AutoCodes.com | All About OBDII Engine Codes
AutoCodes - Generic - C1780

C1780 Code - Temperature Select Switch Failure

- Code Popularity: 3,855 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
Share on Facebook   Share on Twitter   Share on Linkedin

What are the Possible Causes of the DTC C1780?

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 Temperature Select Switch
  • Temperature Select Switch harness is open or shorted
  • Temperature Select Switch circuit poor electrical connection
⚠ Does your Car have Safety Recalls? → Check here

How to Fix the DTC C1780?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Search for C1780 Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1780 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

Code C1780 Description

The Engine Control Module (ECM) monitors the Temperature Select Switch. The ECM sets the OBDII code when the Temperature Select Switch is not to factory specifications.

OBDII Code C1780 - Temperature Select Switch Failure - AutoCodes.com
C1780 Code - Temperature Select Switch Failure

Need More Information on the Code?

Need more information on how to fix the C1780 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1780 code diagnosed by a professional: Find a repair shop in your area

Code C1780 comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the C1780 code? Have you replaced any parts?
Any information is appreciated. Thanks