Fault Code Isolation Procedure Index
See also: Eaton Autoshift Fault Code 88
|
Fault Code |
SPN |
FMI |
Description |
|
1 |
520225 |
0, 6, 15 |
Motor/Generator Current Sensor |
|
2 |
520226 |
3 |
Motor/Generator Temperature Sensor |
|
3 |
520227 |
0 |
Motor/Generator Temperature |
|
4 |
520228 |
0, 2, 21–27 |
Motor/Generator Rotation Speed Sensor |
|
5 |
520229 |
21–29 |
Motor/Generator AC Cable |
|
6 |
629 |
13 |
No ECU Operation (HCM) |
|
7 |
629 |
13 |
Improper ECU Configuration (HCM) |
|
8 |
158 |
4 |
Loss of Switched Ignition Power Fault (HCM) |
|
9 |
168 |
14 |
Weak Battery Voltage (HCM) |
|
10 |
168 |
4 |
Low Battery Voltage (HCM) |
|
11 |
629 |
12 |
No ECU Operation (TECU) |
|
12 |
629 |
13 |
Improper ECU Configuration (TECU) |
|
14 |
751 |
2, 3, 4 |
Invalid Shifter Range |
|
16 |
625 |
2 |
High Integrity Link (HIL) |
|
17 |
626 |
3, 4 |
Start Enable Relay |
|
18 |
520200 |
2, 9 |
ECA Communication |
|
19 |
520273 |
2, 9 |
CAN ECA Message |
|
22 |
563 |
2, 9, 14 |
J1939 ABS Message (HCM) |
|
24 |
525 |
9 |
J1939 HCM Message (TECU) |
|
26 |
522 |
10 |
Clutch Slip |
|
27 |
788 |
7, 14 |
Clutch Disengagement |
|
32 |
43 |
2 |
Loss of Switched Ignition Power (TECU) |
|
33 |
168 |
4 |
Low Battery Voltage (TECU) |
|
34 |
168 |
14 |
Weak Battery Voltage (TECU) |
|
35 |
639 |
2 |
J1939 Communication Link |
|
36 |
639 |
14 |
J1939 Engine Message (TECU) |
|
37 |
610 |
5 |
Power Supply (TECU) |
|
38 |
520243 |
3, 4, 5, 14 |
Battery Fan Relay |
|
39 |
520247 |
3, 4, 5 |
Heat Exchanger Relay |
|
40 |
520248 |
3, 4, 5, 14 |
Cooling Pump Relay |
|
48 |
523 |
2, 9 |
J1939 Transmission Message (HCM) |
|
49 |
190 |
2, 9 |
J1939 Engine Message (HCM) |
|
50 |
701 |
2, 9 |
J1939 Body Controller Message (HCM) |
|
51 |
60 |
2, 3, 4, 10 |
Rail Position Sensor |
|
52 |
59 |
2, 3, 4 |
Gear Position Sensor |
|
53 |
520244 |
12, 14 |
DC/DC Converter |
|
54 |
520245 |
2, 4 |
DC/DC Converter Output Voltage |
|
SPN |
FMI |
Description |
|
|
56 |
161 |
2, 3, 4, 5, 10 |
Input Shaft Speed Sensor |
|
58 |
191 |
2, 3, 4, 5 |
Output Shaft Speed Sensor |
|
59 |
639 |
2, 9 |
J1939 Communication Link (HCM) |
|
60 |
625 |
2, 9 |
CAN Communication Link (HCM) |
|
61 |
772 |
5, 6 |
Rail Select Motor |
|
63 |
773 |
5, 6 |
Gear Select Motor |
|
788, 520198, 520199, 524035 |
0, 12, 13, 21–28 |
ECA |
|
|
65 |
520203 |
2, 5 |
ECA Speed Sensor |
|
66 |
520271 |
3, 4, 14 |
ECA Battery Voltage |
|
67 |
520274 |
3, 4, 5 |
ECA Ignition Voltage |
|
68 |
520231 |
12, 13, 14 |
Grade Sensor |
|
70 |
188, 518, 539, 544 |
0, 1, 2, 7 |
Engine Failed to Respond (HCM) |
|
71 |
520275 |
7 |
Failed to Disengage Gear |
|
72 |
520277 |
7 |
Failed to Select Rail |
|
73 |
520278 |
7 |
Failed to Engage Gear |
|
74 |
93, 190 |
7 |
Engine Failed to Respond (TECU) |
|
75* |
520276 |
14 |
Power Down In Gear |
|
76 |
520250 |
3, 4, 16, 18 |
High-Voltage Battery 1 Potential Voltage |
|
78 |
520232 |
6 |
High-Voltage Battery 1 Current |
|
82 |
520233 |
0, 16 |
High-Voltage Battery 1 Temperature |
|
83 |
751 |
12, 13 |
Invalid Shifter Range |
|
84 |
751 |
13 |
Shift Control Device Not Configured |
|
85 |
639 |
12 |
Shift Control Device Incompatible |
|
520223 |
2, 9 |
Inverter CAN Message (HCM) |
|
|
89 |
520234 |
2, 9 |
PECCAN Message (HCM) |
|
94 |
520237 |
9 |
Transfer Case Message |
|
95 |
520249 |
3, 4 |
12-volt Cranking Relay |
|
97 |
3460 |
3, 4, 5, 7, 14 |
PTOEngagement |
|
101 |
520238 |
0, 22–31 |
High-Voltage Battery |
|
103 |
520265 |
22–26 |
Battery Control Unit Communication |
|
105 |
520240 |
22–30 |
Battery Control Unit |
|
107 |
520242 |
1 |
High-Voltage Battery Leak Detection |
|
108 |
520268 |
3, 4 |
Battery Control Unit Power Supply |
|
110 |
520220 |
21–29 |
Inverter |
|
111 |
520260 |
12–28 |
Inverter Communication |
|
112 |
520221 |
3, 4 |
Inverter Voltage |
|
Fault Code |
SPN |
FMI |
Description |
|
113 |
520222 |
6, 14 |
Inverter Current |
|
114 |
520261 |
3, 4 |
Inverter Power Supply |
|
115 |
520223 |
0 |
Inverter Temperature |
|
116 |
521210, 521211, 521212 |
3, 4, 5 |
High-Voltage Relays |
|
116 |
520224 |
10, 14, 20 |
High-Voltage Relays |
|
117 |
520251 |
3, 14, 29 |
PEC Relay Cut Request |
|
118 |
520252 |
3, 4, 5 |
Auxiliary High-Voltage Relay Control Circuit |
|
120 |
520275 |
3, 4 |
APGUnit 1 - AC Voltage |
|
122 |
520277 |
6, 14, 15 |
APGUnit 1 - Output |
|
123 |
520278 |
3, 4 |
APG Unit 1 - High Voltage Battery |
|
125 |
520280 |
0 |
APG Unit 1 - Over Temperature |
|
126 |
520281 |
25, 26, 27 |
APG Unit - Configuration |
|
127 |
520282 |
0 |
APGUnit 1 - AmbientAir Over Temperature |
|
128 |
520283 |
9 |
APGUnit 1 - CAN |
|
165 |
520320 |
2 |
APG Unit 1 -Configuration Error |