Generic SAE-standard code: same meaning on every make.
49D
Specific fault index within the subsystem.
Frequently asked questions about U049D
What does U049D mean?
Invalid Data Received From Glow Plug Control Module 2. The control module registered the fault condition described as "Invalid Data Received From Glow Plug Control Module 2".
Is U049D generic or manufacturer-specific?
U049D is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove U049D 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 U049D is removable in your case.
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