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

U0100

Lost Communication with ECM

Lost Communication with Engine Control Module

U0101

Lost Communication with TCM

Lost Communication with Transmission Control Module

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 5501-5600 of 8192 total codes

U1XXX Network Communication Systems

U157C
U157C indicates a problem with communication between vehicle modules.
U157D
U157D indicates a communication fault in the vehicle's electronic modules.
U157E
DTC U157E indicates a communication problem between vehicle modules.
U157F
U157F indicates a communication issue within the vehicle's control modules,
U1580
U1580 indicates a communication error in the vehicle's electronic systems.
U1581
U1581 indicates a communication issue between vehicle control modules.
U1582
The U1582 code indicates a communication error between control modules in GM ...
U1583
U1583 indicates a communication failure between vehicle control modules.
U1584
U1584 indicates a communication failure between modules in your vehicle's net...
U1585
U1585 indicates a communication error between vehicle control modules.
U1586
U1586 indicates a communication fault in the vehicle's electronic systems,
U1587
U1587 signifies a communication error within the vehicle's control modules,
U1588
U1588 signifies a communication error between vehicle modules.
U1589
DTC U1589 indicates communication issues between the body control module and ...
U158A
U158A indicates a communication error between vehicle control modules,
U158B
U158B indicates a communication error between vehicle modules,
U158C
U158C indicates a communication error between vehicle control modules.
U158D
U158D is a communication error related to the vehicle's Body Control Module.
U158E
U158E indicates a communication failure between vehicle modules.
U158F
U158F refers to a communication issue between the battery management system a...
U1590
U1590 indicates a communication problem between electronic control modules in...
U1591
DTC U1591 indicates a communication issue within the vehicle's electronic con...
U1592
U1592 indicates a communication error between vehicle modules.
U1593
U1593 indicates a communication failure between the vehicle's electronic cont...
U1594
U1594 indicates a communication failure between vehicle control modules.
U1595
U1595 indicates a communication error between vehicle control modules.
U1596
U1596 indicates a communication error within the vehicle's control modules.
U1597
DTC U1597 indicates a communication issue among the vehicle's control modules.
U1598
U1598 indicates a communication error between vehicle control modules,
U1599
U1599 indicates a communication error between vehicle control modules.
U159A
U159A indicates a communication failure within the vehicle’s network,
U159B
U159B indicates a communication issue in the vehicle's control modules.
U159C
U159C indicates a communication failure between vehicle control modules.
U159D
U159D refers to a communication error within the vehicle's body control modul...
U159E
U159E indicates a communication issue between the powertrain and body control...
U159F
The U159F code indicates a communication failure with the vehicle control mod...
U15A0
U15A0 indicates a network communication issue among vehicle control modules.
U15A1
U15A1 indicates a communication issue between vehicle control modules.
U15A2
U15A2 indicates a communication fault between the vehicle's control modules.
U15A3
U15A3 indicates a communication error within the Adaptive Cruise Control system.
U15A4
U15A4 indicates a communication issue between the Vehicle Control Module and ...
U15A5
U15A5 indicates a communication failure between the Body Control Module and t...
U15A6
The U15A6 code indicates a problem with communication between the Remote Func...
U15A7
Indicates a problem with the vehicle's communication system, specifically rel...
U15A8
U15A8 indicates a communication fault within the vehicle's body control module.
U15A9
U15A9 indicates a communication issue between vehicle control modules.
U15AA
The U15AA code means there is a communication fault in the vehicle's network.
U15AB
U15AB indicates a communication issue within the vehicle's steering control s...
U15AC
U15AC indicates a communication issue between vehicle modules,
U15AD
U15AD indicates a communication fault between vehicle modules.
U15AE
U15AE indicates a communication issue between the body control module and oth...
U15AF
U15AF indicates a communication issue within your vehicle's restraint control...
U15B0
U15B0 indicates a communication issue between the Body Control Module and oth...
U15B1
DTC U15B1 indicates a communication failure between the body control module a...
U15B2
DTC U15B2 signifies a communication failure between the Body Control Module a...
U15B3
DTC U15B3 indicates a communication error within the vehicle's electronic con...
U15B4
U15B4 indicates a communication error between electronic control modules in y...
U15B5
Indicates a communication issue within the vehicle's control modules,
U15B6
U15B6 indicates a communication error in the steering control module.
U15B7
U15B7 indicates a communication error within the vehicle's steering system.
U15B8
U15B8 indicates a communication error in the Body Control Module of your vehi...
U15B9
The U15B9 code indicates a communication error between the BCM and instrument...
U15BA
The U15BA code indicates a communication issue within the vehicle's advanced ...
U15BB
U15BB indicates a communication error within the vehicle's body control module.
U15BC
U15BC indicates a communication fault in the vehicle's electronic modules,
U15BD
U15BD indicates a communication issue between the Driver's Door Module and th...
U15BE
U15BE indicates a communication fault within the vehicle's Body Control Module.
U15BF
U15BF indicates a communication failure between the TCM and ECM.
U15C0
U15C0 indicates that the Body Control Module (BCM) is not communicating prope...
U15C1
U15C1 indicates a communication failure between the Body Control Module and t...
U15C2
U15C2 indicates a communication issue between control modules in your vehicle.
U15C3
U15C3 signifies a communication error between control modules in your vehicle...
U15C4
U15C4 indicates a communication fault in the vehicle network, affecting modul...
U15C5
U15C5 indicates a communication issue between the steering wheel control modu...
U15C6
U15C6 indicates a communication issue between vehicle control modules.
U15C7
U15C7 signifies a communication error within the vehicle's control modules,
U15C8
DTC U15C8 indicates a communication problem between vehicle control modules.
U15C9
U15C9 signifies a communication fault between vehicle modules.
U15CA
U15CA indicates a communication error between the body control module and oth...
U15CB
U15CB indicates a communication issue within the vehicle's Body Control Modul...
U15CC
U15CC indicates a communication error between vehicle modules,
U15CD
U15CD indicates a communication error between vehicle control modules.
U15CE
U15CE indicates a communication failure within the vehicle's safety systems.
U15CF
Indicates a communication issue within the vehicle's network, particularly in...
U15D0
U15D0 indicates a communication error between electronic control modules in y...
U15D1
U15D1 indicates a communication problem between the body control module and t...
U15D2
U15D2 indicates a communication issue within the vehicle's electronic control...
U15D3
U15D3 signifies a communication error between vehicle control modules,
U15D4
The diagnostic trouble code (DTC) U15D4 indicates a communication issue betwe...
U15D5
DTC U15D5 indicates a communication issue between the steering angle sensor a...
U15D6
U15D6 indicates a malfunction in the steering angle sensor circuit.
U15D7
DTC U15D7 signifies a communication error between the body control module and...
U15D8
The U15D8 code is a manufacturer-specific diagnostic trouble code primarily a...
U15D9
The U15D9 code indicates a communication issue between the Instrument Panel C...
U15DA
U15DA indicates a communication loss between vehicle ECUs, possibly affecting...
U15DB
U15DB indicates a communication error in the vehicle's advanced driver assist...
U15DC
U15DC indicates a communication issue between the vehicle's control modules.
U15DD
U15DD indicates a communication error between control modules in your vehicle.
U15DE
U15DE indicates a communication fault between electronic control modules in y...
U15DF
The U15DF code indicates a communication error with the power steering contro...
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