Diagnostic Category Index
Status: Database_Connected
ClassificationSeries: U0000+
Network Communication Codes
Explore 21 diagnostic trouble codes indexed within this subsystem.
DTC Code Repository
21 RECORDS_AVAILABLEU0100
Lost Communication with ECM/PCM A
Complexity: 3
U0101
Lost Communication with Transmission Control Module (TCM)
Complexity: 3
U0102
Lost Communication with Transfer Case Control Module (TCCM)
Complexity: 3
U0103
Lost Communication With Gear Shift Module (GSM)
Complexity: 3
U0104
Lost Communication With Cruise Control Module
Complexity: 3
U0105
Lost Communication With Fuel Injector Control Module (FICM)
Complexity: 3
U0106
Lost Communication with Glow Plug Control Module
Complexity: 3
U0109
Lost Communication With Fuel Pump Control Module
Complexity: 3
U0121
Lost Communication With Anti-Lock Brake System (ABS) Control Module
Complexity: 3
U0122
Lost Communication With Vehicle Dynamics Control Module
Complexity: 3
U0128
Lost Communication With Parking Brake Control Module
Complexity: 3
U0129
Lost Communication with Brake System Control Module
Complexity: 3
U0131
Lost Communication with Power Steering Control Module
Complexity: 3
U0140
Lost Communication With Body Control Module (BCM)
Complexity: 3
U0151
Lost Communication with Restraints Control Module (RCM)
Complexity: 3
U0155
Lost Communication With Instrument Panel Cluster (IPC) Control Module
Complexity: 3
U0159
Lost Communication with Parking Assist Control Module
Complexity: 3
U0164
Lost Communication With HVAC Control Module
Complexity: 3
U0199
Lost Communication with Door Control Module A
Complexity: 3
U0200
Lost Communication with Door Control Module B
Complexity: 3
U0401
Invalid Data Received From ECM/PCM A
Complexity: 3
Universal Diagnostic Protocol
01
Check Battery Health & Voltage First
02
Check Ground Connections
03
Scan for Diagnostic Trouble Codes (DTCs)
04
Review Live Data & Sensor Readings
05
Check for Technical Service Bulletins (TSBs)
06
Test Related Components & Circuits
07
Clear Codes & Retest After Repairs