The control module detected an unstable or intermittent signal in the Exhaust Gas Temperature circuit.
TuningBot DTC Database · v4.37.15
P2477 Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 4
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2477 means
Related and nearby codes
How to read P2477
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 P2477
What does P2477 mean?
Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 4. The control module detected an unstable or intermittent signal in the Exhaust Gas Temperature circuit.
Is P2477 generic or manufacturer-specific?
P2477 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2477 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
