NHTSA ID Number: 10220363
Manufacturer Communication Number: SM2202
TSB/Document Date: 2022-09-22
Summary
SM2022 EV Maintenance and Service Documentation This Service Memorandum is to announce information on Cummins
Power Electric buses now available at Quickserve Online. Dealer must have access to Quickserve to obtain these service maintenance and repair procedures.
11093
9
HVESP1 Module 1 Operational Status ‐ Abnormal Update Rate
11473
Warning (Solid)
11094
9
HVESP1 Module 2 Operational Status ‐ Abnormal Update Rate
11474
Warning (Solid)
11095
9
HVESP1 Module 3 Operational Status ‐ Abnormal Update Rate
11475
Warning (Solid)
11096
9
HVESP1 Module 4 Operational Status ‐ Abnormal Update Rate
11476
Warning (Solid)
11097
9
HVESP1 Module 5 Operational Status ‐ Abnormal Update Rate
11477
Warning (Solid)
11098
9
HVESP1 Module 6 Operational Status ‐ Abnormal Update Rate
11478
Warning (Solid)
11099
9
HVESP1 Module 7 Operational Status ‐ Abnormal Update Rate
11561
Warning (Solid)
11209
9
HVESP2 Module 1 Operational Status ‐ Abnormal Update Rate
11562
Warning (Solid)
11210
9
HVESP2 Module 2 Operational Status ‐ Abnormal Update Rate
11563
Warning (Solid)
11211
9
HVESP2 Module 3 Operational Status ‐ Abnormal Update Rate
SPN / FMI Cummins Description
Charger Controller Unit 1 AC Temperature Sensor Circuit ‐ Voltage
Above Normal or Shorted to High Source
Charger Controller Unit 1 AC Temperature Sensor Circuit ‐ Current
Below Normal or Open Circuit
HVESS Thermal Management System Heater Status ‐ Mechanical
System Not Responding or Out of Adjustment
Charger Controller Unit 1 Plug Lock Output 2 Sensor Circuit ‐ Voltage
Below Normal or Shorted to Low Source
SPN / FMI Cummins Description
(for Blue Bird Diagnostic display)
CCU 1 AC Temp Sensor ‐ Voltage High
CCU 1 AC Temp Sensor ‐ Current Low
Trans Requested Gear ‐ Update Rate
HV Meas Port Interlock ‐ Current Low
Plug‐In Port 1 Neg Charge Contactor
Plug‐In Port 1 Neg Charge Contactor
Plug‐In Port 1 Pos Charge Contactor
Plug‐In Port 1 Pos Charge Contactor
Batt TMS Heater Status ‐ Not Responding
CCU 1 Plug Lock Output 2 ‐ Voltage Low
Charger Controller Unit 1 Plug Lock Output 2 Sensor Circuit ‐ Voltage
CCU 1 Plug Lock Output 2 ‐ Voltage High
Above Normal or Shorted to High Source
Charger Controller Unit 1 Plug Lock Output 2 Sensor Circuit ‐ Current
CCU 1 Plug Lock Output 2 ‐ Current Low
Below Normal or Open Circuit
Charger Controller Unit 1 Plug Lock Output 2 Sensor Circuit ‐ Condition
CCU 1 Plug Lock Output 2 ‐ Cond Exists
Exists
Propulsion Inverter Cntrl ‐ Unknown
Halt Brake mode ‐ Update Rate
HVESP1 Module 1 Status ‐ Update Rate
HVESP1 Module 2 Status ‐ Update Rate
HVESP1 Module 3 Status ‐ Update Rate
HVESP1 Module 4 Status ‐ Update Rate
HVESP1 Module 5 Status ‐ Update Rate
HVESP1 Module 6 Status ‐ Update Rate
HVESP1 Module 7 Status ‐ Update Rate
HVESP2 Module 1 Status ‐ Update Rate
HVESP2 Module 2 Status ‐ Update Rate
HVESP2 Module 3 Status ‐ Update Rate
Cummins
Fault Code
#
Lamp (Service
Indicator)
J1939
SPN
J1939
FMI
11564
Warning (Solid)
11212
9
HVESP2 Module 4 Operational Status ‐ Abnormal Update Rate
11565
Warning (Solid)
11213
9
HVESP2 Module 5 Operational Status ‐ Abnormal Update Rate
11566
Warning (Solid)
11214
9
HVESP2 Module 6 Operational Status ‐ Abnormal Update Rate
11567
Warning (Solid)
11215
9
HVESP2 Module 7 Operational Status ‐ Abnormal Update Rate
11649
Warning (Solid)
11325
9
HVESP3 Module 1 Operational Status ‐ Abnormal Update Rate
11651
Warning (Solid)
11326
9
HVESP3 Module 2 Operational Status ‐ Abnormal Update Rate
11652
Warning (Solid)
11327
9
HVESP3 Module 3 Operational Status ‐ Abnormal Update Rate
11653
Warning (Solid)
11328
9
HVESP3 Module 4 Operational Status ‐ Abnormal Update Rate
11654
Warning (Solid)
11329
9
HVESP3 Module 5 Operational Status ‐ Abnormal Update Rate
11655
Warning (Solid)
11330
9
HVESP3 Module 6 Operational Status ‐ Abnormal Update Rate
11656
11938
11939
11941
11942
11943
Warning (Solid)
Warning (Solid)
Warning (Solid)
Warning (Solid)
Warning (Solid)
Warning (Solid)
11331
521331
521332
521333
521334
521335
9
9
9
9
9
9
HVESP3 Module 7 Operational Status ‐ Abnormal Update Rate
Water Pump 1 ‐ Abnormal Update Rate
Water Pump 2 ‐ Abnormal Update Rate
Water Pump 3 ‐ Abnormal Update Rate
Water Pump 4 ‐ Abnormal Update Rate
Water Pump 5 ‐ Abnormal Update Rate
11944
Warning (Solid)
521336
9
High Voltage AC Battery Charger 1 ‐ Abnormal Update Rate
11945
Warning (Solid)
521337
9
High Voltage AC Battery Charger 2 ‐ Abnormal Update Rate
11946
Warning (Solid)
521338
9
11947
Stop (Solid)
521339
9
11948
Stop (Solid)
521340
9
11949
Warning (Solid)
521341
9
Air Compressor High Voltage DC/AC Inverter ‐ Abnormal Update Rate
Air‐Conditioner Compressor High Voltage DC/AC Inverter ‐ Abnormal
Update Rate
12141
Stop (Solid)
11089
12
HVESP1 Operational Status ‐ Bad Intelligent Device or Component
12142
Stop (Solid)
11205
12
HVESP2 Operational Status ‐ Bad Intelligent Device or Component
12143
Stop (Solid)
11321
12
12144
Stop (Solid)
521382
1
12145
Warning (Solid)
521382
18
12146
Stop (Solid)
521383
1
12147
Warning (Solid)
521383
18
12148
Stop (Solid)
521384
1
12149
Warning (Solid)
521384
18
HVESP3 Operational Status ‐ Bad Intelligent Device or Component
Battery Distribution Unit 1 ‐ Data Valid But Below Normal Operating
Range ‐ Most Severe Level
Battery Distribution Unit 1 ‐ Data Valid But Below Normal Operating
Range ‐ Moderately Severe Level
Battery Distribution Unit 2 ‐ Data Valid But Below Normal Operating
Range ‐ Most Severe Level
Battery Distribution Unit 2 ‐ Data Valid But Below Normal Operating
Range ‐ Moderately Severe Level
Battery Distribution Unit 3 ‐ Data Valid But Below Normal Operating
Range ‐ Most Severe Level
Battery Distribution Unit 3 ‐ Data Valid But Below Normal Operating
Range ‐ Moderately Severe Level
SPN / FMI Cummins Description
SPN / FMI Cummins Description
(for Blue Bird Diagnostic display)
HVESP2 Module 4 Status ‐ Update Rate
HVESP2 Module 5 Status ‐ Update Rate
HVESP2 Module 6 Status ‐ Update Rate
HVESP2 Module 7 Status ‐ Update Rate
HVESP3 Module 1 Status ‐ Update Rate
HVESP3 Module 2 Status ‐ Update Rate
HVESP3 Module 3 Status ‐ Update Rate
HVESP3 Module 4 Status ‐ Update Rate
HVESP3 Module 5 Status ‐ Update Rate
HVESP3 Module 6 Status ‐ Update Rate
HVESP3 Module 7 Status ‐ Update Rate
Water Pump 1 ‐ Update Rate
Water Pump 2 ‐ Update Rate
Water Pump 3 ‐ Update Rate
Water Pump 4 ‐ Update Rate
Water Pump 5 ‐ Update Rate
HV AC Batt Charger 1 ‐ Update Rate
HV AC Batt Charger 2 ‐ Update Rate
HV AC Batt Charger 3 ‐ Update Rate
High Voltage AC Battery Charger 3 ‐ Abnormal Update Rate
Power Steering Pump High Voltage DC/AC Inverter ‐ Abnormal Update
P/S Pump Inverter ‐ Update Rate
Rate
Air Compressor Inverter ‐ Update Rate
TMS A/C Comp Inverter ‐ Update Rate
HVESP1 Operational Status ‐ Bad Device
HVESP2 Operational Status ‐ Bad Device
HVESP3 Operational Status ‐ Bad Device
HV BDU 1 ‐ Below Normal ‐ Most Severe
HV BDU 1 ‐ Below Normal ‐ Mod Severe
HV BDU 2 ‐ Below Normal ‐ Most Severe
HV BDU 2 ‐ Below Normal ‐ Mod Severe
HV BDU 3 ‐ Below Normal ‐ Most Severe
HV BDU 3 ‐ Below Normal ‐ Mod Severe
Cummins
Fault Code
#
Lamp (Service
Indicator)
J1939
SPN
J1939
FMI
12151
Stop (Solid)
521385
31
HVIL Segment 1 Status ‐ Condition Exists
12152
Stop (Solid)
521386
31
HVIL Segment 2 Status ‐ Condition Exists
12153
Stop (Solid)
521387
31
HVIL Segment 3 Status ‐ Condition Exists
12154
Stop (Solid)
521388
31
HVIL Segment 4 Status ‐ Condition Exists
12155
Stop (Solid)
521389
31
High voltage Bus Control Circuit ‐ Condition Exists
12156
Warning (Solid)
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TSB/Document ID: SM2202
Replacement Service Bulletin Number:
MFR Communication Date: 2022-09-02
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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