OBD Guide

C1660

Receiver Radio Frequency Circuit Failure

C1660 is an OBD-II diagnostic trouble code meaning: Receiver Radio Frequency Circuit Failure. Common causes: open or short circuit in wiring harness, rf receiver malfunction. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • The security system malfunction indicator is on
  • Incorrect operation of airbags
  • Problems with belt pretensioners

Causes

  • Open or short circuit in wiring harness
  • RF receiver malfunction
  • Interference from other electronic devices
  • Problems with the security module

How to Fix

  1. Check wiring harness for damage
  2. Check connections and contacts in the circuit
  3. Test the RF receiver
  4. Replace faulty components

Related codes

FAQ

What does the C1660 code mean?

C1660 is an OBD-II diagnostic trouble code that indicates: Receiver Radio Frequency Circuit Failure

What causes a C1660 error code?

The most common causes of C1660 include: Open or short circuit in wiring harness; RF receiver malfunction; Interference from other electronic devices; Problems with the security module.

How do I fix a C1660 diagnostic trouble code?

To fix C1660: Check wiring harness for damage. Check connections and contacts in the circuit. Test the RF receiver. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1660?

Do not drive — repair immediately

How much does it cost to fix C1660?

The estimated repair cost for C1660 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat