P1666 Chrysler Code - Cruise Control Module Internal
Quick Answer
This diagnosis runs continuously when the engine is running. Common causes include Faulty Cruise Control Module, Cruise Control Module harness is open or shorted, Cruise Control Moduler circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1666 Chrysler indicates Cruise Control Module Internal.
- Common causes
- Common causes include Faulty Cruise Control Module, Cruise Control Module harness is open or shorted, Cruise Control Moduler circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1666 Chrysler Description
What are the Possible Causes of the DTC P1666 Chrysler?
- Faulty Cruise Control Module
- Cruise Control Module harness is open or shorted
- Cruise Control Moduler circuit poor electrical connection
How to Fix the DTC P1666 Chrysler?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1666 Chrysler code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P1666 Chrysler code?
Need more information on how to fix the P1666 Chrysler code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1666 Chrysler code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1666 Chrysler Code
1. What does the OBDII code P1666 mean on a Chrysler vehicle?
P1666 indicates an issue with the Cruise Control Module, specifically an internal fault within the module.
2. What are the common symptoms of code P1666 in a Chrysler?
Symptoms may include the cruise control not functioning, the cruise control light not illuminating, or the Check Engine Light turning on.
3. What causes the P1666 code to appear?
Common causes include a malfunctioning cruise control module, damaged wiring or connectors, or a software issue within the module.
4. Can I still drive my Chrysler with a P1666 code?
Yes, your vehicle is still drivable, but cruise control functionality may be disabled, and the Check Engine Light may remain on.
5. How do I diagnose the P1666 code in my Chrysler?
Start by inspecting the cruise control module and its wiring for damage, checking for loose connections, and using a scan tool to confirm the fault.
6. Is the Cruise Control Module the only possible cause of code P1666?
No, while the module is the most likely cause, issues such as corroded connectors, damaged wiring, or a blown fuse can also trigger the code.
7. How is the P1666 code typically repaired?
Repairs may involve replacing the cruise control module, repairing damaged wiring, cleaning corroded connectors, or updating the module’s software.
8. How much does it cost to fix a P1666 code on a Chrysler?
The cost varies, but replacing the cruise control module can range from $200 to $600, depending on parts and labor.
9. Can clearing the P1666 code with a scan tool fix the issue?
Clearing the code may temporarily turn off the warning light, but if the problem persists, the code will likely return.
10. Do I need a professional mechanic to fix the P1666 code?
While basic inspections can be done at home, diagnosing and repairing internal module faults or wiring issues may require professional expertise.
Discuss the causes and fixes for P1666 Chrysler OBDII Code
Code P1666 Chrysler comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
