P1126 – Lexus DTC

Lexus DTC P1126 – Magnetic Clutch Circuit Malfunction

DTC P1126 meaning on Lexus

DTC P1126 on a Lexus indicates a malfunction in the magnetic clutch circuit of the air conditioning system. This code is specific to the operation of the magnetic clutch, which is responsible for engaging and disengaging the air conditioning compressor.

Lexus DTC P1126 symptoms

• Failure of the air conditioning system to cool properly
• Intermittent or constant illumination of the A/C warning light on the dashboard
• Unusual noises coming from the A/C compressor

Lexus DTC P1126 causes

• Faulty magnetic clutch
• Wiring issues in the magnetic clutch circuit
• Defective A/C compressor
• Low refrigerant levels

Lexus DTC P1126 seriousness

The seriousness of DTC P1126 on a Lexus depends on the underlying cause. If left unresolved, it can lead to further damage to the air conditioning system and potentially result in a complete failure of the A/C system.

How to diagnose DTC P1126 on Lexus

1. Use a scan tool to retrieve the DTC P1126 code from the vehicle’s computer
2. Inspect the magnetic clutch and its wiring for any visible damage or corrosion
3. Check the A/C compressor for proper operation
4. Test the refrigerant levels in the A/C system

How to fix DTC P1126 on Lexus

1. Replace the faulty magnetic clutch if necessary
2. Repair any damaged wiring in the magnetic clutch circuit
3. If the A/C compressor is defective, replace it
4. Ensure proper refrigerant levels in the A/C system

How to erase DTC P1126 on Lexus

1. After completing the necessary repairs, use a scan tool to clear the DTC P1126 code from the vehicle’s computer
2. Verify that the A/C system is functioning correctly and that the warning light is no longer illuminated

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