Troubleshootin
g
Error Location Type Description
Cause Solution
Disconnected
or loose motor
temperature
cable.
Verify wiring
between the motor
temperature s
ensor and the module.
T6NM
MCM
Sensor Error
Motor
Failed motor
temperature
sensor.
Measure resi
stance between pins
1and3onmoto
rtemperature
cable connec
tor. Readings vary
depending on
temperature, but at
room temper
ature (72° F / 22° C), the
resistance
should be approximately
1500 to 2500
ohms. An open circuit
reading ind
icates a possible wire
break. Rep
lace motor.
Bad RTD or bad
RTD placement
against heater.
Swap A and B heater output cables
and RTD cables and see if issue
follows. If so, replace RTD.
Loose heater
wires or
connector.
Check for loose heater element wires
or loose green connector at TCM.
Bad heater
element.
Confirm resistance of heater. Heater
resistance should be 18-21 Ω
for each heater element, 9-12 Ω
combined for 10 kW systems, 6-8
Ω for 15 kW systems, and 4-6 Ω for
20 kW systems. If out of tolerance,
replace heater element.
T8DA Heater A No
Temperature
Rise A
Started spraying
before heater
reached
operating
temperature.
Wait until operating temperature has
been reached before spraying or
recirculating.
38 333024N
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