OBD-II code · Powertrain (generic, extended)

P217A Fuel Injector Group G Supply Voltage Circuit/Open

The supply rail to injector group G is open, so none of the injectors in this group can fire. The affected cylinders produce no power and the engine runs rough or on reduced cylinders. Causes: a broken supply wire, an open relay or fuse, or a disconnected group-G supply connector.

Is it safe to drive with P217A?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyOpen supply wire or blown fuse
  • Less likelyPin pushed back out of connector body
  • Less likelyCracked solder joint inside the module or sensor

Symptoms

  • Check engine light on
  • Misfire or rough idle on the affected cylinder
  • Increased fuel consumption
  • Possible fuel smell or smoke from exhaust

Repair at a glance

Difficulty
Medium
DIY friendly
Often, with basic tools
Typical labour
0.5–2 h
Emissions test
Likely to fail
Parts involved
Fuel Injector Group G

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.