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TuningBot DTC Database · v4.37.15

P0948 Hydraulic Pump Relay Circuit High

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

P · PowertrainTransmissionOBD2

What P0948 means

P0948
Hydraulic Pump Relay Circuit High Generic · transmission Data confidence 90%

The control module detected that the signal in the Hydraulic Pump Relay circuit stayed above the expected operating range.

Possible causes

  • Wiring
  • short to positive
  • hydraulic pump relay
  • ECM/PCM/TCM

Related and nearby codes

How to read P0948

P

Powertrain: engine, transmission and driveline systems.

0

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

948

Specific fault index within the subsystem.

Frequently asked questions about P0948

What does P0948 mean?

Hydraulic Pump Relay Circuit High. The control module detected that the signal in the Hydraulic Pump Relay circuit stayed above the expected operating range.

Is P0948 generic or manufacturer-specific?

P0948 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0948 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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