90 KENR6933
Troubleshooting Section
i02527037
CID 0253 FMI 02
Conditions Which G enerate This Code:
The Electronic Control Module (ECM) detects
incorrect engine software.
System Response:
If equipped, t
he warning light will come on.
This diagnostic code is not logged.
Factory passwords are required to clear this
diagnostic code.
Possible Performance E ffect:
Theenginewil
l not start.
Troubleshooting:
The flash file in the ECM is from the wrong engine
family.
Use the electronic service tool to install the correct
flash file into the ECM. Refer to the Troubleshooting
Guide, “Flas
h Programming”.
Perform the following diagnostic procedure: “None”
Results:
•
OK – STOP.
i02527038
CID 0261 FMI 1
1
Conditions Which G enerate This Code:
The Electron
ic Control Module (ECM) detects the
following conditions:
•
The primary
speed/timing sensor and the
secondary speed/timing sensor are off by more
than 8 crankshaft degrees.
•
The engine has been running for more than five
seconds.
•
Diagnostic code 0190-08 is not active.
•
No 0041 diag
nostic codes are active.
System Response:
This code will not be logged. If equipped, the warning
light will be on when this code is active.
Possible Performance Effect:
The pressure i
n the fuel rail may be unstable and the
engine m ay not run smoothly.
Troubleshoot
ing:
Check the timing of the fuel rail pump. Refer to
Disassembly a
nd Assembly, “Fuel Injection Pump
-Install”.
Results:
•
OK – STOP.
i02655638
CID 0262 FMI 03
Conditions W
hich Generate This Code:
The Electronic Control Module (ECM) detects the
following co
nditions:
•
The 5 Volt supply is greater than 5.16 Volts DC for
more than one
second.
•
The ECM has been powered for at least three
seconds.
•
Diagnostic code 0168-01 is not active.
System Response:
The ECM sets a
ll of the pressure sensors and
temperature sensors to the default values.
The ECM will
derate the engine.
Possible Performance Effect:
Theenginewillbederated.
Troublesho
oting:
Perform the following diagnostic procedure: “5 Volt
Sensor Supp
ly Circuit - Test”
Results:
•
OK – STOP.