Engine-Codes - Lexus - B1503 LEXUS

B1503 LEXUS Code - Exhaust Heat Management Warning Detected

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

|B1503 LEXUS code possible causes

  • Faulty Engine Coolant Temperature Sensor
  • Engine Coolant Temperature Sensor harness is open or shorted
  • Engine Coolant Temperature Sensor circuit poor electrical connection
  • Faulty Combination Meter Assembly

|How is the B1503 LEXUS code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the cost to diagnose the B1503 LEXUS code

Labor: 1.0

The cost to diagnose the B1503 LEXUS code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are B1503 LEXUS code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What is B1503 LEXUS code meaning?

This Diagnostic Trouble Code (DTC) is stored when the Combination Meter Assembly (meter circuit plate) detects a malfunction in the Engine Coolant Temperature Sensor that is connected to the Combination Meter Assembly (meter circuit plate) via a direct line.

|Need more information with the B1503 LEXUS code?

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|Need help with a B1503 LEXUS code?

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