OBD Codes List

Diagnostic reference · P0276

P0276

Cylinder 6 Injector A Circuit Low

System
Injector circuits (P code)
Lamp
Check Engine Light
Category
Powertrain - Fuel/Air Metering

What it means

P0276 means Cylinder 6 Injector A Circuit Low.

Where it lives

For P0276, the injector sits on the circuit this code reports. The description of P0276 puts it on cylinder 6.

Check these first

  • A faulty cylinder 6 fuel injector
  • A short to ground in the injector 6 control wire
  • An open in the injector 6 circuit
  • Corrosion in the injector 6 connector or socket
  • A faulty injector driver module

What to do next

  1. Ohm test injector 6 and compare to the other injectors
  2. Backprobe the injector 6 control wire for a pulse with a noid light
  3. Inspect the injector 6 connector and socket for corrosion
  4. Check the injector driver module output
  5. Replace injector 6 if its coil is open or shorted
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.