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U-Codes

Network Codes

CAN bus and module communication faults across all vehicle networks. 649 codes total.

Showing 31–60 of 649

U0100-87
Lost Communication with Control Module
High

What Does U0100-87 Mean?The U0100-87 diagnostic trouble code is a high severity issue specifically indicating a missing message. In most…

U0100
Lost Communication with Control Module
Critical

What Does U0100 Mean?The U0100 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0101-08
Lost Communication with Control Module
High

What Does U0101-08 Mean?The U0101-08 diagnostic trouble code is a high severity issue specifically indicating a bus signal / message…

U0101-87
Lost Communication with Control Module
High

What Does U0101-87 Mean?The U0101-87 diagnostic trouble code is a high severity issue specifically indicating a missing message. In most…

U0101-88
Lost Communication with Control Module
High

What Does U0101-88 Mean?The U0101-88 diagnostic trouble code is a high severity issue specifically indicating a bus off. In most…

U0101
Lost Communication with Control Module
Critical

What Does U0101 Mean?The U0101 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0102
Lost Communication with Control Module
Critical

What Does U0102 Mean?The U0102 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0103
Lost Communication with Control Module
Critical

What Does U0103 Mean?The U0103 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0104
Lost Communication with Control Module
Critical

What Does U0104 Mean?The U0104 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0106
Lost Communication with Control Module
Critical

What Does U0106 Mean?The U0106 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0109
Lost Communication with Control Module
Critical

What Does U0109 Mean?The U0109 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U010C
Lost Communication with Control Module
Critical

What Does U010C Mean?The U010C diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0114
Lost Communication with Control Module
Critical

What Does U0114 Mean?The U0114 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0120
Lost Communication with Control Module
Critical

What Does U0120 Mean?The U0120 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0121
Lost Communication with Control Module
Critical

What Does U0121 Mean?The U0121 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0125
Lost Communication with Control Module
Critical

What Does U0125 Mean?The U0125 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0126
Lost Communication with Control Module
Critical

What Does U0126 Mean?The U0126 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0127
Lost Communication with Control Module
Critical

What Does U0127 Mean?The U0127 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0129
Lost Communication with Control Module
Critical

What Does U0129 Mean?The U0129 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U012D
Lost Communication with Control Module
Critical

What Does U012D Mean?The U012D diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0131
Lost Communication with Control Module
Critical

What Does U0131 Mean?The U0131 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0132
Lost Communication with Control Module
Critical

What Does U0132 Mean?The U0132 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0136
Lost Communication with Control Module
Critical

What Does U0136 Mean?The U0136 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0139
Lost Communication with Control Module
Critical

What Does U0139 Mean?The U0139 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0140-87
Lost Communication with Control Module
High

What Does U0140-87 Mean?The U0140-87 diagnostic trouble code is a high severity issue specifically indicating a missing message. In most…

U0140-8F
Lost Communication with Control Module
High

What Does U0140-8F Mean?The U0140-8F diagnostic trouble code is a high severity issue specifically indicating a erratic. In most Jeep…

U0140
Lost Communication with Control Module
Critical

What Does U0140 Mean?The U0140 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0141
Lost Communication with Control Module
Critical

What Does U0141 Mean?The U0141 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0143
Lost Communication with Control Module
Critical

What Does U0143 Mean?The U0143 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

U0146
Lost Communication with Control Module
Critical

What Does U0146 Mean?The U0146 diagnostic trouble code is a critical severity issue. In most Jeep models, this is primarily…

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