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Home >> Lexus >> 2022 >> RC F Fuji Speedway Edition >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes (1 Of 2) >> Meter / Gauge System >> DTC B1508: Short in Turn Signal / Hazard Flasher Circuit [03/2019 - ] >> Description

DTC B1508: Short in Turn Signal / Hazard Flasher Circuit [03/2019 - ]: Description

This DTC is stored when the combination meter assembly detects a short in a turn signal light circuit.

HINT: 

If there is a short in a turn signal light circuit, all of the turn signal lights in that circuit will not blink.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note
B1508 Short in Turn Signal / Hazard Flasher Circuit Diagnosis Condition:
  1. Battery voltage is 7 V or more

Malfunction Status:
  1. Short in turn signal light circuit
  • Headlight ECU sub-assembly
  • Headlight unit assembly
  • Outer mirror control ECU assembly*
  • Outer mirror actuator assembly
  • Side turn signal light assembly
  • Air conditioning control assembly
  • Windshield wiper switch assembly
  • Rear combination light socket and wire sub-assembly
  • Rear turn signal light bulb
  • Harness or connector
  • Combination meter assembly
DTC stored -
  1. *: w/ Seat Position Memory System