The control module determined that the Exhaust Heat Exchanger Exhaust Bypass Valve A did not change state as commanded and appears stuck.
TuningBot DTC Database · v4.37.15
P00E4 Exhaust Heat Exchanger Exhaust Bypass Valve A Stuck Closed
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P00E4 means
Related and nearby codes
How to read P00E4
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 P00E4
What does P00E4 mean?
Exhaust Heat Exchanger Exhaust Bypass Valve A Stuck Closed. The control module determined that the Exhaust Heat Exchanger Exhaust Bypass Valve A did not change state as commanded and appears stuck.
Is P00E4 generic or manufacturer-specific?
P00E4 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P00E4 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
