The control module judged the Battery Charging System Negative Contactor D Control signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.
TuningBot DTC Database · v4.37.14
P2D74 Battery Charging System Negative Contactor D Control Circuit Range/Performance
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2D74 means
Related and nearby codes
How to read P2D74
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 P2D74
What does P2D74 mean?
Battery Charging System Negative Contactor D Control Circuit Range/Performance. The control module judged the Battery Charging System Negative Contactor D Control signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.
Is P2D74 generic or manufacturer-specific?
P2D74 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2D74 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
