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DTC B1507-18: Turn Signal Light Circuit Current Below Threshold [03/2019 - 09/2022]: Description

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This DTC is stored when the combination meter assembly detects an open in a front turn signal light circuit or rear turn signal light circuit.

HINT: 

DTC No. Detection Item DTC Detection Condition Trouble Area
B1507-18 Turn Signal Light Circuit Current Below Threshold Diagnosis Condition:
  1. Battery voltage is 10 V or more

Malfunction Status:

  • Open in front turn signal light circuit
  • Open in rear turn signal light circuit
  • Harness or connector
  • Combination meter assembly

for TMC Made 

  • Headlight ECU sub-assembly*1
  • Headlight unit assembly*2
  • Front turn signal light socket*3
  • Front turn signal light bulb*3
  • Rear combination light cord
  • Rear combination light LED LH*4
  • Rear combination light LED RH*4
  • Rear turn signal light bulb*5

for TMMMS Made 

  • Headlight assembly*2
  • Front turn signal light socket*3
  • Front turn signal light bulb*3
  • Rear combination light cord
  • Rear turn signal light bulb
  1. *1: w/ AFS
  2. *2: for LED Type Front Turn Signal Light
  3. *3: for Bulb Type Front Turn Signal Light
  4. *4: for LED Type Rear Turn Signal Light
  5. *5: for Bulb Type Rear Turn Signal Light