OBD Guide

C2143

Transmitter ID 3 Error

C2143 is an OBD-II diagnostic trouble code meaning: Transmitter ID 3 Error. Common causes: wiring harness damage, transmitter id 3 fault. Estimated repair cost: $56–167.

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

Symptoms

  • The passive safety system fault indicator is on
  • Lack of response from the safety system in the event of an accident
  • System diagnostic error

Causes

  • Wiring harness damage
  • Transmitter ID 3 fault
  • Problems with the restraint control module
  • Short circuit or open circuit

How to Fix

  1. Conduct diagnostics of the passive safety system
  2. Check the integrity of the wiring harness
  3. Replace ID 3 transmitter if necessary
  4. Check and replace the control module if necessary

Related codes

FAQ

What does the C2143 code mean?

C2143 is an OBD-II diagnostic trouble code that indicates: Transmitter ID 3 Error

What causes a C2143 error code?

The most common causes of C2143 include: Wiring harness damage; Transmitter ID 3 fault; Problems with the restraint control module; Short circuit or open circuit.

How do I fix a C2143 diagnostic trouble code?

To fix C2143: Conduct diagnostics of the passive safety system. Check the integrity of the wiring harness. Replace ID 3 transmitter if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C2143?

Do not drive — repair immediately

How much does it cost to fix C2143?

The estimated repair cost for C2143 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat