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TuningBot DTC Database · v4.37.15

P0379 Timing Reference High Resolution Signal B No Pulses

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

P · PowertrainEngineOBD2

What P0379 means

P0379
Timing Reference High Resolution Signal B No Pulses Generic · engine Data confidence 90%

The control module detected a fault associated with the Timing Reference High Resolution Signal B No Pulses circuit or function; the stored code identifies the affected component rather than a single failure mode.

Possible causes

  • Wiring
  • CKP/RPM/CMP sensor
  • ECM

Related and nearby codes

How to read P0379

P

Powertrain: engine, transmission and driveline systems.

0

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

379

Specific fault index within the subsystem.

Frequently asked questions about P0379

What does P0379 mean?

Timing Reference High Resolution Signal B No Pulses. The control module detected a fault associated with the Timing Reference High Resolution Signal B No Pulses circuit or function; the stored code identifies the affected component rather than a single failure mode.

Is P0379 generic or manufacturer-specific?

P0379 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0379 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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