AutoCodes.com | All About OBDII Engine Codes
AutoCodes - Generic - P1666

P1666 Code - Cruise Control Module Internal

- Code Popularity: 10,863 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 P1666?

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 Cruise Control Module
  • Cruise Control Module harness is open or shorted
  • Cruise Control Moduler circuit poor electrical connection
⚠ Does your Car have Safety Recalls? → Check here

How to Fix the DTC P1666?

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 P1666 Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1666 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?

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

Code P1666 Description

This diagnosis runs continuously when the engine is running. The Module regularly performs internal controller diagnostic tests, and Diagnostic Trouble Code (DTC) will be set when an internal hardware failure has been detected.

OBDII Code P1666 - Cruise Control Module Internal - AutoCodes.com
P1666 Code - Cruise Control Module Internal

Need More Information on the Code?

Need more information on how to fix the P1666 code? Get Access to Factory Service Manuals

Information for Specific Makes

Need Help with the Code?

Get the P1666 code diagnosed by a professional: Find a repair shop in your area

Code P1666 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 P1666 code? Have you replaced any parts?
Any information is appreciated. Thanks