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TuningBot DTC Database · v4.37.15

P2537 Ignition switch, accessory position - circuit low

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

P · PowertrainEngineOBD2

What P2537 means

P2537
Ignition switch, accessory position - circuit low Generic · engine Data confidence 78%

The control module detected that the signal in the Ignition switch, accessory position circuit stayed below the expected operating range.

Possible causes

  • Wiring short to ground
  • fuse
  • ignition switch

Related and nearby codes

How to read P2537

P

Powertrain: engine, transmission and driveline systems.

2

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

537

Specific fault index within the subsystem.

Frequently asked questions about P2537

What does P2537 mean?

Ignition switch, accessory position - circuit low. The control module detected that the signal in the Ignition switch, accessory position circuit stayed below the expected operating range.

Is P2537 generic or manufacturer-specific?

P2537 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2537 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 →

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