B1473 Toyota 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 Toyota 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 Toyota Description
What are the Possible Causes of the DTC B1473 Toyota?
- 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 Toyota?
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 Toyota 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.
Need more information about the B1473 Toyota code?
Need more information on how to fix the B1473 Toyota code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1473 Toyota code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B1473 Toyota Code
1. What are the common symptoms of OBDII code B1473 in a Toyota related to the A/C Inverter Start-Up Signal System Malfunction?
- Common symptoms include the air conditioning system not starting up properly, lack of cold air from the vents, and potential issues with the inverter system.
2. What can cause the OBDII code B1473 to trigger in a Toyota's A/C Inverter Start-Up Signal System?
- The code may be triggered by a malfunction in the A/C inverter start-up signal system, a faulty inverter assembly, wiring issues, or a communication error between components.
3. How can I diagnose the A/C Inverter Start-Up Signal System Malfunction in my Toyota if I suspect OBDII code B1473?
- Diagnosis typically involves using a scan tool to retrieve the specific trouble code, checking the inverter assembly for proper function, inspecting wiring connections, and testing related components for faults.
4. Is it safe to continue driving my Toyota with the OBDII code B1473 related to the A/C Inverter Start-Up Signal System Malfunction?
- It is generally not recommended to drive the vehicle with this code active, as it can affect the performance of the air conditioning system and lead to further issues if left unresolved.
5. Can I reset the OBDII code B1473 in my Toyota related to the A/C Inverter Start-Up Signal System Malfunction?
- While you can clear the code using a scan tool, it is important to address the underlying issue causing the code to prevent it from reoccurring.
6. What are some repair tips for fixing the A/C Inverter Start-Up Signal System Malfunction in a Toyota with OBDII code B1473?
- Repair tips may include checking and repairing wiring connections, replacing a faulty inverter assembly, ensuring proper communication between system components, and clearing the trouble code after resolving the issue.
7. How much does it typically cost to repair the A/C Inverter Start-Up Signal System Malfunction related to OBDII code B1473 in a Toyota?
- Repair costs can vary depending on the exact cause of the issue, but they may range from a couple of hundred dollars for simpler fixes to over a thousand dollars for more complex repairs involving component replacement.
8. Can a DIY enthusiast fix the A/C Inverter Start-Up Signal System Malfunction in a Toyota triggering OBDII code B1473?
- While some simple checks and repairs like checking wiring connections can be done by a knowledgeable DIY enthusiast, diagnosing and fixing more complex issues may require professional expertise and specialized tools.
9. Are there any recalls or technical service bulletins related to the A/C Inverter Start-Up Signal System Malfunction in Toyota vehicles with OBDII code B1473?
- It's advisable to check with Toyota dealerships or visit the National Highway Traffic Safety Administration (NHTSA) website to see if there are any recalls or bulletins related to this specific issue in your vehicle.
10. How can regular maintenance help prevent the occurrence of OBDII code B1473 in a Toyota due to the A/C Inverter Start-Up Signal System Malfunction?
- Regular maintenance, including keeping the A/C system clean, checking for any unusual noises or smells, and addressing any issues promptly, can help prevent more significant problems that may trigger this trouble code.
Discuss the causes and fixes for B1473 Toyota OBDII Code
Code B1473 Toyota comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
