OBD Guide
ENFRDEESPT

B2614

ACC Relay Circuit

B2614 is an OBD-II diagnostic trouble code meaning: ACC Relay Circuit. Common causes: open or short circuit in wiring harness, faulty acc relay. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Air conditioner doesn't work
  • Heater fan does not turn on
  • The climate control system fault indicator is on

Causes

  • Open or short circuit in wiring harness
  • Faulty ACC relay
  • Poor contact in connectors
  • Malfunction of the climate control control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check ACC relay status
  3. Clean connector contacts
  4. Check the voltage at the relay control terminal
  5. If necessary, replace the relay or control unit

Related codes

B2615B2613U0121

FAQ

What does the B2614 code mean?

B2614 is an OBD-II diagnostic trouble code that indicates: ACC Relay Circuit

What causes a B2614 error code?

The most common causes of B2614 include: Open or short circuit in wiring harness; Faulty ACC relay; Poor contact in connectors; Malfunction of the climate control control unit.

How do I fix a B2614 diagnostic trouble code?

To fix B2614: Check the integrity of the wiring harness. Check ACC relay status. Clean connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2614?

Limited driving only, diagnose soon

How much does it cost to fix B2614?

The estimated repair cost for B2614 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat