The control module detected an interruption (open circuit) in the Electric/Auxiliary Transmission Fluid Pump B Control circuit, so the expected electrical continuity was not present.
TuningBot DTC Database · v4.37.15
P27A2 Electric/Auxiliary Transmission Fluid Pump B Control Circuit/Open
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P27A2 means
Related and nearby codes
How to read P27A2
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 P27A2
What does P27A2 mean?
Electric/Auxiliary Transmission Fluid Pump B Control Circuit/Open. The control module detected an interruption (open circuit) in the Electric/Auxiliary Transmission Fluid Pump B Control circuit, so the expected electrical continuity was not present.
Is P27A2 generic or manufacturer-specific?
P27A2 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P27A2 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
