The control module detected a fault associated with the Deactivation/Exhaust Valve Control Circuit Bank 2 circuit or function; the stored code identifies the affected component rather than a single failure mode.
TuningBot DTC Database · v4.37.14
P340D Deactivation/Exhaust Valve Control Circuit Bank 2
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P340D means
Related and nearby codes
How to read P340D
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 P340D
What does P340D mean?
Deactivation/Exhaust Valve Control Circuit Bank 2. The control module detected a fault associated with the Deactivation/Exhaust Valve Control Circuit Bank 2 circuit or function; the stored code identifies the affected component rather than a single failure mode.
Is P340D generic or manufacturer-specific?
P340D is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P340D 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
