As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PSEU LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED PSEU BITE FOUND FAULT CODE 31-52002. IAW FIM 32-09 TASK 815, FOUND NO GROUND AT PIN 42. CYCLED AIRCRAFT POWER, PERFORMED PSEU BITE, ALL MAINTENANCE MESSAGE CLEARED AND PSEU LIGHT IS OUT.