The control module detected an unstable or intermittent signal in the Exhaust Brake Input circuit.
TuningBot DTC Database · v4.37.15
P04D7 Exhaust Brake Input Circuit Intermittent/Erratic
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P04D7 means
Related and nearby codes
How to read P04D7
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P04D7
What does P04D7 mean?
Exhaust Brake Input Circuit Intermittent/Erratic. The control module detected an unstable or intermittent signal in the Exhaust Brake Input circuit.
Is P04D7 generic or manufacturer-specific?
P04D7 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P04D7 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
