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(Fan is running although should be off)". 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(Fan is running although should be off). The control module registered the fault condition described as "Fan Operation Error(Fan is running although should be off)". This is the manufacturer-specific definition used by Hyundai.
U1138 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 U1138 is removable in your case.
Understand the system behind this code: Diagnostic Strategy and DTC Logic
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