Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
U029F00Lost Communication with Evaporative Emission System Leak Detection Control Module
Manufacturer communications
1Original wording in English
KIA
PITSTOP: MIL ON WITH DTC U029F00 - Some 2017-2019MY Niro (DE HEV) vehicles may have a malfunction indicator lamp (MIL) illumination with DTC U029F00 (Lost Communication with Evaporative Emission System Leak Detection Control Module ) active. Prior to following the standard diagnostic steps for the DTC as outlined in KGIS, on veh…
Check vehicle applicability
3A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.