Trailer Jockey Operators Handbook
57
656
{0}
Injector Cylinder Number 6 -
Mechanical System Not
Responding Properly or Out of
Adjustment. Unattended
fueling detected in cylinder
Number 6.
Engine will shut down.
27
{0}
EGR Valve Position Sensor
Circuit - Data Erratic,
Intermittent, or Incorrect.
Possible low power EGR valve
will be closed.
2795
{0}
Variable Geometry
Turbocharger Position Sensor
Circuit - Data Erratic,
Intermittent, or incorrect.
Possible low power. Power to
the turbocharger actuator will
be limited.
094
{18}
Fuel Pump Delivery Pressure
Data Valid but Below Normal
Operational Range -
Moderately Severe Level. The
ECM has detected that fuel
pressure in the fuel rail is
lower than commanded
pressure.
Possibly hard to start, low
power, or engine smoke.
094
{16}
Fuel Pump Delivery Pressure -
Data Valid but Above Normal
Operational Range -
Moderately Severe Level. The
ECM has detected fuel
pressure in the fuel rail is
higher than the commanded
pressure.
None or possible engine noise
associated with higher
injection pressures (especially
at idle or light load).
1075
{3}
Fuel Priming Pump Control
Signal Circuit - Shorted High.
High signal voltage detected at
the Electric Supply/Lift Pump
Circuit.
Engine will not run or runs
poorly.
1075
{4}
Fuel Priming Pump Control
Signal Circuit - Shorted Low.
Low signal voltage detected at
the Electric Supply/Lift Pump
Circuit.
Engine will run poorly at idle.
Engine will have low power.
Fuel pressure will be higher
than commanded.
027
{3}
Exhaust Gas Recirculation
Valve Position Circuit -
Shorted High. High signal
voltage detected at the EGR
Valve Position Sensor Circuit.
Possible low power. EGR
valve will be closed.
Table 4-2 CM850 System Fault Codes (Cont.)
Fault
Code Reason Effect
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