The control module detected that the signal in the Exhaust Aftertreatment Power Relay Control circuit stayed above the expected operating range.
TuningBot DTC Database · v4.37.14
P05F5 Exhaust Aftertreatment Power Relay Control Circuit High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P05F5 means
Related and nearby codes
How to read P05F5
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 P05F5
What does P05F5 mean?
Exhaust Aftertreatment Power Relay Control Circuit High. The control module detected that the signal in the Exhaust Aftertreatment Power Relay Control circuit stayed above the expected operating range.
Is P05F5 generic or manufacturer-specific?
P05F5 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P05F5 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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
