B1473 Lexus Code - A/C Inverter Start-Up Signal System Malfunction
Quick Answer
The inverter activation signal is sent to the A/C Inverter Assembly from the Hybrid Control ECU. Common causes include Faulty A/C Inverter (w/Converter Inverter Assembly), A/C Inverter (w/Converter Inverter Assembly) harness is open or shorted, A/C Inverter (w/Converter Inverter Assembly) circuit poor electrical connection. 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
- B1473 Lexus indicates A/C Inverter Start-Up Signal System Malfunction.
- Common causes
- Common causes include Faulty A/C Inverter (w/Converter Inverter Assembly), A/C Inverter (w/Converter Inverter Assembly) harness is open or shorted, A/C Inverter (w/Converter Inverter Assembly) circuit poor electrical connection.
- 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.
Code B1473 Lexus Description
What are the Possible Causes of the DTC B1473 Lexus?
- Faulty A/C Inverter (w/Converter Inverter Assembly)
- A/C Inverter (w/Converter Inverter Assembly) harness is open or shorted
- A/C Inverter (w/Converter Inverter Assembly) circuit poor electrical connection
- Faulty Hybrid Control ECU
How to Fix the DTC B1473 Lexus?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1473 Lexus code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B1473 Lexus Code
1. What are common symptoms of OBDII code B1473 in a Lexus related to the A/C Inverter Start-Up Signal System Malfunction?
Common symptoms may include a malfunctioning air conditioning system, lack of cool air, and potential issues with the vehicle's climate control.
2. What are possible causes of OBDII code B1473 in a Lexus indicating an A/C Inverter Start-Up Signal System Malfunction?
Possible causes include faulty wiring, a defective inverter, issues with the A/C compressor, or a malfunctioning control module.
3. How can I diagnose OBDII code B1473 in a Lexus regarding the A/C Inverter Start-Up Signal System Malfunction?
Diagnosis typically involves using an OBDII scanner to retrieve the specific error code, inspecting the wiring and connections related to the A/C system, and testing the inverter and other components for proper functionality.
4. Can I still drive my Lexus if OBDII code B1473 related to the A/C Inverter Start-Up Signal System Malfunction is present?
It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the air conditioning system and potentially affect other vehicle functions.
5. How can I repair OBDII code B1473 in a Lexus associated with the A/C Inverter Start-Up Signal System Malfunction?
Repair options may include replacing damaged wiring, repairing or replacing the faulty inverter, fixing issues with the A/C compressor, or resetting the control module after resolving the underlying problem.
6. Is it safe to reset the OBDII code B1473 in a Lexus without addressing the A/C Inverter Start-Up Signal System Malfunction?
Resetting the code without addressing the underlying issue is not recommended, as the problem will likely persist and could lead to further complications down the line.
7. Are there any preventive maintenance tips to avoid encountering OBDII code B1473 in a Lexus due to the A/C Inverter Start-Up Signal System Malfunction?
Regular inspection of the A/C system, checking for any unusual noises or malfunctions, and addressing any issues promptly can help prevent the occurrence of this error code.
8. Can a DIY enthusiast fix OBDII code B1473 related to the A/C Inverter Start-Up Signal System Malfunction in a Lexus?
Depending on the individual's skill level and experience with automotive repairs, some DIY enthusiasts may be able to diagnose and address this issue. However, it is recommended to seek professional assistance for complex electrical system problems.
9. How much can I expect to pay for repairing OBDII code B1473 in a Lexus connected to the A/C Inverter Start-Up Signal System Malfunction?
Repair costs can vary depending on the specific cause of the issue, labor rates in your area, and the parts needed for the repair. It is advisable to obtain quotes from different mechanics or service centers.
10. Will fixing OBDII code B1473 in a Lexus related to the A/C Inverter Start-Up Signal System Malfunction improve the overall performance of the vehicle?
Fixing this issue can restore proper functioning of the air conditioning system and ensure a comfortable driving experience, especially during hot weather.
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