NHTSA ID Number: 10182869
Manufacturer Communication Number: SB-11-004
TSB/Document Date: 2020-11-23
Summary
Service Information Bulletin HDOBD Specification Table
Group:
Warranty Code:
Bulletin No.
Issue Date:
00 - General
SB 11 - 004
11 - 05 -2011
HDOBD Specification Table
DEF tank heater valve
/NOx converting
catalyst system/DeNOx ECU
P20B1
Circuit monitor (open load)
Circuit voltage
> 2.7V
< 5.0V
DEF tank heater valve
Activated
0.5sec
1DCY
P20B3
Circuit monitor (low)
Circuit voltage
< 0.66V
DEF tank heater valve
Activated
0.05sec
1DCY
P20B4
Circuit monitor (high)
Circuit voltage
= 2.7V
DEF tank heater valve
Activated
0.1sec
1DCY
P20B2
Functional monitor
(stuck close)
Actual DEF tank temperature
p
< 1degC
g ((33.8F)) DEF tank heater valve
Opened
p
Immediatelyy
1DCY
‐ Recorded DEF tank temperature
> 40degC (104F)
No malfunction : see 'Monitor disable DTC table'
Engine coolant temperature (from ECM)
(at the start of this monitor)
Time elapsed since above
3 conditions are fulfilled
Suction line
/NOx converting
catalyst system/DeNOx ECU
P20E8
Back flow line
/NOx converting
catalyst system/DeNOx ECU
P20E9
CAN communication
/NOx converting
catalyst system/DeNOx ECU
>= 1000~1200sec
Functional monitor
(stuck
open)
(
p )
DEF tank temperature
> 75degC (167F) No malfunction : see 'Monitor disable DTC table' 10sec
Monitor DEF pressure
(pressure build up check
at system start up)
DEF pressure
< 800kPa (116.026psi)
DEF defrosting
EGT(SCR inlet)
Time elapsed since
pressure build up start
Completed
1DCY
3trials
1DCY
2sec
1DCY
300sec
1DCY
> 150degC (302F)
>= 50sec
Monitor DEF pressure
⊿DEF p
pressure
p
(back flow line check
with reduced DEF pump duty
at system start up)
>= 0kPa ((0psi)
p ) Pressure build upp check (2‐6‐6‐30)
p
(
) Completed
Monitor DEF pressure
(pressure stability check
at system start up)
DEF pressure
< 850kPa (123.278psi)
U0100
Monitor CAN message
CAN message from ECM
Not received
3sec
1DCY
U029D
Monitor CAN message
CAN message from
NOx sensor (SCR upstream)
Not received
3sec
1DCY
U029E
Monitor CAN message
CAN message from
Not received
NOx sensor (SCR downstream)
3sec
1DCY
Back flow line check (2‐6‐6‐31) Completed
or
> 950kPa (137.781psi)
Page 24 of 44
SERVICE INFORMATION BULLETIN
Group:
Warranty Code:
Bulletin No.
Issue Date:
00 - General
SB 11 - 004
11 - 05 -2011
HDOBD Specification Table
2 7. PM filter and CCM
2‐7.
Diesel Particulate Filter
P244A
/PM filter system/Engine ECU
(Filtering Performance)
(Missing substrate)
Monitor differential pressure Average differential pressure <
a little before the start of
0kPa (0psi)
(Exh.gas vol.flow
DPF active regeneration
= 200L/sec)
~
2kPa (0.29psi)
Conditions below continue
15sec
6times
1DCY
Calculated soot loading on DPF >=
89% Regen.threshold
Burner
Exhaust gas volumetric flow
Number of judgment
Deactivated
>= 205 L/sec
< 10
(Exh.gas vol.flow No malfunction : see 'Monitor disable DTC table'
>= 600L/sec)
P2459
Frequent Regeneration
/PM filter system/Engine ECU
Monitor possible maximum
Calculated soot loading on DPF < Regen.threshold Calculated soot loading on DPF >= Regen.threshold Immediately
No malfunction : see 'Monitor disable DTC table'
soot accumulation from engine for frequency monitor
at DPF active regeneration start
2 drive cycles
Diesel Particulate Filter
P244B
/PM filter system/Engine ECU
(Incomplete regeneration)
Monitor differential p
pressure Average
g differential pressure
p
>=
Conditions below continue
10kPa (1.45psi) Calculated soot loading on DPF
just after DPF active
(Exh.gas vol.flow
regeneration completed
= 200L/sec)
Cumulative exhaust gas mass flow
~
38kPa (5.511psi) from Burner deactivated
(Exh.gas vol.flow Exhaust gas volumetric flow
Number of judgment
= 1000L/sec)
1DCY
15sec
> 0%
<
6times
21% Regen.threshold
>= 50kg
>= 205 L/sec
< 10
No malfunction : see 'Monitor disable DTC table'
Feedback Control
P2030
/PM filter system/Burner ECU
Comparison of Target temperature Target temperature
(Unable to achieve target temperature)
and Exhaust gas temperature ‐ Exhaust gas temperature
(Burner outlet)
(Burner outlet)
Exhaust gas temperature sensor P242C
Range check (low)
> 30degC (86F) Burner status
Operating
30sec × 3times 1DCY
No malfunction : see 'Monitor disable DTC table'
EGT(DOC inlet) sensor voltage < 0.0057V
(DOC
inlet))
(
/PM filter system/Engine ECU
Battery voltage
3sec
1DCY
Conditions below continue
Engine stall
or Engine speed
>= 10V
= 500rpm
IAT(AFS built‐in)
>= ‐20degC (‐4F) 3sec
1DCY
((1240degC)
g ) (2264F)
(
)
P242D
Range check (high)
EGT(DOC inlet) sensor voltage > 4.958V
(‐46degC) (‐50.8F) Battery voltage
>= 10V
= 500rpm
No malfunction : see 'Monitor disable DTC table'
Page 25 of 44
SERVICE INFORMATION BULLETIN
Group:
Warranty Code:
Bulletin No.
Issue Date:
00 - General
SB 11 - 004
11 - 05 -2011
HDOBD Specification Table
P242B
Exhaust gas temperature sensor P2470
Rationality check
(at engine start)
| EGT(Burner outlet : from BCU) >>= 70degC (158F) Battery voltage
Range check (low)
EGT(DOC outlet) sensor voltage < 0.0057V
(DOC outlet)
/PM filter system/Engine ECU
‐ EGT(DOC inlet) |
(1240degC) (2264F)
P2471
Range check (high)
EGT(DOC outlet) sensor voltage > 4.958V
>>= 10V
1sec
= 500rpm
Time elapsed since engine start = ‐10degC (14F)
IAT(AFS built‐in)
EGT(Burner outlet)
< 30degC (86F)
No malfunction : see 'Monitor disable DTC table'
>= 10V
3sec
Battery voltage
= 500rpm
1DCY
IAT(AFS built‐in)
1DCY
>= ‐20degC (‐4F) 3sec
1DCY
(‐46degC) (‐50.8F) Battery voltage
>= 10V
= 500rpm
No malfunction : see 'Monitor disable DTC table'
P246F
Rationality check
(at engine start)
| EGT(Burner outlet : from BCU) >= 70degC (158F) Battery voltage
‐ EGT(DOC outlet) |
Page 26 of 44
>= 10V
1sec
= 500rpm
Time elapsed since engine start = ‐10degC (14F)
IAT(AFS built‐in)
EGT(Burner outlet)
< 30degC (86F)
No malfunction : see 'Monitor disable DTC table'
1DCY
SERVICE INFORMATION BULLETIN
Group:
Warranty Code:
Bulletin No.
Issue Date:
00 - General
SB 11 - 004
11 - 05 -2011
HDOBD Specification Table
Rationality check
(at engine running)
| Calculated EGT(DOC outlet) >>= 100degC (212F) Time elapsed since engine start > 10sec
Cumulative exhaust gas mass flow >= 3kg
‐ Actual EGT(DOC outlet) |
(>= 230kg/h)
Cumulative exhaust gas mass flow >= 50kg
(Burner deactivated)
3sec
1DCY
>= 10V
= 500rpm
3sec
1DCY
>= 10V
= 500rpm
3sec
1DCY
2sec
1DCY
5
5sec
1DCY
Immediately
1DCY
and after that,
Battery voltage
>= 10V
= 500rpm
| ECT‐ IAT(AFS built‐in) |
> 8degC (46.4F)
Exhaust gas mass flow
>= 230kg/h
Conditions below continues 10sec
| ⊿Engine
⊿E i speed
d|
< 30rpm
= 0mm3/st
No malfunction : see 'Monitor disable DTC table'
Differential pressure sensor
P1427
/PM filter system/Engine ECU
Range check (low)
Differential pressure sensor voltage < 0.5V
Battery voltage
((‐6.41kPa)) ((‐0.93psi)
p )
Conditions below continue
Engine stall
or Engine speed
P1428
Range check (high)
Differential pressure sensor voltage > 4.46V
Battery voltage
(95.1kPa) (13.793psi)
Conditions below continue
Engine
E i stallll
or Engine speed
P1426
Rationality check :
Differential pressure
Monitor differential pressure
in engine stall condition
< ‐2kPa (‐0.29psi) Time elapsed since engine stop >= 2sec
Di l Particulate
Diesel
P ti l t Filter
Filt
P200C
/PM filter system/Engine ECU
(over temperature)
Hi
High
h EGT(DOC inlet)
i l t)
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TSB/Document ID: SB-11-004
Replacement Service Bulletin Number:
MFR Communication Date: 2011-11-05
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
MFR Component System:
MFR Component Subsystem:
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