OBD Guide
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B1314

Battery Saver Relay Coil Circuit Open

B1314 is an OBD-II diagnostic trouble code meaning: Battery Saver Relay Coil Circuit Open. Common causes: broken wiring harness, oxidation of relay contacts. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Low battery
  • Some energy consumers do not work
  • Fault indicator is on

Causes

  • Broken wiring harness
  • Oxidation of relay contacts
  • Battery saver relay malfunction
  • Problems with the control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Clean relay contacts
  3. Replace battery saving relay
  4. Check the control unit for errors

Related codes

B1315B1316

FAQ

What does the B1314 code mean?

B1314 is an OBD-II diagnostic trouble code that indicates: Battery Saver Relay Coil Circuit Open

What causes a B1314 error code?

The most common causes of B1314 include: Broken wiring harness; Oxidation of relay contacts; Battery saver relay malfunction; Problems with the control unit.

How do I fix a B1314 diagnostic trouble code?

To fix B1314: Check the integrity of the wiring harness. Clean relay contacts. Replace battery saving relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1314?

Limited driving only, diagnose soon

How much does it cost to fix B1314?

The estimated repair cost for B1314 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat