Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P2AF9 Starter Relay D Control Circuit High

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

P · PowertrainEngineOBD2

What P2AF9 means

P2AF9
Starter Relay D Control Circuit High Generic · engine Data confidence 65%

The control module detected that the signal in the Starter Relay D Control circuit stayed above the expected operating range.

Related and nearby codes

How to read P2AF9

P

Powertrain: engine, transmission and driveline systems.

2

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

AF9

Specific fault index within the subsystem.

Frequently asked questions about P2AF9

What does P2AF9 mean?

Starter Relay D Control Circuit High. The control module detected that the signal in the Starter Relay D Control circuit stayed above the expected operating range.

Is P2AF9 generic or manufacturer-specific?

P2AF9 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2AF9 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