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Home >> Lexus >> 2024 >> NX 350 Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes (1 Of 2) >> Meter / Gauge System >> DTC B1500-13: Fuel Sender Circuit Open; DTC B1501-13: Sub Fuel Sender Circuit Open [11/2021 - ] >> Description

DTC B1500-13: Fuel Sender Circuit Open; DTC B1501-13: Sub Fuel Sender Circuit Open [11/2021 - ]: Description

for HEV Model 

  1. The fuel sender gauge assembly is connected to the combination meter assembly via direct line. If there is an open or short in the direct line, the combination meter assembly stores DTC B1500-13.

for Gasoline Model 

  1. The fuel sender gauge assembly and No. 2 fuel sender gauge assembly are connected to the combination meter assembly via direct line. If there is an open or short in the direct line, the combination meter assembly stores DTC B1500-13 or B1501-13.
DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
B1500-13 Fuel Sender Circuit Open Diagnosis Condition:
  • Ignition switch ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:

  • Voltage signal from fuel sender gauge assembly is 0.2 V or less
  • Voltage signal from fuel sender gauge assembly is 4.7 V or more

Malfunction Time:

  1. 10 seconds or more
  • Fuel suction tube with pump and gauge assembly
  • Fuel sender gauge assembly
  • Harness or connector
  • Combination meter assembly
Combination Meter A
B1501-13 Sub Fuel Sender Circuit Open Diagnosis Condition:
  • Ignition switch ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:

  • Voltage signal from No. 2 fuel sender gauge assembly is 0.2 V or less
  • Voltage signal from No. 2 fuel sender gauge assembly is 4.7 V or more

Malfunction Time:

  1. 10 seconds or more
  • Fuel tank vent tube assembly
  • No. 2 fuel sender gauge assembly
  • Harness or connector
  • Combination meter assembly
Combination Meter A