Network fault codes
1534 Network OBD-II fault codes: what each one means, and how to track it down.
How to read a code
- P
- SystemPowertrain
- 0
- Defined bySAE, the same on every car
- 4
- AreaAuxiliary emission controls
- 20
- FaultThe specific fault in that area
Read the code
Note every stored and pending code your scanner shows, such as P0420.
Find it
Search by code or by words. For a manufacturer code (P1, B1, C1, U1) pick your make: its meaning differs by make.
Open the code
Its page explains the symptoms, likely causes, the checks to run and the fixes.
- U013DGeneric · NetworkLost Communication With Vacuum Sensor A
- U013EGeneric · NetworkLost Communication With Vacuum Sensor B
- U013FGeneric · NetworkLost Communication With Pedestrian Alert Control Module
- U0140Generic · NetworkLost Communication With Body Control Module
- U0141Generic · NetworkLost Communication With Body Control Module A
- U0142Generic · NetworkLost Communication With Body Control Module B
- U0143Generic · NetworkLost Communication With Body Control Module C
- U0144Generic · NetworkLost Communication With Body Control Module D
- U0145Generic · NetworkLost Communication With Body Control Module E
- U0146Generic · NetworkLost Communication With Serial Data Gateway Module A
- U0147Generic · NetworkLost Communication With Serial Data Gateway Module B
- U0148Generic · NetworkLost Communication With Serial Data Gateway Module C
- U0149Generic · NetworkLost Communication With Serial Data Gateway Module D
- U014AGeneric · NetworkLost Communication With Battery Energy Control Module C
- U014BGeneric · NetworkLost Communication With Hybrid/EV Battery Inductive Charging Module
- U014CGeneric · NetworkLost Communication With Battery Energy Control Module D
- U014DGeneric · NetworkLost Communication with Mirror Control Module B
- U014EGeneric · NetworkLost Communication With Multi-axis Acceleration Sensor Module B
- U0150Generic · NetworkLost Communication With Serial Data Gateway Module E
- U0151Generic · NetworkLost Communication With Restraints Control Module
- U0152Generic · NetworkLost Communication With Side Restraints Control Module - Left
- U0153Generic · NetworkLost Communication With Side Restraints Control Module - Right
- U0154Generic · NetworkLost Communication With Restraints Occupant Classification System Module
- U0155Generic · NetworkLost Communication With Instrument Panel Cluster (IPC) Control Module
- U0156Generic · NetworkLost Communication With Information Center A
- U0157Generic · NetworkLost Communication With Information Center B
- U0158Generic · NetworkLost Communication With Head Up Display
- U0159Generic · NetworkLost Communication With Parking Assist Control Module A
- U015AGeneric · NetworkLost Communication With Anti-Lock Brake System (ABS) Control Module B
- U015BGeneric · NetworkLost Communication With Power Steering Control Module “B”