NHTSA ID Number: 11012608
Manufacturer Communication Number: SD-24-250V
TSB/Document Date: 2025-01-07
Summary
Bendix
Global Scalable Air Treatment (GSAT) system service data. This document is used for diagnostics and troubleshooting guide. System includes electronic air governor, air dryer, and electronic parking brake.
20
Parking Brake Relay Valve - Actuator Slipping
L
C102A1C
10832
28
Parking Brake Chamber Pressure Sensor Circuit Voltage Out of Range
A
C102A62
207440
2
Parking Brake Chamber Pressure Sensor Signal Compare Failure
A
C102B01
11088
1
Heating Resistor - General Electrical Failure
M
C102B55
142160
21
Heating Resistor - Not Configured
N
C102C01
11344
1
Trailer Load Solenoid Valve - General Electrical Failure
A
C102C12
11344
18
Trailer Load Solenoid Valve - Circuit Short to Battery
A
C102C13
11344
19
Trailer Load Solenoid Valve - Circuit Open
A
C102C94
273488
20
Trailer Load Solenoid Valve - Unexpected Operation
A
Table 9 – Diagnostic Trouble Codes (DTCs)
19
Troubleshooting
DESCRIPTION
SPN
FMI
C102D01
11600
1
Trailer Exhaust Solenoid Valve - General Electrical Failure
A
C102D12
11600
18
Trailer Exhaust Solenoid Valve - Circuit Short to Battery
A
C102D13
11600
19
Trailer Exhaust Solenoid Valve - Circuit Open
A
C102D94
273744
20
Trailer Exhaust Solenoid Valve - Unexpected Operation
B
C103004
12368
4
Trailer Hand Control Unit (HCU) - System Internal Failures
K
C103008
12368
8
Trailer Hand Control Unit (HCU) Bus Signal/Message Failures
K
C103014
12368
20
Trailer Hand Control Unit (HCU) Circuit Short to Ground or Open
K
C10301C
12368
28
Trailer Hand Control Unit (HCU) - Circuit Voltage Out of Range
K
C103028
77904
8
Trailer Hand Control Unit (HCU) Signal Bias Level Out of Range/Zero Adjustment Failure
K
C103044
143440
4
Trailer Hand Control Unit (HCU) - Data Memory Failure
K
C103045
143440
5
Trailer Hand Control Unit (HCU) - Program Memory Failure
K
C103047
143440
7
Trailer Hand Control Unit (HCU) - Watchdog/Safety µC Failure
K
C103049
143440
9
Trailer Hand Control Unit (HCU) - Internal Electronic Failure
K
C103054
143440
20
Trailer Hand Control Unit (HCU) - Missing Calibration
K
C103055
143440
21
Trailer Hand Control Unit (HCU) - Not Configured
K
C103062
208976
2
Trailer Hand Control Unit (HCU) - Signal Compare Failure
K
C103086
274512
6
Trailer Hand Control Unit (HCU) - Signal Invalid
K
C103087
274512
7
Trailer Hand Control Unit (HCU) - Missing Message
H
C103094
274512
20
Trailer Hand Control Unit (HCU) - Unexpected Operation
K
C103097
274512
23
Trailer Hand Control Unit (HCU) Component or System Operation Obstructed or Blocked
H
C10311C
12624
28
Trailer Circuit Pressure Sensor - Circuit Voltage Out of Range
A
C103212
12880
18
Air Dryer Heater Circuit - Circuit Short to Battery
M
C103213
12880
19
Air Dryer Heater Circuit - Circuit Open
M
C103374
209744
20
Trailer Parking Brake Relay Valve - Actuator Slipping
L
U002886
272576
6
CAN Communication Chassis Net - Signal Invalid
P
U002888
272576
8
CAN Communication Chassis Net - Bus Off
Q
U012187
270785
7
Lost Communication with Antilock Braking System (ABS)
Control Module - Missing Message
Q
U014086
278721
6
Lost Communication with VMCU - Signal Invalid
P
U014087
278721
7
Lost Communication with VMCU - Missing Message
Q
U100086
262352
6
Door Switch Electronic Data Link - Signal Invalid
P
U100186
262608
6
Hill Mode Electronic Data Link - Signal Invalid
P
U100286
262864
6
Engine Speed Electronic Data Link - Signal Invalid
P
U100386
263120
6
Engine Active Status Electronic Data Link - Signal Invalid
P
U100486
263376
6
External Brake Request Message - Signal Invalid
P
Table 9 – Diagnostic Trouble Codes (DTCs)
20
GO TO THE SERVICE
ACTION CODE
LIST IN TABLE 10
DTC
Troubleshooting
DESCRIPTION
GO TO THE SERVICE
ACTION CODE
LIST IN TABLE 10
DTC
SPN
FMI
U100586
263632
6
Vehicle Speed Electronic Data Link - Signal Invalid
P
U100686
263888
6
Trailer Control Pressure Electronic Data Link - Signal Invalid
P
U100786
264144
6
Electronic Anti-Compound Electronic Data Link - Signal Invalid
P
U100886
264400
6
Driver Location Electronic Data Link - Signal Invalid
P
U100986
264656
6
Transmission Engaged for Propulsion Electronic Data Link Signal Invalid
P
U100A86
264912
6
Hand Control Unit (HCU) Area Electronic Data Link Signal Invalid
K
U100A87
- 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-24-250V
Replacement Service Bulletin Number:
MFR Communication Date: 2025-01-07
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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