OBD Guide
ENFRDEESPT

B2622

Inside Key Antenna 2 Circuit

B2622 is an OBD-II diagnostic trouble code meaning: Inside Key Antenna 2 Circuit. Common causes: open or short circuit in the antenna circuit, damaged internal key antenna. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Problems with starting the engine with a button
  • The system does not recognize the key in the passenger compartment
  • Immobilizer indicator flashing

Causes

  • Open or short circuit in the antenna circuit
  • Damaged internal key antenna
  • Faulty access control module
  • Wiring Harness Problems
  • Key battery low

How to Fix

  1. Check the battery in the key
  2. Visually inspect the antenna wiring harness
  3. Check antenna resistance (usually 1-10 ohms)
  4. Scan for additional errors in the access system
  5. Check contacts and connections of the access module

Related codes

B2621B2623P0513

FAQ

What does the B2622 code mean?

B2622 is an OBD-II diagnostic trouble code that indicates: Inside Key Antenna 2 Circuit

What causes a B2622 error code?

The most common causes of B2622 include: Open or short circuit in the antenna circuit; Damaged internal key antenna; Faulty access control module; Wiring Harness Problems.

How do I fix a B2622 diagnostic trouble code?

To fix B2622: Check the battery in the key. Visually inspect the antenna wiring harness. Check antenna resistance (usually 1-10 ohms). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2622?

Limited driving only, diagnose soon

How much does it cost to fix B2622?

The estimated repair cost for B2622 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat