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P2A37
AFCM Power Relay Sense Circuit High
Generic · battery
Data confidence
65%
The control module detected that the signal in the AFCM Power Relay Sense circuit stayed above the expected operating range.
TuningBot DTC Database · v4.37.14
P2A37 AFCM Power Relay Sense Circuit High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2A37 means
Related and nearby codes
How to read P2A37
P
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
A37
Specific fault index within the subsystem.
Frequently asked questions about P2A37
What does P2A37 mean?
AFCM Power Relay Sense Circuit High. The control module detected that the signal in the AFCM Power Relay Sense circuit stayed above the expected operating range.
Is P2A37 generic or manufacturer-specific?
P2A37 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2A37 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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