OBD Guide
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U1416

Implausible Security Siren Signal Received

U1416 is an OBD-II diagnostic trouble code meaning: Implausible Security Siren Signal Received. Common causes: security siren malfunction, damage to the wiring to the siren. Estimated repair cost: $33–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$33–167 (est.)

Symptoms

  • The security light on the dashboard is on
  • Problems with arming/disarming
  • False alarms
  • The car won't start
  • The security system is not working correctly

Causes

  • Security siren malfunction
  • Damage to the wiring to the siren
  • Problems with the security module
  • Dead siren battery
  • Software error in the security system

How to Fix

  1. Check the condition of the siren battery
  2. Diagnose the wiring to the siren
  3. Check the functionality of the siren
  4. Update your security software
  5. Repair only from an authorized dealer

Related codes

U1415U1417B3001

FAQ

What does the U1416 code mean?

U1416 is an OBD-II diagnostic trouble code that indicates: Implausible Security Siren Signal Received

What causes a U1416 error code?

The most common causes of U1416 include: Security siren malfunction; Damage to the wiring to the siren; Problems with the security module; Dead siren battery.

How do I fix a U1416 diagnostic trouble code?

To fix U1416: Check the condition of the siren battery. Diagnose the wiring to the siren. Check the functionality of the siren. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1416?

Do not drive — repair immediately

How much does it cost to fix U1416?

The estimated repair cost for U1416 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat