P2149Injector - group B, supply voltage - open circuit
Generic (OBD-II) interpretation in the TuningBot DTC database.
P · PowertrainFuelOBD2
What P2149 means
P2149
Injector - group B, supply voltage - open circuit
Generic · fuel
Data confidence85%
The control module detected an interruption (open circuit) in the Injector - group B, supply voltage circuit, so the expected electrical continuity was not present.
Symptoms
MIL illuminated
Possible rough running or misfire
Possible increased fuel consumption
Possible causes
Wiring
engine control (EC) relay
Injector
Recommended checks
Read fuel trim / mixture adaptation values
Check injector circuits and compare cylinder balance
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
149
Specific fault index within the subsystem.
Frequently asked questions about P2149
What does P2149 mean?
Injector - group B, supply voltage - open circuit. The control module detected an interruption (open circuit) in the Injector - group B, supply voltage circuit, so the expected electrical continuity was not present.
Is P2149 generic or manufacturer-specific?
P2149 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2149 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.
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