OBD Guide
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B14A2

Sunload Sensor Circuit Short Circuit

B14A2 is an OBD-II diagnostic trouble code meaning: Sunload Sensor Circuit Short Circuit. Common causes: short circuit in sensor wiring harness, solar load sensor fault. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect operation of the climate control system
  • Automatic temperature adjustment does not work
  • Check Engine light comes on

Causes

  • Short circuit in sensor wiring harness
  • Solar load sensor fault
  • Problems with the climate control unit
  • Oxidation of contacts or damage to connectors

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Check the resistance of the solar load sensor
  3. Inspect connectors and contacts for damage
  4. If necessary, replace the sensor or repair the wiring
  5. Reset the error and check the system operation

Related codes

B14A1B14A3

FAQ

What does the B14A2 code mean?

B14A2 is an OBD-II diagnostic trouble code that indicates: Sunload Sensor Circuit Short Circuit

What causes a B14A2 error code?

The most common causes of B14A2 include: Short circuit in sensor wiring harness; Solar load sensor fault; Problems with the climate control unit; Oxidation of contacts or damage to connectors.

How do I fix a B14A2 diagnostic trouble code?

To fix B14A2: Check the integrity of the sensor wiring harness. Check the resistance of the solar load sensor. Inspect connectors and contacts for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B14A2?

Limited driving only, diagnose soon

How much does it cost to fix B14A2?

The estimated repair cost for B14A2 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat