OBD Guide

B2616

Ignition Relay Circuit

B2616 is an OBD-II diagnostic trouble code meaning: Ignition Relay Circuit. Common causes: faulty ignition relay, open or short circuit in the circuit. Estimated repair cost: $6–56.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Engine won't start
  • Problems starting the engine
  • The engine stalls while driving
  • Check Engine Light Is On

Causes

  • Faulty ignition relay
  • Open or short circuit in the circuit
  • Poor contact in connectors
  • Damaged wiring harness
  • ECU malfunction (rare)

How to Fix

  1. Check the condition of the ignition relay
  2. Check the relay circuit for open circuit and short circuit
  3. Inspect connectors and contacts for oxidation or damage
  4. Check wiring harness for damage
  5. If necessary, replace the relay or repair the circuit

Related codes

FAQ

What does the B2616 code mean?

B2616 is an OBD-II diagnostic trouble code that indicates: Ignition Relay Circuit

What causes a B2616 error code?

The most common causes of B2616 include: Faulty ignition relay; Open or short circuit in the circuit; Poor contact in connectors; Damaged wiring harness.

How do I fix a B2616 diagnostic trouble code?

To fix B2616: Check the condition of the ignition relay. Check the relay circuit for open circuit and short circuit. Inspect connectors and contacts for oxidation or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2616?

Yes, but get it checked soon

How much does it cost to fix B2616?

The estimated repair cost for B2616 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat