B172C Code - Roof Status Signal Trunk
Quick Answer
The Soft Top Control Unit transmits roof position signal to BOSE Amplifier and Telephone Adapter Unit (Without NAVI). Common causes include Faulty BOSE Amplifier and Telephone Adapter Unit, BOSE Amplifier and Telephone Adapter Unit harness is open or shorted, BOSE Amplifier and Telephone Adapter Unit 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
- B172C indicates Roof Status Signal Trunk.
- Common causes
- Common causes include Faulty BOSE Amplifier and Telephone Adapter Unit, BOSE Amplifier and Telephone Adapter Unit harness is open or shorted, BOSE Amplifier and Telephone Adapter Unit 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 B172C Description
What are the Possible Causes of the DTC B172C?
- Faulty BOSE Amplifier and Telephone Adapter Unit
- BOSE Amplifier and Telephone Adapter Unit harness is open or shorted
- BOSE Amplifier and Telephone Adapter Unit circuit poor electrical connection
- Faulty Soft Top Control Unit
How to Fix the DTC B172C?
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 B172C 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
- B172C Nissan — Roof Status Signal Trunk
Frequently Asked Questions about B172C Code
1. What are the common symptoms of OBDII code B172C - Roof Status Signal Trunk?
Symptoms may include an illuminated roof warning light on the dashboard, trunk not opening or closing properly, or issues with the convertible top operation.
2. What could be the possible causes of OBDII code B172C?
Possible causes include a faulty roof status signal sensor, damaged wiring or connectors in the trunk area, or a malfunction in the convertible top control module.
3. How can I diagnose the source of OBDII code B172C?
Diagnosis involves using a scan tool to retrieve the code, inspecting the roof status signal sensor and related components in the trunk, and checking for any visible signs of damage or corrosion in the wiring.
4. Can I continue driving with OBDII code B172C present?
It is not recommended to drive with this code present, as it may indicate a potential safety hazard or lead to further damage if not addressed promptly.
5. What are some repair tips for OBDII code B172C?
Try checking and cleaning the connectors and wiring related to the roof status signal sensor, resetting the convertible top system, or replacing the faulty sensor if needed.
6. How much does it typically cost to repair OBDII code B172C?
The cost of repair can vary depending on the underlying issue and the labor rates of the repair shop. It is advisable to get a diagnostic from a qualified technician for an accurate estimate.
7. Can low battery voltage trigger OBDII code B172C?
Yes, low battery voltage can sometimes cause electrical issues that may trigger this code. Ensure your vehicle's battery is in good condition and properly charged.
8. Is OBDII code B172C specific to certain vehicle makes and models?
This code may be specific to certain vehicles equipped with convertible tops or retractable roofs. Consult your vehicle's service manual or a professional technician for more specific information.
9. How urgent is it to address OBDII code B172C?
It is recommended to address this code as soon as possible to prevent any further complications with the convertible top system and ensure the proper operation of your vehicle.
10. Can a DIY enthusiast fix OBDII code B172C at home?
Depending on your skill level and access to tools, some simple repairs like checking and cleaning connectors or replacing a sensor may be possible at home. However, complex diagnostics and repairs may require professional assistance.
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