OBD Guide

B3055

No Transponder Modulation or No Transponder

B3055 is an OBD-II diagnostic trouble code meaning: No Transponder Modulation or No Transponder. Common causes: faulty transponder in the key, damaged immobilizer antenna. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Engine won't start
  • The immobilizer indicator is flashing
  • The car does not respond to the key

Causes

  • Faulty transponder in the key
  • Damaged immobilizer antenna
  • Open or shorted wiring harness
  • Malfunction of the immobilizer control unit

How to Fix

  1. Check the ignition key for damage
  2. Diagnose the immobilizer antenna
  3. Check the integrity of the wiring harness
  4. Scan the immobilizer control unit for errors

Related codes

Error B3055 by Vehicle Brand

FAQ

What does the B3055 code mean?

B3055 is an OBD-II diagnostic trouble code that indicates: No Transponder Modulation or No Transponder

What causes a B3055 error code?

The most common causes of B3055 include: Faulty transponder in the key; Damaged immobilizer antenna; Open or shorted wiring harness; Malfunction of the immobilizer control unit.

How do I fix a B3055 diagnostic trouble code?

To fix B3055: Check the ignition key for damage. Diagnose the immobilizer antenna. Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3055?

Yes, but get it checked soon

How much does it cost to fix B3055?

The estimated repair cost for B3055 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat