SPN SID FMI
Blink
Code
Description
Warning
Light
System
Reaction
Cause Action
Engine Retarder Relay, Automatic Third Brake Application Relay
801 13 3 7 + 3
Shorted to
UBATT
ABS WL
Hardwired
Retarder Control
is Disabled
Continuity between
the retarder relay
output and the
battery voltage has
been detected.
• Check for continuity between the retarder relay output and voltage supply.
• Check for corroded or damaged wiring between the ECU and the relay.
• Verify if vehicle is equipped with an engine retarder relay or a third brake relay such as driveline
brake, exhaust brake or engine brake. If hardwired retarder control is not installed on the
vehicle but this fault is present, the operator should perform “Reset Memorized Components”
TOOLBOX™ Software procedure.
• Verify with the OEM if (connector X1 pin 14 Cab ECU or connector X1 pin 5 Frame ECU) circuit
is used on the vehicle, circuit has many possible uses other than a retarder, prior to performing a
“Reset Memorized” or “Reconfiguring” the ECU.
801 13 5 7 + 3 Open Circuit ABS WL
Hardwired
Retarder Control
is Disabled
ECU has detected
that the retarder relay
is not connected
but was previously
learned.
• Check for broken wires or connectors and verify all connections are fully seated, relay present
and operational.
• Check for corroded or damaged wiring between the ECU and the relay.
• Verify if vehicle is equipped with an engine retarder relay or a third brake relay such as driveline
brake, exhaust brake or engine brake. If hardwired retarder control is not installed on the vehicle
but this fault is present, the operator should perform “Reset Memorized Components” through
TOOLBOX™ Software procedure.
• Verify with the OEM if (connector X1 pin 14 Cab ECU or connector X1 pin 5 Frame ECU) circuit
is used on the vehicle, circuit has many possible uses other than a retarder, prior to performing a
“Reset Memorized” or “Reconfiguring” the ECU.
801 13 6 7 + 3
Shorted to
Ground
ABS WL
Hardwired
Retarder Control
is Disabled
Continuity between
the retarder relay
output and ground
has been detected.
• Check for continuity between the retarder relay output and ground.
• Check for corroded or damaged wiring between the ECU and the relay.
• Verify if vehicle is equipped with an engine retarder relay or a third brake relay such as driveline
brake, exhaust brake or engine brake. If hardwired retarder control is not installed on the vehicle
but this fault is present, the operator should perform “Reset Memorized Components” through
”TOOLBOX™ Software procedure.
• Verify with the OEM if (connector X1 pin 14 Cab ECU or connector X1 pin 5 Frame ECU) circuit
is used on the vehicle, circuit has many possible uses other than a retarder, prior to performing a
“Reset Memorized” or “Reconfiguring” the ECU.
Other Components
701 3
Shorted to
UBATT
HSA WL HSA Disabled
AUX1-Output,
shorted to UB
detection.
• A short circuit to UB of the AUX1-Output line was detected.
− HiSA function: The AUX1-Output used in HiSA functionality. The AUX1-line is set with
the HiSA lamp.
701 4
Shorted to
Ground
HSA WL HSA Disabled
AUX1-Output,
shorted to GND
detection.
• A short circuit to GND of the AUX1-Output line was detected.
− HiSA function: The AUX1-Output used for HiSA functionality. The AUX1-line is set
with the HiSA lamp.
701 5 Open Circuit HSA WL HSA Disabled
AUX1-Output, open
circuit detection.
• An interruption of the AUX1-Output line was detected.
− HiSA function: The AUX1-Output used in HiSA functionality. The AUX1-line is set with
the HiSA lamp.
702 3
Shorted to
UBATT
HSA WL HSA Disabled
AUX2-Output,
shorted to UB
detection.
• A short circuit to UB of the AUX2-Output line was detected.
− HiSA function: The AUX2-Output could be used for HiSA functionality. The AUX2-line
is set with the HiSA switch.
702 4
Shorted to
Ground
HSA WL HSA Disabled
AUX2-Output,
shorted to GND
detection.
• A short circuit to GND of the AUX2-Output line was detected.
− HiSA function: The AUX2-Output could be used for HiSA functionality. The AUX2-line
is set with the HiSA switch.
702 5 Open Circuit HSA WL HSA Disabled
AUX2-Output, open
circuit detection.
• An interruption of the AUX2-Output line was detected.
− HiSA function: The AUX2-Output could be used for HiSA functionality. The AUX2-line
is set with the HiSA switch.
4010659a
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