Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P2B20 Hybrid/EV Electronics Coolant Temperature Sensor B Circuit

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainHybridOBD2

What P2B20 means

P2B20
Hybrid/EV Electronics Coolant Temperature Sensor B Circuit Generic · hybrid Data confidence 65%

The control module detected improper operation of the Hybrid/EV Electronics Coolant Temperature Sensor B circuit.

Related and nearby codes

How to read P2B20

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

B20

Specific fault index within the subsystem.

Frequently asked questions about P2B20

What does P2B20 mean?

Hybrid/EV Electronics Coolant Temperature Sensor B Circuit. The control module detected improper operation of the Hybrid/EV Electronics Coolant Temperature Sensor B circuit.

Is P2B20 generic or manufacturer-specific?

P2B20 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2B20 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

ECU tuningDyno-tested results by model and engine See the results →

← Search the full DTC database