Generic SAE-standard code: same meaning on every make.
29E
Specific fault index within the subsystem.
Frequently asked questions about U029E
What does U029E mean?
Lost Communication With NOx Sensor B. The control module stopped receiving expected network messages from the NOx Sensor B node on the vehicle communication bus.
Is U029E generic or manufacturer-specific?
U029E is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove U029E 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 U029E is removable in your case.
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