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P04D6
Exhaust Brake Input Circuit High
Generic · engine
Data confidence
65%
The control module detected that the signal in the Exhaust Brake Input circuit stayed above the expected operating range.
TuningBot DTC Database · v4.37.15
P04D6 Exhaust Brake Input Circuit High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P04D6 means
Related and nearby codes
How to read P04D6
P
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
4D6
Specific fault index within the subsystem.
Frequently asked questions about P04D6
What does P04D6 mean?
Exhaust Brake Input Circuit High. The control module detected that the signal in the Exhaust Brake Input circuit stayed above the expected operating range.
Is P04D6 generic or manufacturer-specific?
P04D6 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P04D6 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic