B1551 Code - HD Radio Tuner Malfunction
Quick Answer
The Diagnostic Trouble Code (DTC) is stored when a malfunction occurs in the Radio and Display Receiver Assembly (or Navigation Receiver Assembly). Common causes include Faulty Radio and Display Receiver Assembly (or Navigation Receiver Assembly), Radio and Display Receiver Assembly harness is open or shorted, Radio and Display Receiver 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
- B1551 indicates HD Radio Tuner Malfunction.
- Common causes
- Common causes include Faulty Radio and Display Receiver Assembly (or Navigation Receiver Assembly), Radio and Display Receiver Assembly harness is open or shorted, Radio and Display Receiver 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 B1551 Description
What are the Possible Causes of the DTC B1551?
- Faulty Radio and Display Receiver Assembly (or Navigation Receiver Assembly)
- Radio and Display Receiver Assembly harness is open or shorted
- Radio and Display Receiver Assembly circuit poor electrical connection
How to Fix the DTC B1551?
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 B1551 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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Information for Specific Makes
- B1551 Lexus — HD Radio Tuner Malfunction
- B1551 Scion — HD Radio Tuner Malfunction
- B1551 Toyota — HD Radio Tuner Malfunction
Frequently Asked Questions about B1551 Code
1. What are the common symptoms of OBDII code B1551 (HD Radio Tuner Malfunction)?
- Common symptoms include the HD radio tuner not functioning properly, loss of radio signal quality, or complete radio failure.
2. What can cause the OBDII code B1551 to trigger?
- This code can be triggered by issues such as a malfunctioning HD radio tuner module, wiring problems, or a faulty antenna.
3. How can I diagnose the cause of OBDII code B1551?
- Diagnosis involves checking the connections to the HD radio tuner, testing the tuner module for proper function, and inspecting the antenna for damage.
4. What are some repair tips for fixing OBDII code B1551?
- Repair tips include checking and repairing any damaged wiring, replacing the HD radio tuner module if necessary, and ensuring the antenna is properly connected and functioning.
5. Can I reset OBDII code B1551 without fixing the underlying issue?
- While you can clear the code with a scanner, it is recommended to address the root cause to prevent the code from reoccurring and ensure proper functioning of the HD radio tuner.
6. Is it safe to continue driving with OBDII code B1551 present?
- It is generally safe to drive with this code, but it is advisable to address the issue promptly to restore normal radio functionality and avoid potential issues with other vehicle systems.
7. Can a DIY enthusiast fix OBDII code B1551 at home?
- Depending on your skill level and access to tools, you may be able to address this code at home by following repair guides or seeking assistance from online forums.
8. Are there any common mistakes to avoid when dealing with OBDII code B1551?
- Common mistakes include overlooking simple fixes like loose connections, ignoring antenna issues, or neglecting to properly diagnose the problem before attempting repairs.
9. How much does it typically cost to repair OBDII code B1551 at a dealership or mechanic?
- The cost of repair can vary depending on the specific issue, but it may involve labor costs for diagnosis and repair, as well as the price of any replacement parts needed.
10. Can weather conditions affect the triggering of OBDII code B1551?
- Yes, extreme weather conditions or environmental factors can impact the performance of the HD radio tuner and potentially trigger the B1551 code.
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