Trailer Jockey Operators Handbook
55
103
{18}
Turbocharger Number 1 Speed
Low - Warning Level. Low
turbocharger speed has been
detected
Engine power derate. The
ECM will use an estimated
turbocharger speed.
190
{2}
Primary Engine Speed Sensor
Error.
Engine power derate.
1172
{3}
Turbocharger Number 1
Compressor Inlet Temperature
Sensor Circuit - Shorted High.
High signal voltage detected at
the Turbocharger Compressor
Inlet Air Temperature Sensor
Circuit.
Engine power derate.
1172
{4}
Turbocharger Number 1
Compressor Inlet Temperature
Sensor Circuit - Shorted Low.
Low signal voltage detected at
the Turbocharger Compressor
Inlet Air Temperature Sensor
Circuit.
Engine power derate.
723
{7}
Engine Speed/Position
Number 2 - Mechanical
Misalignment Between
Camshaft and Crankshaft
Sensors. Engine position
signal from the engine speed
sensor and camshaft position
sensor do not match.
Engine power derate.
723
{2}
Secondary Engine Speed
Sensor Error. The ECM has
detected an error in the
camshaft position sensor
signal.
Engine power derate.
1590
{2}
Loss of Communication with
Adaptive Cruise Control.
Adaptive Cruise Control will
not operate.
166
{2}
Cylinder Power imbalance
Between Cylinders. A power
imbalance between cylinders
was detected by the ECM.
Engine could possibly have a
rough idle or misfire.
Table 4-2 CM850 System Fault Codes (Cont.)
Fault
Code Reason Effect
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