4-24
Copyright 2017 Cummins Inc.
TABLE 4-14. SENDER WARNINGS (204 OR 213)
WARNING
Many troubleshooting procedures present hazards that can result in severe personal inju-
ry or death. Only qualified service personnel with knowledge of fuels, electricity, and machinery haz-
ards should perform service procedures. Review Important Safety Instructions page.
Indicator(s) Possible Cause Corrective Action
“OIL
PRESSURE
SENDER”
warning
(204)
message.
1. The sender connections could be bad.
2. The sender, the harness, engine inter-
face board (A31), digital board (A32),
or analog board (A33) could be faulty.
1. Check the sender connections.
*2. Isolate to the sender, harness, engine interface
board (A31), analog board (A33), or digital
board (A32).
Disconnect the oil pressure sender leads, and
connect an oil pressure sender simulator to the
harness.
“OIL PRES SENDER” warning is displayed
after the fault condition is sensed for 10 sec-
onds.
a. If the control responds to the simulator, re-
place the sender.
*b. If the control does not respond to the simulator,
the PCC or the harness is bad. Install harness
tool between A31 J2/P2.
Check for +5 VDC at the sender (lead marked
E1-B). If there is no 5 VDC at the sender
Check for 5 VDC at A31 J5-18.
If yes, harness is bad. If no, check for 5
VDC at A31 J2-24.
If yes, A31 is bad. If no, A33 is bad.
If there is 5 VDC at the sender, use the sender
simulator to generate a signal to A31 J2-23. If
the pressure signal (0.5 to 4.5 VDC) does not
get to A31 J2-23, isolate to the harness or A31.
If the pressure signal does get to A31 J2-23, re-
fer to the analog/digital troubleshooting proce-
dure (Table 4-30a/b).
“COOLANT
SENDER”
warning
(213)
message.
1. Check the sender connections.
*2. Isolate to the sender, harness, engine interface
board (A31), analog board (A33), or digital
board (A32).
Disconnect the sender, and plug in a resistive
sender simulator to isolate the fault.
a. If the control responds to the simulator, re-
place the sender.
b. If the control does not respond to the simu-
lator, refer to the high coolant temp trou-
bleshooting procedure.
1. The sender connections could be bad.
2. The sender, the harness, engine inter-
face board (A31), digital board (A32),
or analog board (A33) could be faulty.
*CAUTION: Wearing a wrist strap, set S12 to Off and A32 S5 to Standby before connecting/disconnecting harness plugs.
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