OBD Guide
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B1671

Battery Module Voltage Out Of Range

B1671 is an OBD-II diagnostic trouble code meaning: Battery Module Voltage Out Of Range. Common causes: battery fault, problems in the charging circuit. Estimated repair cost: $56–167.

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

Symptoms

  • Check Engine light comes on
  • Reduced efficiency of the vehicle's electrical system
  • Problems starting the engine

Causes

  • Battery fault
  • Problems in the charging circuit
  • Electronic control module malfunction
  • Poor contact in connectors
  • Short circuit in wiring harness

How to Fix

  1. Check battery voltage with a multimeter
  2. Inspect connectors and wiring harness for damage
  3. Check charging circuit and alternator
  4. Scan the system for other errors
  5. Replace the battery or control module if necessary

Related codes

B1670B1672P0562P0563

FAQ

What does the B1671 code mean?

B1671 is an OBD-II diagnostic trouble code that indicates: Battery Module Voltage Out Of Range

What causes a B1671 error code?

The most common causes of B1671 include: Battery fault; Problems in the charging circuit; Electronic control module malfunction; Poor contact in connectors.

How do I fix a B1671 diagnostic trouble code?

To fix B1671: Check battery voltage with a multimeter. Inspect connectors and wiring harness for damage. Check charging circuit and alternator. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1671?

Limited driving only, diagnose soon

How much does it cost to fix B1671?

The estimated repair cost for B1671 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat