Powertrain, generic · Hybrid propulsion

P0D8C Battery Charger Coupler Status Indicator Control Circuit C/Open

Check engine lightUsually off
EmissionsNot relevant
Drive cycleNot required
Limp modeNo

P0D8C points to an open third channel, C, of the charge port status indicator. Only systems with at least three separately driven lighting outputs use it, for instance one per colour in an RGB-type port lamp of the kind a supplier patent describes, or individual ring segments. No manufacturer documents the code publicly. A common trigger is work at the inlet: after body repair, a flap or inlet replacement or paint work, the lamp connector may be left unplugged or a pin pushed back in its housing. On integrated inlets, where the LEDs sit inside the socket assembly, a failed LED can mean replacing the whole inlet. If A and B report open at the same time, look at the common connector first. The port loses one colour or segment; charging continues unaffected.

Likely causes

Lamp connector left unplugged or pin pushed back after work at the inlet
Failed LED of channel C (on integrated inlets the whole inlet assembly)
Broken channel C wire

Symptoms

  • One colour or segment of the port lighting missing
  • Fault appears after body or inlet repair

Repair estimate

DifficultyMediumWorkshop job
Parts and labour€30–700
Time0.5–2.5 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

battery charger coupler status indicator cwiring harnesson board charger

Related codes

References: patents.google.com, law.cornell.edu, gsi.ext.gm.com.