OBD Guide
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B2665

Park Lamp Switch Circuit High

B2665 is an OBD-II diagnostic trouble code meaning: Park Lamp Switch Circuit High. Common causes: short circuit to positive in the circuit, side light switch malfunction. Estimated repair cost: $22–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • Side lights do not turn on
  • Side lights stay on constantly
  • Flashing side lights
  • Check Engine light comes on

Causes

  • Short circuit to positive in the circuit
  • Side light switch malfunction
  • Wiring harness damage
  • Contact corrosion
  • Problems with the control unit

How to Fix

  1. Check the condition of the side light fuse
  2. Inspect the side light switch for damage.
  3. Check wiring harness for damage or short circuit
  4. Check contacts for corrosion
  5. Test the operation of the circuit using a multimeter
  6. If necessary, replace the switch or repair the wiring harness

Related codes

B2664B2666B2667

FAQ

What does the B2665 code mean?

B2665 is an OBD-II diagnostic trouble code that indicates: Park Lamp Switch Circuit High

What causes a B2665 error code?

The most common causes of B2665 include: Short circuit to positive in the circuit; Side light switch malfunction; Wiring harness damage; Contact corrosion.

How do I fix a B2665 diagnostic trouble code?

To fix B2665: Check the condition of the side light fuse. Inspect the side light switch for damage.. Check wiring harness for damage or short circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2665?

Limited driving only, diagnose soon

How much does it cost to fix B2665?

The estimated repair cost for B2665 is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat