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C0603
Active Air Dam Control Circuit High
Generic · chassis
Data confidence
65%
The control module detected that the signal in the Active Air Dam Control circuit stayed above the expected operating range.
TuningBot DTC Database · v4.37.15
C0603 Active Air Dam Control Circuit High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What C0603 means
Related and nearby codes
How to read C0603
C
Chassis: brakes, steering and suspension.
0
Generic SAE-standard code: same meaning on every make.
603
Specific fault index within the subsystem.
Frequently asked questions about C0603
What does C0603 mean?
Active Air Dam Control Circuit High. The control module detected that the signal in the Active Air Dam Control circuit stayed above the expected operating range.
Is C0603 generic or manufacturer-specific?
C0603 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove C0603 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 C0603 is removable in your case.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic