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TuningBot DTC Database · v4.37.15

P0958 ASM Mode Circuit High

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

P · PowertrainTransmissionOBD2

What P0958 means

P0958
ASM Mode Circuit High Generic · transmission Data confidence 90%

The control module detected that the signal in the ASM Mode circuit stayed above the expected operating range.

Possible causes

  • Wiring
  • poor connection
  • short to positive
  • ECM/PCM/TCM

Related and nearby codes

How to read P0958

P

Powertrain: engine, transmission and driveline systems.

0

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

958

Specific fault index within the subsystem.

Frequently asked questions about P0958

What does P0958 mean?

ASM Mode Circuit High. The control module detected that the signal in the ASM Mode circuit stayed above the expected operating range.

Is P0958 generic or manufacturer-specific?

P0958 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0958 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

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