B1503 LEXUS - Exhaust Heat Management Warning Detected
B1503 LEXUS 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 do I fix code B1503 LEXUS?Check 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.
Cost of diagnosing the B1503 LEXUS code
Labor: 1.0The cost of diagnosing the B1503 LEXUS code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
B1503 LEXUS DescriptionThis 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.
More InformationNeed more information on how to fix the B1503 LEXUS code?
Get Access to Factory Service Manuals
Need more help?Get the B1503 Lexus code diagnosed by a professional: Find a repair shop in your area
CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the B1503 Lexus code? Have you replaced any parts?
Any information is appreciated. Thanks