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TuningBot DTC Database · v4.37.14

P06C5 Cylinder 1 Glow Plug Incorrect

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

P · PowertrainIgnitionOBD2

What P06C5 means

P06C5
Cylinder 1 Glow Plug Incorrect Generic · ignition Data confidence 85%

The control module detected that the Cylinder 1 Glow Plug state or value did not match what was expected.

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 P06C5

P

Powertrain: engine, transmission and driveline systems.

0

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

6C5

Specific fault index within the subsystem.

Frequently asked questions about P06C5

What does P06C5 mean?

Cylinder 1 Glow Plug Incorrect. The control module detected that the Cylinder 1 Glow Plug state or value did not match what was expected.

Is P06C5 generic or manufacturer-specific?

P06C5 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P06C5 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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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