Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
49B
Specific fault index within the subsystem.
Frequently asked questions about P249B
What does P249B mean?
EGR Cooler Bypass Position Sensor Circuit Intermittent/Erratic Bank 2. The control module detected an unstable or intermittent signal in the EGR Cooler Bypass Position circuit.
Is P249B generic or manufacturer-specific?
P249B is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P249B 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.
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