OBD Guide
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B1867

Battery Power Supply ECU Circuit Short To Ground

B1867 is an OBD-II diagnostic trouble code meaning: Battery Power Supply ECU Circuit Short To Ground. Common causes: wiring harness damage, contact corrosion. Estimated repair cost: $56–222.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Unstable engine operation
  • Problems starting the engine
  • Malfunctions of the car's electronic systems
  • Check Engine Light Illuminates

Causes

  • Wiring harness damage
  • Contact corrosion
  • ECU malfunction
  • Short circuit in power supply

How to Fix

  1. Check the integrity of the wiring harness
  2. Inspect contacts and connectors for corrosion
  3. Measure the resistance of the ECU power supply circuit
  4. If necessary, replace damaged wires or ECU

Related codes

B1868B1869P0562

FAQ

What does the B1867 code mean?

B1867 is an OBD-II diagnostic trouble code that indicates: Battery Power Supply ECU Circuit Short To Ground

What causes a B1867 error code?

The most common causes of B1867 include: Wiring harness damage; Contact corrosion; ECU malfunction; Short circuit in power supply.

How do I fix a B1867 diagnostic trouble code?

To fix B1867: Check the integrity of the wiring harness. Inspect contacts and connectors for corrosion. Measure the resistance of the ECU power supply circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1867?

Limited driving only, diagnose soon

How much does it cost to fix B1867?

The estimated repair cost for B1867 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat