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Home >> Honda >> 2021 >> Insight EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Advanced Diagnostics (2 Of 2) >> Advanced Diagnostics >> DTC P271A >> Possible Cause
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Possible Cause

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Park pawl actuator driver unit RA/P-ACT RA line open
  • Park pawl actuator driver unit RB/P-ACT RB line open
  • Park pawl actuator driver unit VENC/P-ACT VENC line open
  • Park pawl actuator driver unit EENC/P-ACT EENC line open
  • Park pawl actuator driver unit RA/P-ACT RA line short to ground
  • Park pawl actuator driver unit RB/P-ACT RB line short to ground
  • Park pawl actuator driver unit VENC/P-ACT VENC line short to ground
  • Park pawl actuator driver unit EENC/P-ACT EENC line short to ground
  • Park pawl actuator driver unit RA/P-ACT RA line short to power
  • Park pawl actuator driver unit RB/P-ACT RB line short to power
  • Park pawl actuator driver unit EENC/P-ACT EENC line short to power
  • Park pawl actuator power supply line abnormal (include fuse blown)
  • Park pawl actuator driver unit GND line open
  • Park pawl actuator driver unit power supply line abnormal (include fuse blown)
  • 12 volt battery abnormal
  • Park pawl actuator driver unit internal circuit failure