Powertrain, generic · Hybrid propulsion

P0CCD Charge Port Door A Position Sensor Circuit Performance

Check engine lightUsually off
EmissionsNot relevant
Drive cycleNot required
Limp modeNo

P0CCD is set when the charge flap A position signal is electrically valid but does not fit what the flap should be doing, for example a state that disagrees with the last commanded movement. GM bulletin 25-NA-049 (March 2025) names the code for the Ultium models Cadillac Lyriq 2023 to 2025, Chevrolet Blazer EV and Equinox EV 2024 to 2025, and Cadillac Optiq and Escalade IQ 2025: drivers see a Service High Voltage message, the cause is attributed to software, and dealers are told to reflash the BECM (battery energy control module) through vehicle wide programming without replacing parts. Porsche describes a related hardware case for the Taycan, where a wrong end-position signal locked the opposite flap and new harnesses fixed it. Circuit faults proper are P0CCC, P0CCE and P0CCF.

Likely causes

Software anomaly in the battery control module (GM Ultium, bulletin 25-NA-049)
Position sensor giving a wrong end-position signal
Faulty harness between flap module and control unit
Flap not reaching its end position because of mechanical binding

Symptoms

  • Service High Voltage message (GM Ultium models)
  • Flap status shown wrongly; another flap may be locked

Repair estimate

DifficultyShop_onlyWorkshop job
Parts and labour€0–400
Time0.5–2.5 h

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

Parts involved

charge port door a position sensorwiring harnesshybrid control module

Related codes

P0CCCP0CCEP0CCFP0CD0P0CD2P2E99

References: static.nhtsa.gov, static.nhtsa.gov.