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Engine-Codes – Generic – C1660

C1660 Code - Receiver Radio Frequency Circuit Failure

Quick Answer

The diagnostic trouble code (DTC) C1660 indicates a Receiver Radio Frequency Circuit Failure in the vehicle. Common causes include Damaged wiring or connectors in the receiver radio frequency circuit, Faulty receiver module or antenna, Electronic interference from other devices or sources. 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
C1660 indicates Receiver Radio Frequency Circuit Failure.
Common causes
Common causes include Damaged wiring or connectors in the receiver radio frequency circuit, Faulty receiver module or antenna, Electronic interference from other devices or sources.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code C1660 Description

The diagnostic trouble code (DTC) C1660 indicates a Receiver Radio Frequency Circuit Failure in the vehicle. This code is typically associated with issues related to the radio frequency receiver circuit, which is responsible for receiving signals from key fobs, tire pressure monitoring sensors, and other wireless devices in the vehicle. When this circuit fails, it can lead to various problems with the vehicle's systems that rely on wireless communication.

OBDII Code C1660 - Receiver Radio Frequency Circuit Failure
C1660 Code - Receiver Radio Frequency Circuit Failure

Common Causes of C1660

  1. Damaged wiring or connectors in the receiver radio frequency circuit
  2. Faulty receiver module or antenna
  3. Electronic interference from other devices or sources
  4. Water or moisture damage to the circuit components

Symptoms of C1660

  1. Inability to unlock or start the vehicle using the key fob
  2. Erratic behavior of the keyless entry system
  3. Incorrect tire pressure readings
  4. Loss of communication with other wireless devices in the vehicle

How to Fix C1660

  1. Diagnose the issue by using a scan tool to retrieve the DTC and perform a visual inspection of the receiver radio frequency circuit components.
  2. Check for damaged wiring, connectors, or corrosion in the circuit and repair or replace as necessary.
  3. Test the receiver module and antenna for proper functionality and replace if defective.
  4. Clear the DTC from the vehicle's computer system and perform a test to ensure the issue has been resolved.

Cost to Fix C1660

The typical repair costs for addressing a Receiver Radio Frequency Circuit Failure can range from $200 to $500, depending on the specific components that need to be replaced and the labor involved. It's important to note that the actual cost may vary based on factors such as the vehicle make and model, the severity of the issue, and the location of the repair shop. Additionally, diagnostic time and labor rates can fluctuate, so it's advisable to inquire with local auto repair shops for a more accurate estimate.

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Code C1660 Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1660 Code

1. What are the common symptoms of OBDII code C1660?

The common symptoms of OBDII code C1660, Receiver Radio Frequency Circuit Failure, may include issues with the vehicle's keyless entry system, remote start functionality, and tire pressure monitoring system.

2. What are the possible causes of OBDII code C1660?

Possible causes of OBDII code C1660 include a malfunctioning receiver module, damaged wiring or connectors in the radio frequency circuit, or interference from other electronic devices.

3. How can I diagnose the source of OBDII code C1660?

Diagnosing OBDII code C1660 involves using a scan tool to retrieve the code and then inspecting the receiver module, checking for damaged wiring or connectors, and ensuring there is no electromagnetic interference in the area.

4. Can I still drive my vehicle with OBDII code C1660?

While it may be safe to drive your vehicle with OBDII code C1660, it is recommended to address the issue promptly to prevent any inconvenience related to keyless entry system, remote start, or tire pressure monitoring functionality.

5. How can I repair OBDII code C1660?

Repairing OBDII code C1660 may involve replacing the receiver module, repairing any damaged wiring or connectors in the radio frequency circuit, or addressing any electromagnetic interference sources near the vehicle.

6. Is OBDII code C1660 a serious issue?

OBDII code C1660 is not typically a serious issue that affects the drivability or safety of the vehicle, but it can impact the convenience features like keyless entry and remote start.

7. Can a DIY enthusiast fix OBDII code C1660?

Depending on their skill level and access to tools, a DIY enthusiast may be able to diagnose and repair OBDII code C1660 by following repair guides or seeking assistance from automotive forums.

8. Will resetting the OBDII code C1660 make it go away permanently?

Resetting the OBDII code C1660 may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to return. It is important to diagnose and repair the root cause of the code.

9. How much does it cost to repair OBDII code C1660 at a mechanic?

The cost of repairing OBDII code C1660 at a mechanic can vary depending on the specific issue, labor rates, and the cost of any parts that need to be replaced. It is recommended to obtain a few quotes from different mechanics.

10. Can extreme weather conditions cause OBDII code C1660 to trigger?

Extreme weather conditions, such as high humidity or temperature fluctuations, can potentially impact the radio frequency circuit and trigger OBDII code C1660. Ensuring proper insulation and protection for the circuit can help prevent such issues.

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