OBD Guide
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B160A

Panel Dimmer Input Circuit Low

B160A is an OBD-II diagnostic trouble code meaning: Panel Dimmer Input Circuit Low. Common causes: open or short circuit in wiring harness, dimmer malfunction. Estimated repair cost: $11–56.

Severity
✅ Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • Adjusting the brightness of the instrument panel illumination does not work
  • Instrument panel lights do not turn on
  • Flickering instrument panel lights

Causes

  • Open or short circuit in wiring harness
  • Dimmer malfunction
  • Poor contact in connectors
  • Malfunction of the instrument panel control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check contacts in connectors
  3. Check the operation of the brightness control
  4. Check the instrument panel control unit

Related codes

B160BB160C

FAQ

What does the B160A code mean?

B160A is an OBD-II diagnostic trouble code that indicates: Panel Dimmer Input Circuit Low

What causes a B160A error code?

The most common causes of B160A include: Open or short circuit in wiring harness; Dimmer malfunction; Poor contact in connectors; Malfunction of the instrument panel control unit.

How do I fix a B160A diagnostic trouble code?

To fix B160A: Check the integrity of the wiring harness. Check contacts in connectors. Check the operation of the brightness control. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B160A?

Limited driving only, diagnose soon

How much does it cost to fix B160A?

The estimated repair cost for B160A is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat