a fault and diagnostic trouble code (DTC) ECM-6805 is stored.

Substitute value
reduced boost pressure

Possible source
- hoses between turbocharger (TC) and turbocharger (TC) control valve respectively turbocharger (TC) control valve and pressure servo are loose or are blocked/damaged
- faulty turbocharger (TC) control valve
- faulty boost pressure control (BPC) valve pressure servo
- sticking boost pressure control (BPC) valve

Fault symptom[s]
- none