NHTSA ID Number: 11016934
Manufacturer Communication Number: SD-27-5023V
TSB/Document Date: 2025-04-10
Summary
Bendix
GSBC (Global Scalable Brake Control) System and EBS-90 Electronic Control Unit (ECU) service data sheets.
73
Pre-Stabilizer Circuit: Internal
Electronic Failure
Internal pre-stabilizer voltage is higher than
13V and 10V supply voltage is either below
8.5V or above 10.5V.
KK
0x50E498
20708
152
Brake Pad: Component or
System Over Temperature
Brakes have been overused. Possible causes
are: excessively long or frequent brake
activation with no time for cooling.
LL
0x50E592
20709
146
Brake System: Performance or
Incorrect Operation
Imbalanced brake performed (left to right) has
been detected.
MM
NN
0x600063
24576
99
Anti-Lock Brake System: Circuit/
Component Protection Time-Out
The fault is set if the ABS activity is
unacceptably long. Detection time depends
on driving situations. (Fault setting is based
on internal values, which are not measurable
from outside).
0xC01086
49168
134
CAN Communication Backbone
1 Net : Signal Invalid
Data from vehicle CAN is checked. This fault
is set to indicate missing CAN signals for ESP
or MASS (e.g. driveline signals).
PP
0xC01088
49168
136
CAN Communication Backbone
1 Net : Bus Off
Data from vehicle CAN is checked. This fault
is set to indicate missing CAN signals for ESP
or MASS (e.g. driveline signals).
PP
0xC02888
49192
136
CAN Communication Chassis
Net: Bus Off
Missing messages from other components.
0xC10087
49408
135
Lost Communication with EMS:
Missing Message
Missing messages from other components.
0xC10187
49409
135
Lost Communication with TECU:
Missing Message
Missing messages from other components.
0xC12687
49446
135
Lost Communication With
Steering Angle Sensor Module:
Missing Message
Missing message from SAS.
RR
0xC12787
49447
135
Lost Communication With
External Yaw Rate Sensor
Module: Missing Message
Missing Message from YAS.
SS
0xC14087
49472
135
Lost Communication With
VMCU: Missing Message
Missing messages from other components.
0xD00563
53253
99
Lost Communication with Trailer
Brake Lever: Circuit/Component
Protection Time-Out
Missing messages from other components.
0xD00592
53253
146
Lost Communication with Trailer
Brake Lever: Performance or
Incorrect Operation
Missing messages from other components.
0xD00687
53254
135
Power Line Carrier Relay:
Missing Message
Missing messages from other components.
0xD00696
53254
150
Power Line Carrier Relay:
Component Internal Failure
PLC Relay internal fault
TT
0xD14087
53568
135
Lost Communication With APM:
Missing Message
Missing messages from other components.
0xD14586
53573
134
Vehicle Weight Signal: Signal
Invalid
Invalid signal from axle load sensor.
UU
Table 18 - GSBC System/ECU Diagnostic Trouble Codes (DTCs)
SD-27-5023V Rev 000 Bendix® GSBC® System and EBS-90™ (Global Scalable Brake Control System and Electronic Control Unit)
37
Troubleshooting
GSBC SYSTEM & ECU DTCS
DTC#
SPN
FMI
DTC NAME
DTC DESCRIPTION
ACTION
0xD14781
53575
129
Vehicle Speed Electronic
Data Link: Invalid Serial Data
Received
Implausible vehicle speed calculated.
VV
0xD15287
53586
135
Lost Communication With RECU:
Missing Message
Missing messages from other components.
0xD15487
53588
135
Lost Communication With BBM:
Missing Message
Missing messages from other components.
0xD15587
53589
135
Lost Communication With CIOM:
Missing Message
Missing messages from other components.
0xD15687
53590
135
Lost Communication With
RCIOM: Missing Message
Missing messages from other components.
0xD15787
53591
135
Lost Communication With
CCIOM: Missing Message
Missing messages from other components.
0xD15887
53592
135
Lost Communication With DACU:
Missing Message
Missing messages from other components.
7
Vehicle Braking State:
Mechanical Failures
Fault is set if the vehicle deceleration does
not match to the demaned deceleration within
atolerance in normal vehicle condition. The
tolerance and the acceptable deceleration
depend on EBS status.
XX
Fault is set if the vehicle deceleration does
not match to the demaned deceleration within
the tolerance in normal vehicle condition. The
tolerance and the acceptable deceleration
depend on EBS status.
XX
0xD16107
53601
0xD16192
53601
146
Vehicle Braking State:
Performance or Incorrect
Operation
0xD16368
53603
104
External Brake Request
Message: Event Information
Missing messages from other components.
0xD16968
53609
104
DTC Notification Max Limit
Reached: Event Information
Large number of active faults. Check and
correct faults to clear this message.
YY
0xF00008
61440
8
Electronic Control Unit: Bus
Signal/Message Failures
Internal software fault detected.
ZZ
0xF00029
61440
41
Electronic Control Unit: Signal
invalid
Internal software fault detected.
AA
0xF00043
61440
67
Electronic Control Unit: Special
Memory Failure
Internal software fault detected.
AA
0xF00044
61440
68
Electronic Control Unit: Data
Memory Failure
Internal software fault detected.
AA
0xF00046
61440
70
Electronic Control Unit:
Calibration/Parameter Memory
Failure
Internal software fault detected.
AA
0xF00047
61440
71
Electronic Control Unit:
Watchdog/Safety µC Failure
Internal GSBC ECU electronic fault.
R
0xF00048
61440
72
Electronic Control Unit:
Supervision Software Failure
Internal software fault detected.
AAA
0xF00049
61440
73
Electronic Control Unit: Internal
Electronic Failure
Voltage is detected on the ground (GND) pins
of the GSBC ECU.
BBB
Table 18 - GSBC System/ECU Diagnostic Trouble Codes (DTCs)
38
SD-27-5023V Rev 000 Bendix® GSBC® System and EBS-90™ (Global Scalable Brake Control System and Electronic Control Unit)
Troubleshooting
GSBC SYSTEM & ECU DTCS
DTC#
SPN
FMI
DTC NAME
DTC DESCRIPTION
ACTION
0xF0004B
61440
75
Electronic Control Unit: Over
Temperature
GSBC ECU is over maximum temperature.
CCC
0xF00056
61440
86
Electronic Control Unit: Invalid/
Incompatible Configuration
Internal software fault detected.
AA
0xF00057
61440
87
Electronic Control Unit:
Invalid/Incompatible Software
Component
- Mixes well with conventional fluids
- Low-moisture formula provides excellent vapor lock...
- Ideal for hydraulic and disc brakes
- Ideal for hydraulic and disc brakes
- Mixes well with conventional fluids
- Low-moisture formula provides excellent vapor lock...
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TSB/Document ID: SD-27-5023V
Replacement Service Bulletin Number:
MFR Communication Date: 2025-04-10
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SERVICE BRAKES
MFR Component System:
MFR Component Subsystem:
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