Engine-Codes - Toyota - P1557 Toyota

P1557 Toyota Code - DC/DC Converter Temperature Sensor Circuit

- Code Popularity: 2,998 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
ChatAC AutoCodes.com AI Chat

What are the Possible Causes of the DTC P1557 Toyota?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Reactor Temperature Sensor
  • Reactor Temperature Sensor harness is open or shorted
  • Reactor Temperature Sensor circuit poor electrical connection
⚠ Does your Toyota have Safety Recalls? → Check here

How to Fix the DTC P1557 Toyota?

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 pins.

Search for P1557 Toyota Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1557 Toyota code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the P1557 Toyota Code Mean?

DC/DC Converter Temperature Sensor Circuit is the generic description for the P1557 Toyota code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information abouth the P1557 Toyota OBDII code.

Still have questions? Please post your question on our Comments Section of the main page for more information.

P1557 Toyota Code - DC/DC Converter Temperature Sensor Circuit

Need more Information on the Code?

Need more information on how to fix the P1557 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1557 Toyota code diagnosed by a professional: Find a repair shop in your area