OBD Guide

C2145

Transmitter ID 5 Error

C2145 is an OBD-II diagnostic trouble code meaning: Transmitter ID 5 Error. Common causes: open or short circuit in the id 5 transmitter circuit, poor contact in connectors. Estimated repair cost: $56–167.

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

Symptoms

  • Airbag light is on
  • The passive safety system does not activate
  • The error is stored in the ECU memory

Causes

  • Open or short circuit in the ID 5 transmitter circuit
  • Poor contact in connectors
  • Transmitter ID 5 fault
  • Wiring harness damage
  • Problems with the security control module

How to Fix

  1. Check the continuity of the ID 5 transmitter circuit
  2. Inspect connectors for corrosion or damage
  3. Check the transmitter itself for faults
  4. Replace transmitter or wiring harness if necessary
  5. Reset the error and check the system

Related codes

FAQ

What does the C2145 code mean?

C2145 is an OBD-II diagnostic trouble code that indicates: Transmitter ID 5 Error

What causes a C2145 error code?

The most common causes of C2145 include: Open or short circuit in the ID 5 transmitter circuit; Poor contact in connectors; Transmitter ID 5 fault; Wiring harness damage.

How do I fix a C2145 diagnostic trouble code?

To fix C2145: Check the continuity of the ID 5 transmitter circuit. Inspect connectors for corrosion or damage. Check the transmitter itself for faults. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C2145?

Do not drive — repair immediately

How much does it cost to fix C2145?

The estimated repair cost for C2145 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat