OBD Guide
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B1607

Illuminated Entry Input Circuit Failure

B1607 is an OBD-II diagnostic trouble code meaning: Illuminated Entry Input Circuit Failure. Common causes: open or short circuit in wiring harness, door sensor malfunction. Estimated repair cost: $22–111.

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

Symptoms

  • Interior lighting does not work when doors are opened
  • External lighting does not work (for example, running boards)
  • Blinking or unstable backlight operation

Causes

  • Open or short circuit in wiring harness
  • Door sensor malfunction
  • Problems with the lighting control module
  • Contact corrosion

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the operation of the door sensors
  3. Diagnose the lighting control module
  4. Clean or replace corroded contacts

Related codes

B1600B1601B1602

FAQ

What does the B1607 code mean?

B1607 is an OBD-II diagnostic trouble code that indicates: Illuminated Entry Input Circuit Failure

What causes a B1607 error code?

The most common causes of B1607 include: Open or short circuit in wiring harness; Door sensor malfunction; Problems with the lighting control module; Contact corrosion.

How do I fix a B1607 diagnostic trouble code?

To fix B1607: Check the integrity of the wiring harness. Check the operation of the door sensors. Diagnose the lighting control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1607?

Limited driving only, diagnose soon

How much does it cost to fix B1607?

The estimated repair cost for B1607 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat