OBD Guide
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B1327

Device Power Circuit Low

B1327 is an OBD-II diagnostic trouble code meaning: Device Power Circuit Low. Common causes: broken or damaged wiring harness, poor contact in connectors. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$22–111 (est.)

Symptoms

  • Check Engine Light Is On
  • Disabling Restraint Systems
  • Unstable operation of electronic systems

Causes

  • Broken or damaged wiring harness
  • Poor contact in connectors
  • Electronic device malfunction (airbag, pretensioner, etc.)
  • Fuse or relay problems
  • Short circuit in the circuit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check contacts in connectors
  3. Check fuses and relays
  4. Check the functionality of the electronic device
  5. Reset the error and check if it returns

Related codes

B1325B1326B1328B1330

FAQ

What does the B1327 code mean?

B1327 is an OBD-II diagnostic trouble code that indicates: Device Power Circuit Low

What causes a B1327 error code?

The most common causes of B1327 include: Broken or damaged wiring harness; Poor contact in connectors; Electronic device malfunction (airbag, pretensioner, etc.); Fuse or relay problems.

How do I fix a B1327 diagnostic trouble code?

To fix B1327: Check the integrity of the wiring harness. Check contacts in connectors. Check fuses and relays. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1327?

Do not drive — repair immediately

How much does it cost to fix B1327?

The estimated repair cost for B1327 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat