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TuningBot DTC Database · v4.37.15

P064C Glow Plug Control Module

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

P · PowertrainIgnitionOBD2

What P064C means

P064C
Glow Plug Control Module Generic · ignition Data confidence 78%

The control module detected a fault associated with the Glow Plug Control Module circuit or function; the stored code identifies the affected component rather than a single failure mode.

Symptoms

  • Hard cold starting possible
  • MIL or glow indicator active
  • Possible white smoke at cold start

Possible causes

  • One or more glow plugs open circuit
  • Glow plug control module fault
  • Wiring or connector fault

Recommended checks

  • Measure individual glow plug resistance
  • Check control module output and supply
  • Inspect wiring and connectors

Related and nearby codes

How to read P064C

P

Powertrain: engine, transmission and driveline systems.

0

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

64C

Specific fault index within the subsystem.

Frequently asked questions about P064C

What does P064C mean?

Glow Plug Control Module. The control module detected a fault associated with the Glow Plug Control Module circuit or function; the stored code identifies the affected component rather than a single failure mode.

Is P064C generic or manufacturer-specific?

P064C is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P064C 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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