OBD Guide
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B1230

Short In The Sunlight Sensor Circuit

B1230 is an OBD-II diagnostic trouble code meaning: Short In The Sunlight Sensor Circuit. Common causes: wiring harness damage, sunlight sensor malfunction. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Incorrect operation of climate control
  • Incorrect temperature control in the cabin
  • Flashing malfunction indicator on the instrument panel

Causes

  • Wiring harness damage
  • Sunlight sensor malfunction
  • Problems in the climate control control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the functionality of the sun light sensor
  3. Replace sensor if necessary
  4. Check the climate control control unit

Related codes

B1220B1240

FAQ

What does the B1230 code mean?

B1230 is an OBD-II diagnostic trouble code that indicates: Short In The Sunlight Sensor Circuit

What causes a B1230 error code?

The most common causes of B1230 include: Wiring harness damage; Sunlight sensor malfunction; Problems in the climate control control unit.

How do I fix a B1230 diagnostic trouble code?

To fix B1230: Check the integrity of the wiring harness. Check the functionality of the sun light sensor. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1230?

Limited driving only, diagnose soon

How much does it cost to fix B1230?

The estimated repair cost for B1230 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat