OBD Guide
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B210E

Starter Relay OFF

B210E is an OBD-II diagnostic trouble code meaning: Starter Relay OFF. Common causes: faulty starter relay, open or short circuit in wiring harness. Estimated repair cost: $22–89.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • Engine won't start
  • Starter relay does not click
  • Check Engine Light Flashing

Causes

  • Faulty starter relay
  • Open or short circuit in wiring harness
  • Poor contact in connectors
  • Problems with the ECU

How to Fix

  1. Check the condition of the starter relay (replace if necessary)
  2. Inspect the wiring harness for damage
  3. Check the contacts in the relay and ECU connectors
  4. Test the operation of the ECU (if a malfunction is suspected)

Related codes

B210FP0615P0616

FAQ

What does the B210E code mean?

B210E is an OBD-II diagnostic trouble code that indicates: Starter Relay OFF

What causes a B210E error code?

The most common causes of B210E include: Faulty starter relay; Open or short circuit in wiring harness; Poor contact in connectors; Problems with the ECU.

How do I fix a B210E diagnostic trouble code?

To fix B210E: Check the condition of the starter relay (replace if necessary). Inspect the wiring harness for damage. Check the contacts in the relay and ECU connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B210E?

Yes, but get it checked soon

How much does it cost to fix B210E?

The estimated repair cost for B210E is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat