The control module detected that the Exhaust Pressure Control Valve A Driver Current/Temperature value was above the expected limit.
TuningBot DTC Database · v4.37.15
P2B99 Exhaust Pressure Control Valve A Driver Current/Temperature Too High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2B99 means
Related and nearby codes
How to read P2B99
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 P2B99
What does P2B99 mean?
Exhaust Pressure Control Valve A Driver Current/Temperature Too High. The control module detected that the Exhaust Pressure Control Valve A Driver Current/Temperature value was above the expected limit.
Is P2B99 generic or manufacturer-specific?
P2B99 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2B99 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
