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TuningBot DTC Database · v4.37.15

P0373 Timing Reference High Resolution Signal A Intermittent/Erratic Pulses

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

P · PowertrainEngineOBD2

What P0373 means

P0373
Timing Reference High Resolution Signal A Intermittent/Erratic Pulses Generic · engine Data confidence 90%

The control module detected an unstable or intermittent signal in the Timing Reference High Resolution Signal A circuit.

Possible causes

  • Wiring
  • poor connection
  • CKP/RPMICMP sensor
  • ECM

Related and nearby codes

How to read P0373

P

Powertrain: engine, transmission and driveline systems.

0

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

373

Specific fault index within the subsystem.

Frequently asked questions about P0373

What does P0373 mean?

Timing Reference High Resolution Signal A Intermittent/Erratic Pulses. The control module detected an unstable or intermittent signal in the Timing Reference High Resolution Signal A circuit.

Is P0373 generic or manufacturer-specific?

P0373 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0373 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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