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Home >> Lexus >> 2017 >> RC 350 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes & Symptom Tests (1 Of 2) >> Meter / Gauge System >> DTC B1508: Short in Turn Signal / Hazard Flasher Circuit [10/2018 - ] >> Description

DTC B1508: Short in Turn Signal / Hazard Flasher Circuit [10/2018 - ]: Description

This DTC is stored when the combination meter assembly detects an 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 on the side with the short 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
  • Headlight clearance LED unit
  • Outer mirror control ECU assembly*
  • Outer rear view mirror assembly
  • Side turn signal light assembly
  • Hazard warning signal switch (Air conditioning control assembly)
  • Windshield wiper switch assembly
  • Rear combination light assembly
  • Rear Combination light cord
  • Harness or connector
  • Combination meter assembly
DTC stored -
  1. *: w/ Seat Position Memory System