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TuningBot DTC Database · v4.37.14

P216B Fuel injector group E, supply voltage - circuit low

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

P · PowertrainFuelOBD2

What P216B means

P216B
Fuel injector group E, supply voltage - circuit low Generic · fuel Data confidence 78%

The control module detected that the signal in the Fuel injector group E, supply voltage circuit stayed below the expected operating range.

Symptoms

  • MIL illuminated
  • Possible rough running or misfire
  • Possible increased fuel consumption

Possible causes

  • Wiring
  • engine control (EC) relay
  • injectors
  • ECM

Recommended checks

  • Read fuel trim / mixture adaptation values
  • Check injector circuits and compare cylinder balance
  • Check fuel pressure
  • Inspect for intake or exhaust leaks

Related and nearby codes

How to read P216B

P

Powertrain: engine, transmission and driveline systems.

2

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

16B

Specific fault index within the subsystem.

Frequently asked questions about P216B

What does P216B mean?

Fuel injector group E, supply voltage - circuit low. The control module detected that the signal in the Fuel injector group E, supply voltage circuit stayed below the expected operating range.

Is P216B generic or manufacturer-specific?

P216B is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P216B 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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