The control module detected an unstable or intermittent signal in the Engine Coolant Temperature Sensor 5 circuit.
TuningBot DTC Database · v4.37.15
P2BB5 Engine Coolant Temperature Sensor 5 Circuit Intermittent/Erratic
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2BB5 means
Related and nearby codes
How to read P2BB5
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 P2BB5
What does P2BB5 mean?
Engine Coolant Temperature Sensor 5 Circuit Intermittent/Erratic. The control module detected an unstable or intermittent signal in the Engine Coolant Temperature Sensor 5 circuit.
Is P2BB5 generic or manufacturer-specific?
P2BB5 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2BB5 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
