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TuningBot DTC Database · v4.37.15

U019C Lost Communication With Glow Plug Control Module 2

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

U · NetworkIgnitionOBD2

What U019C means

U019C
Lost Communication With Glow Plug Control Module 2 Generic · ignition Data confidence 65%

The control module stopped receiving expected network messages from the Glow Plug Control Module 2 node on the vehicle communication bus.

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 U019C

U

Network: communication between control units.

0

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

19C

Specific fault index within the subsystem.

Frequently asked questions about U019C

What does U019C mean?

Lost Communication With Glow Plug Control Module 2. The control module stopped receiving expected network messages from the Glow Plug Control Module 2 node on the vehicle communication bus.

Is U019C generic or manufacturer-specific?

U019C is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove U019C at file level?

Not guaranteed. Powertrain (P) codes can be reliably disabled in the ECU calibration, but body, chassis and network codes depend on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether U019C is removable in your case.

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