Network Communication Codes (U0XXX)
Complete list of network communication diagnostic trouble codes (U0XXX). Browse codes for CAN bus and module communication issues.
Popular Network Communication Codes
U0121
Lost Communication with ABS
Lost Communication with Anti-Lock Brake System Control Module
U0202
Lost Communication with Instrument Panel
Lost Communication with Instrument Panel Control Module
U0300
Lost Communication with Infotainment
Lost Communication with Infotainment Control Module
Complete Network Codes Index
Browse all available network communication diagnostic trouble codes (U0XXX) organized by series:
Showing codes 5901-6000 of 8192 total codes
U1XXX Network Communication Systems
U170C
Indicates a communication error between the Transmission Control Module (TCM)...
U170D
The U170D code indicates a communication error among the vehicle's control mo...
U170E
U170E indicates a communication error between the ECU and TCM.
U170F
U170F indicates a communication error between the PCM and TCM,
U1710
DTC U1710 is a diagnostic trouble code that indicates a communication fault w...
U1711
U1711 indicates a communication error with the transmission control module,
U1712
U1712 indicates a communication failure between the Transmission Control Modu...
U1713
DTC U1713 signifies a communication error between the transmission control mo...
U1714
U1714 indicates a communication failure between the TCM and ECM in certain Fo...
U1715
U1715 indicates a communication failure within the vehicle's CAN bus system.
U1716
U1716 signifies a communication error between the TCM and ECM,
U1717
DTC U1717 indicates a communication issue within the vehicle's CAN system,
U1718
U1718 indicates a communication error between the TCM and ECM.
U1719
U1719 indicates a communication issue within your vehicle's CAN bus system,
U171A
U171A indicates a communication error between the vehicle's transmission and ...
U171B
U171B indicates a communication failure between the TCM and ECM,
U171C
Indicates a communication issue between the vehicle's control modules,
U171D
U171D indicates a communication issue between the TCM and other vehicle modules.
U171E
U171E indicates a communication issue within the vehicle's control modules.
U171F
The U171F code indicates a communication malfunction between the transmission...
U1720
DTC U1720 indicates a communication failure between the vehicle's control mod...
U1721
DTC U1721 signifies a communication failure between vehicle control modules,
U1722
U1722 indicates a communication fault between the transmission control module...
U1723
U1723 indicates a CAN communication line error, often affecting module intera...
U1724
U1724 indicates a communication problem between the PCM and BCM.
U1725
DTC U1725 indicates a communication error between vehicle control modules.
U1726
U1726 signifies a communication error between the main control module and the...
U1727
The U1727 code indicates a communication issue within the vehicle's restraint...
U1728
U1728 indicates a communication fault between vehicle control modules.
U1729
U1729 indicates a communication failure in the vehicle's LIN network.
U172A
U172A indicates a communication failure between control modules in your vehicle.
U172B
U172B indicates a communication fault between vehicle control modules.
U172C
U172C indicates a communication issue within the vehicle's network,
U172D
U172D signifies a communication error within the vehicle's control modules.
U172E
U172E indicates a communication issue between the integrated control module a...
U172F
The U172F code indicates a communication error with the rear axle module.
U1730
U1730 indicates a communication error in the vehicle's CAN bus system.
U1731
U1731 indicates a communication error in the cross traffic alert system.
U1732
U1732 indicates a communication issue between vehicle control modules.
U1733
U1733 indicates a communication error in the hybrid powertrain control module.
U1734
The U1734 code indicates a communication error in the vehicle's CAN bus system.
U1735
U1735 signifies a communication error between vehicle control modules.
U1736
U1736 indicates a communication error between the Transmission Control Module...
U1737
U1737 indicates a communication failure between vehicle control modules.
U1738
U1738 indicates a communication failure between vehicle modules,
U1739
U1739 indicates a communication error in hybrid vehicle systems.
U173A
U173A indicates a communication failure between the Transmission Control Modu...
U173B
DTC U173B indicates a communication error between vehicle control modules.
U173C
U173C indicates a communication error in the vehicle's CAN system.
U173D
U173D indicates a communication error between vehicle modules.
U173E
U173E indicates a communication error in the vehicle's network.
U173F
U173F indicates a communication error between vehicle control modules.
U1740
The U1740 code indicates a communication error between vehicle modules.
U1741
DTC U1741 indicates a communication failure within the vehicle's control modu...
U1742
DTC U1742 indicates a communication issue among vehicle modules.
U1743
DTC U1743 signals a communication failure between the transmission control mo...
U1744
DTC U1744 indicates a communication issue between the Powertrain Control Modu...
U1745
DTC U1745 indicates a communication failure between the transmission control ...
U1746
U1746 indicates a communication error between vehicle modules.
U1747
U1747 indicates a communication fault between the ECM and TCM.
U1748
The U1748 code indicates a communication failure between vehicle modules,
U1749
U1749 indicates a communication error between the transmission control module...
U174A
The U174A code indicates a communication error between the Transmission Contr...
U174B
U174B indicates a communication failure between the ECM and TCM.
U174C
U174C indicates a communication error between vehicle control modules.
U174D
U174D indicates a communication failure between control modules,
U174E
U174E indicates a communication error between the control modules in your veh...
U174F
U174F indicates a LIN communication error in certain vehicle control modules.
U1750
U1750 indicates a communication error between vehicle control modules.
U1751
U1751 indicates a communication error between the transmission control module...
U1752
U1752 indicates a communication issue between the body control module and oth...
U1753
The U1753 code indicates a communication error between control modules.
U1754
U1754 indicates a communication error within your vehicle's network between m...
U1755
U1755 indicates a communication error between the Body Control Module and oth...
U1756
DTC U1756 is a diagnostic trouble code that indicates a communication problem...
U1757
U1757 indicates a communication failure in the vehicle's control modules.
U1758
U1758 indicates a communication failure between vehicle control modules.
U1759
U1759 indicates a communication issue within your vehicle's network of contro...
U175A
U175A indicates a communication error between vehicle control modules.
U175B
U175B indicates a communication fault between vehicle modules.
U175C
U175C indicates a communication issue between the PCM and TCM.
U175D
U175D signifies a communication fault with the transfer case control module i...
U175E
U175E indicates a communication issue among vehicle modules.
U175F
DTC U175F indicates a communication error between modules in the vehicle's el...
U1760
DTC U1760 signals a communication issue between vehicle modules.
U1761
U1761 indicates a communication error between the body control module and oth...
U1762
U1762 indicates a communication failure between vehicle control modules.
U1763
U1763 indicates a communication issue between the chassis control module and ...
U1764
U1764 indicates a communication error between vehicle modules,
U1765
U1765 indicates a communication issue between vehicle control modules.
U1766
DTC U1766 indicates a communication issue between control modules in certain ...
U1767
U1767 indicates a communication fault between control modules,
U1768
U1768 indicates a communication failure between the body control module and o...
U1769
U1769 indicates a communication error between vehicle control modules.
U176A
U176A indicates a communication error between vehicle modules,
U176B
U176B indicates a communication error in the vehicle's CAN bus system,
U176C
U176C indicates a communication error within the vehicle's control modules.
U176D
U176D indicates a communication error between vehicle control modules.
U176E
DTC U176E indicates a communication failure between the engine control module...
U176F
U176F indicates a communication issue between control modules,
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