OBD Guide
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B1386

Oil Level Lamp Circuit Short To Ground

B1386 is an OBD-II diagnostic trouble code meaning: Oil Level Lamp Circuit Short To Ground. Common causes: wiring harness damage, oil level sensor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Constantly lit oil level lamp
  • Oil level lamp does not turn on
  • False low oil warnings

Causes

  • Wiring harness damage
  • Oil level sensor malfunction
  • Short circuit in the circuit
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the oil level sensor for malfunctions
  3. Check circuit for short circuit
  4. If necessary, replace the sensor or wiring harness
  5. Check and, if necessary, reflash or replace the ECU

Related codes

B1385B1387P0520

FAQ

What does the B1386 code mean?

B1386 is an OBD-II diagnostic trouble code that indicates: Oil Level Lamp Circuit Short To Ground

What causes a B1386 error code?

The most common causes of B1386 include: Wiring harness damage; Oil level sensor malfunction; Short circuit in the circuit; Problems with the engine control unit (ECU).

How do I fix a B1386 diagnostic trouble code?

To fix B1386: Check the integrity of the wiring harness. Check the oil level sensor for malfunctions. Check circuit for short circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1386?

Limited driving only, diagnose soon

How much does it cost to fix B1386?

The estimated repair cost for B1386 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat