OBD Guide
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B165D

Left Park Lamp Control Circuit High

B165D is an OBD-II diagnostic trouble code meaning: Left Park Lamp Control Circuit High. Common causes: short circuit in the circuit, control unit malfunction. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$6–56 (est.)

Symptoms

  • Side lamp does not work
  • The lamp is constantly on without turning off
  • Dashboard warning

Causes

  • Short circuit in the circuit
  • Control unit malfunction
  • Wiring harness damage
  • Oxidation of contacts

How to Fix

  1. 1. Check the fuse and side light relay
  2. 2. Inspect the wiring harness for damage
  3. 3. Check the lamp and socket
  4. 4. Test the control unit

Related codes

B165CB165EB1660

FAQ

What does the B165D code mean?

B165D is an OBD-II diagnostic trouble code that indicates: Left Park Lamp Control Circuit High

What causes a B165D error code?

The most common causes of B165D include: Short circuit in the circuit; Control unit malfunction; Wiring harness damage; Oxidation of contacts.

How do I fix a B165D diagnostic trouble code?

To fix B165D: 1. Check the fuse and side light relay. 2. Inspect the wiring harness for damage. 3. Check the lamp and socket. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B165D?

Do not drive — repair immediately

How much does it cost to fix B165D?

The estimated repair cost for B165D is $6–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat