Trailer Jockey Operators Handbook
49
94
{2}
Fuel Pressure Sensor Circuit -
Data Incorrect. The ECM has
detected that the fuel pressure
signal is
not
changing.
The ECM will estimate fuel
pressure and power will be
reduced.
1347
{4}
High Fuel Pressure Solenoid
Valve Number 1 - Shorted
Low. Low signal voltage
detected at the EFC Actuator
Circuit.
Engine will run poorly at idle.
Engine will have low power.
Fuel pressure will be higher
than commanded.
1347
{3}
High Fuel Pressure Solenoid
Valve Number 1 - Shorted
High. High signal voltage
detected at the EFC Actuator
Circuit.
Engine will
not
run or engine
will run poorly.
1043
{4}
Engine Speed/Position Sensor
Number 1 (Crank- shaft)
Supply Voltage Circuit -
Shorted Low. Low voltage
detected on the ECM voltage
supply line to the engine speed
sensor.
Possible hard starting and
rough running.
639
{9}
SAE J1939 Multiplexing PGN
Timeout Error. The ECM
expected information from a
multiplexed device but did
not
receive it soon enough or did
not
receive it all.
At least one multiplexed
device will
not
operate
properly.
639
{13}
SAE J1939 Multiplexing
Configuration Error. The ECM
expected information from a
multiplexed device but
only
received a portion of the
necessary information.
At least one multiplexed
device will not operate
properly.
91
{19}
SAE J1939 Multiplexing
Accelerator Pedal Sensor
System Error. The OEM
vehicle electronic controls unit
(VECU) detected a fault with
its accelerator pedal.
The engine will
only
idle.
Table 4-2 CM850 System Fault Codes (Cont.)
Fault
Code
Reason
Effect
Summary of Contents for TJ5000 DOT
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