OBD2 trouble code reference
8,155 codes across 1 prefix groups on this page.
U1xxx
- U1768 U1768: Data Bus Communication Fault network
- U1769 U1769: CAN Bus Communication Failure network
- U1770 U1770: ECM/TCM Communication Failure network
- U1771 TCM-ECM Communication Failure network
- U1772 U1772: "Control Module Communication Failure network
- U1773 U1773: Transmission Control Module Communication Error network
- U1774 U1774: Transmission Control Module Communication Error network
- U1776 U1776: Transmission Control Module Communication Error network
- U1777 U1777: "Module Communication Fault network
- U1779 Control Module Communication Bus Off network
- U1780 refers to a communication issue related to the transmission control module (TCM) in a vehicle network
- U1781 Transmission Control Module (TCM) Communication Error network
- U1782 Transmission Control Module (TCM) Communication Error network
- U1783 Transmission Control Module (TCM) Communication Bus Off network
- U1784 refers to a communication issue related to the transmission control module (TCM) in a vehicle network
- U1785 refers to a communication issue related to the transmission control module (TCM) in a vehicle network
- U1786 refers to a communication issue related to the transmission control module (TCM) in a vehicle network
- U1787 refers to a communication issue related to the transmission control module (TCM) in a vehicle network
- U1788 refers to a communication issue related to the transmission control module (TCM) in a vehicle network
- U1789 refers to a communication issue related to the transmission control module (TCM) in a vehicle network
- U1790 refers to a communication issue between the engine control module (ECM) and the transmission control module (TCM) network
- U1791 U1791: Communication Network Malfunction network
- U1792 U1792: "Control Module Communication Failure network
- U1793 refers to a communication issue between the engine control module (ECM) and the transmission control module (TCM) network
- U1794 SCP (J1850) Lack of Acknowledgment for Mirrors network
- U1795 U1795: Transmission Control Module Communication Error network
- U1796 U1796: "Control Module Communication Failure network
- U1797 refers to a communication issue between the engine control module (ECM) and the transmission control module (TCM) network
- U1798 SCP (J1850) Lack of Acknowledgment for External Access (Doors) network
- U1799 U1799: "Control Module Communication Failure network
- U1800 U1800: "Data Bus Communication Failure network
- U1801 CAN Communication Bus Fault network
- U1802 U1802: Data Bus Communication Fault network
- U1803 U1803: Data Bus Communication Fault network
- U1804 U1804: Data Bus Communication Fault network
- U1805 U1805: Transmission Control Module Communication Error network
- U1806 SCP (J1850) Lack of Acknowledgment for Primary Id network
- U1807 U1807: Data Bus Communication Fault network
- U1808 U1808: Data Bus Communication Fault network
- U1809 U1809: Data Bus Communication Fault network
- U1810 U1810: TCM-ECM Communication Fault network
- U1811 refers to a communication issue between the transmission control module (TCM) and the engine control module (ECM) network
- U1812 refers to a communication issue between the transmission control module (TCM) and the engine control module (ECM) network
- U1813 U1813: TCM-ECM Communication Fault network
- U1814 U1814: Transmission Control Module Communication Error network
- U1815 U1815: TCM-ECM Communication Failure network
- U1816 refers to a communication issue related to the transmission control module (TCM) in a vehicle network
- U1817 U1817: TCM-ECM Communication Fault network
- U1818 U1818: TCM-ECM Communication Failure network
- U1819 refers to a communication issue related to the transmission control module (TCM) in a vehicle network