TuningBot DTC Database · v4.37.15
1 manufacturer-specific interpretation across 1 manufacturer in the TuningBot DTC database.
HyundaiHyundaiThe control module registered the fault condition described as "Fan Operation Error - no plug put or line open (Fan is not running although it should be on)". This is the manufacturer-specific definition used by Hyundai.
Network: communication between control units.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Fan Operation Error - no plug put or line open (Fan is not running although it should be on). The control module registered the fault condition described as "Fan Operation Error - no plug put or line open (Fan is not running although it should be on)". This is the manufacturer-specific definition used by Hyundai.
U1139 is a manufacturer-specific code. In this database it is documented for: Hyundai. The same number can mean something different on other brands.
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 U1139 is removable in your case.
Understand the system behind this code: Diagnostic Strategy and DTC Logic
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