OBD Guide
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B165E

Park Lamp Control Circuit Open

B165E is an OBD-II diagnostic trouble code meaning: Park Lamp Control Circuit Open. Common causes: broken or damaged wiring harness, side light relay malfunction. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Side lights don't work
  • Flashing or uneven operation of side lights
  • Error message on the dashboard

Causes

  • Broken or damaged wiring harness
  • Side light relay malfunction
  • Problems with the control unit
  • Short circuit in the circuit
  • Oxidation of contacts

How to Fix

  1. Check the integrity of the wiring harness
  2. Check side light relay
  3. Check contacts and connectors
  4. Replace faulty components
  5. Reset the error with an OBD-II scanner

Related codes

B165FB1660B1661

FAQ

What does the B165E code mean?

B165E is an OBD-II diagnostic trouble code that indicates: Park Lamp Control Circuit Open

What causes a B165E error code?

The most common causes of B165E include: Broken or damaged wiring harness; Side light relay malfunction; Problems with the control unit; Short circuit in the circuit.

How do I fix a B165E diagnostic trouble code?

To fix B165E: Check the integrity of the wiring harness. Check side light relay. Check contacts and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B165E?

Limited driving only, diagnose soon

How much does it cost to fix B165E?

The estimated repair cost for B165E is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat