U029FLost Communication With Evaporative Emission System Leak Detection Control Module
Generic (OBD-II) interpretation in the TuningBot DTC database.
U · NetworkEmissionsOBD2
What U029F means
U029F
Lost Communication With Evaporative Emission System Leak Detection Control Module
Generic · emissions
Data confidence65%
The control module stopped receiving expected network messages from the Evaporative Emission System Leak Detection Control Module node on the vehicle communication bus.
Generic SAE-standard code: same meaning on every make.
29F
Specific fault index within the subsystem.
Frequently asked questions about U029F
What does U029F mean?
Lost Communication With Evaporative Emission System Leak Detection Control Module. The control module stopped receiving expected network messages from the Evaporative Emission System Leak Detection Control Module node on the vehicle communication bus.
Is U029F generic or manufacturer-specific?
U029F is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove U029F at file level?
Not guaranteed. Powertrain (P) codes can be reliably disabled in the ECU calibration, but body, chassis and network codes depend on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether U029F is removable in your case.
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