Engine-Codes - Toyota - B1503 Toyota

B1503 Toyota Code - Exhaust Heat Management Warning Detected

- Code Popularity: 10,175 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1503 Toyota?

  • 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 to Fix the B1503 Toyota Code?

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 Code B1503 Toyota?

Labor: 1.0

The cost to diagnose the B1503 Toyota 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.

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|What are Code B1503 Toyota Possible Symptoms?

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

|What Does the B1503 Toyota Code Mean?

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.

Exhaust Heat Management Warning Detected

|Need more Information on the B1503 Toyota Code?

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|Need Help with the B1503 Toyota Code?

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