OBD-II FAULT CODE
B2251

Parklamp Output Relay Driver Circuit Failure

Meaning, symptoms, likely causes, diagnostic checks and repair guidance for B2251.

BodySystem
LightingCategory
MediumSeverity
  • Body/accessory warning lamp or feature not working
  • Blown bulb/LED module
  • Poor ground
  • Fuse/relay fault
  • Switch/module/wiring issue
  • Check related fuses, connectors, grounds and switch/module power supply
  • Check bulb/module, fuse, ground and connector corrosion
  • Replace failed bulb/module, repair ground/wiring, replace switch/relay if confirmed
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Disclaimer: Information is provided for general guidance only and may not apply to all vehicles. Always consult a qualified technician.