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TuningBot DTC Database · v4.37.15

P0487 Exhaust Gas Recirculation Throttle Position Control Circuit

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

P · PowertrainEmissionsOBD2

What P0487 means

P0487
Exhaust Gas Recirculation Throttle Position Control Circuit Generic · emissions Data confidence 90%

The control module detected improper operation of the Exhaust Gas Recirculation Throttle Position Control circuit.

Symptoms

  • MIL illuminated
  • Possible reduced engine performance
  • Possible rough idle or hesitation

Possible causes

  • Wiring
  • poor connection
  • ECM

Recommended checks

  • Read freeze frame data and full module scan
  • Check battery voltage and sensor supply
  • Inspect EGR wiring and connectors
  • Compare commanded vs actual EGR position/flow with live data
  • Inspect EGR valve and passages for carbon build-up
  • Check related vacuum lines where fitted

Related and nearby codes

How to read P0487

P

Powertrain: engine, transmission and driveline systems.

0

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

487

Specific fault index within the subsystem.

Frequently asked questions about P0487

What does P0487 mean?

Exhaust Gas Recirculation Throttle Position Control Circuit. The control module detected improper operation of the Exhaust Gas Recirculation Throttle Position Control circuit.

Is P0487 generic or manufacturer-specific?

P0487 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0487 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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