Generic SAE-standard code: same meaning on every make.
437
Specific fault index within the subsystem.
Frequently asked questions about U0437
What does U0437 mean?
Invalid Data Received From Differential Control Module - Rear. The control module registered the fault condition described as "Invalid Data Received From Differential Control Module - Rear".
Is U0437 generic or manufacturer-specific?
U0437 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove U0437 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 U0437 is removable in your case.