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TuningBot DTC Database · v4.37.15

P0978 Shift Solenoid C Control Circuit Range/Performance

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

P · PowertrainTransmissionOBD2

What P0978 means

P0978
Shift Solenoid C Control Circuit Range/Performance Generic · transmission Data confidence 90%

The control module judged the Shift Solenoid C Control signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.

Possible causes

  • Wiring
  • poor connection
  • shift solenoid
  • ECM/PCM/TCM

Related and nearby codes

How to read P0978

P

Powertrain: engine, transmission and driveline systems.

0

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

978

Specific fault index within the subsystem.

Frequently asked questions about P0978

What does P0978 mean?

Shift Solenoid C Control Circuit Range/Performance. The control module judged the Shift Solenoid C Control signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.

Is P0978 generic or manufacturer-specific?

P0978 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0978 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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