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Engine-Codes – Generic – B1424

B1424 Code - Solar Sensor Circuit Driver Side

Quick Answer

The B1424 code indicates a problem with the solar sensor circuit on the driver side of the vehicle. Common causes include Faulty solar sensor, Wiring issues or corrosion in the sensor circuit, Poor connection or loose wiring. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1424 indicates Solar Sensor Circuit Driver Side.
Common causes
Common causes include Faulty solar sensor, Wiring issues or corrosion in the sensor circuit, Poor connection or loose wiring.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code B1424 Description

The B1424 code indicates a problem with the solar sensor circuit on the driver side of the vehicle. The solar sensor is a component of the climate control system that measures the intensity of sunlight and adjusts the interior temperature accordingly. This sensor helps the HVAC system maintain a comfortable cabin temperature by adjusting the airflow and temperature settings based on the amount of sunlight hitting the vehicle.

OBDII Code B1424 - Solar Sensor Circuit Driver Side
B1424 Code - Solar Sensor Circuit Driver Side

Common Causes of B1424

  1. Faulty solar sensor
  2. Wiring issues or corrosion in the sensor circuit
  3. Poor connection or loose wiring
  4. Electronic control module (ECM) malfunction
  5. Environmental factors such as extreme heat or sunlight exposure

Symptoms of B1424

  1. Inaccurate temperature control inside the vehicle
  2. Automatic headlights not functioning properly
  3. Sunroof not operating as expected
  4. HVAC system running constantly or inefficiently

How to Fix B1424

  1. Begin by diagnosing the solar sensor circuit using a diagnostic scanner to pinpoint the exact issue.
  2. Inspect the sensor and wiring for any visible damage, corrosion, or loose connections.
  3. Replace the solar sensor if it is found to be faulty.
  4. Repair or replace any damaged wiring or connectors in the sensor circuit.
  5. Clear the diagnostic trouble codes and test the system to ensure the issue has been resolved.

Cost to Fix B1424

The cost of repairing a solar sensor circuit issue can vary depending on the extent of the problem and the specific components that need to be replaced. On average, the parts for this repair can range from $50 to $200, while the labor costs can range from $100 to $300. Keep in mind that these are rough estimates, and actual costs may vary based on the vehicle make and model, as well as the shop's labor rates. It's recommended to get a quote from a trusted auto repair shop for a more accurate cost estimate.

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Code B1424 Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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