B1248 Lexus Code - AVC–LAN Communication Impossible
Quick Answer
This Diagnostic Trouble Code (DTC) is detected when communication is impossible between the Radio and Player ECU and Gateway ECU. Common causes include Faulty Radio and Player ECU, Radio and Player ECU harness is open or shorted, Radio and Player ECU 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
- B1248 Lexus indicates AVC–LAN Communication Impossible.
- Common causes
- Common causes include Faulty Radio and Player ECU, Radio and Player ECU harness is open or shorted, Radio and Player ECU 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 B1248 Lexus Description
What are the Possible Causes of the DTC B1248 Lexus?
- Faulty Radio and Player ECU
- Radio and Player ECU harness is open or shorted
- Radio and Player ECU circuit poor electrical connection
How to Fix the DTC B1248 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 B1248 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.
Need more information about the B1248 Lexus code?
Need more information on how to fix the B1248 Lexus code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1248 Lexus code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B1248 Lexus Code
1. What are the common symptoms of OBDII code B1248 in a Lexus related to AVC-LAN Communication Impossible?
- Common symptoms include issues with the audio system, navigation system malfunction, and connectivity problems with other vehicle systems.
2. What are the possible causes of OBDII code B1248 in a Lexus?
- Possible causes include a faulty AVC-LAN communication module, damaged wiring or connectors, software glitches, or a malfunctioning audio/navigation unit.
3. How can I diagnose the root cause of OBDII code B1248 in my Lexus?
- Use a diagnostic scanner to retrieve the specific trouble codes, inspect the wiring and connectors for any visible damage, and perform a thorough check of the AVC-LAN communication module.
4. Can I still drive my Lexus safely with OBDII code B1248 present?
- It is generally safe to drive the vehicle with this code, but you may experience issues with the audio and navigation systems. It is recommended to address the problem promptly to ensure proper functionality.
5. Are there any simple repair tips to fix OBDII code B1248 in a Lexus?
- Check for loose connections and ensure all wiring is intact, reset the audio/navigation unit, or update the software to see if the issue resolves before seeking professional assistance.
6. Is it necessary to visit a dealership or mechanic to fix OBDII code B1248 in a Lexus?
- Depending on your expertise and tools available, you may attempt to troubleshoot and repair the issue yourself. However, seeking help from a qualified technician is recommended for complex diagnostics and repairs.
7. How much does it typically cost to repair OBDII code B1248 in a Lexus?
- The cost of repair can vary based on the root cause of the issue. Simple fixes like resetting the system or updating software may incur minimal costs, while replacing a faulty module or wiring could be more expensive.
8. Can OBDII code B1248 in a Lexus be prevented in the future?
- Regular maintenance and timely software updates can help prevent OBDII code B1248 from occurring. Ensuring proper care of the audio and navigation systems can also reduce the likelihood of this issue.
9. Will resetting the OBDII code B1248 in my Lexus make it go away permanently?
- Resetting the code may temporarily clear the warning light, but if the underlying issue persists, the code is likely to reappear. It is important to diagnose and address the root cause for a permanent solution.
10. How long does it typically take to repair OBDII code B1248 in a Lexus?
- The repair time can vary depending on the complexity of the issue. Simple fixes may take a short amount of time, while more involved repairs could require several hours or even days to complete.
Discuss the causes and fixes for B1248 Lexus OBDII Code
Code B1248 Lexus 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.
