B2470 GMC Code - Cellular Phone Antenna Circuit Malfunction
Quick Answer
The cellular phone and navigation antenna are connected to the Telematics Communication Interface Control Module. Common causes include Faulty Cellular Phone, Navigation, and Digital Radio Antenna, Cellular Phone, Navigation, and Digital Radio Antenna harness is open or shorted, Cellular Phone, Navigation, and Digital Radio Antenna 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
- B2470 GMC indicates Cellular Phone Antenna Circuit Malfunction.
- Common causes
- Common causes include Faulty Cellular Phone, Navigation, and Digital Radio Antenna, Cellular Phone, Navigation, and Digital Radio Antenna harness is open or shorted, Cellular Phone, Navigation, and Digital Radio Antenna 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 B2470 GMC Description
What are the Possible Causes of the DTC B2470 GMC?
- Faulty Cellular Phone, Navigation, and Digital Radio Antenna
- Cellular Phone, Navigation, and Digital Radio Antenna harness is open or shorted
- Cellular Phone, Navigation, and Digital Radio Antenna circuit poor electrical connection
- Faulty Telematics Communication Interface Control Module
How to Fix the DTC B2470 GMC?
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.
Code Tech Notes
B2470:04 Cellular Phone Antenna Circuit Malfunction Open Circuit
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B2470 GMC 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 B2470 GMC code?
Need more information on how to fix the B2470 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B2470 GMC code diagnosed by a professional: Find a repair shop in your area
Information for Specific GMC Models
- B2470 2014 GMC Sierra — Cellular Phone Antenna Circuit Malfunction
- B2470 2015 GMC Sierra — Cellular Phone Antenna Circuit Malfunction
- B2470 2016 GMC Sierra — Cellular Phone Antenna Circuit Malfunction
- B2470 2017 GMC Sierra — Cellular Phone Antenna Circuit Malfunction
- B2470 2018 GMC Sierra — Cellular Phone Antenna Circuit Malfunction
Frequently Asked Questions about B2470 GMC Code
1. What are common symptoms of OBDII code B2470 GMC (Cellular Phone Antenna Circuit Malfunction)?
The common symptoms include poor cell phone reception, dropped calls, and issues with Bluetooth connectivity in the vehicle.
2. What are possible causes of the B2470 GMC code?
Possible causes of this code include a malfunctioning cellular phone antenna, damaged wiring or connectors in the antenna circuit, or a faulty control module.
3. How can I diagnose the B2470 GMC code?
Diagnosing this code usually involves performing a visual inspection of the antenna and its wiring, checking for any visible damage, and using a multimeter to test for continuity and proper voltage in the circuit.
4. Can I repair the B2470 GMC code myself?
If you have experience working with automotive electrical systems, you may be able to repair this code yourself by replacing the faulty antenna, repairing damaged wiring, or addressing any connector issues. Otherwise, it's recommended to seek professional help.
5. Is it safe to continue driving with the B2470 GMC code present?
While the code itself may not directly affect the drivability of the vehicle, it's important to address the underlying issue to ensure proper functionality of the cellular phone antenna system and avoid potential communication problems while driving.
6. How much does it typically cost to repair the B2470 GMC code?
The cost of repairing this code can vary depending on the specific cause of the issue, the extent of the damage, and whether you choose to repair it yourself or take it to a professional mechanic. Costs may include parts and labor.
7. Can the B2470 GMC code be triggered by other issues unrelated to the cellular phone antenna?
While the B2470 code is specifically related to the cellular phone antenna circuit, other electrical issues or malfunctions in the vehicle could potentially trigger a similar code. It's important to diagnose the specific cause to address the issue accurately.
8. Will resetting the OBDII system clear the B2470 GMC code?
Resetting the OBDII system may temporarily clear the code, but if the underlying issue with the cellular phone antenna circuit is not fixed, the code is likely to reappear after driving the vehicle for some time.
9. How long does it typically take to repair the B2470 GMC code?
The repair time for this code can vary depending on the complexity of the issue and the availability of parts. Simple repairs may take a few hours, while more extensive repairs could take longer and may require multiple visits to a mechanic.
10. Are there any preventive measures to avoid the B2470 GMC code from occurring?
Regularly checking the condition of the cellular phone antenna and its wiring, ensuring proper maintenance of the vehicle's electrical system, and addressing any issues promptly can help prevent the occurrence of the B2470 code.
Discuss the causes and fixes for B2470 GMC OBDII Code
Code B2470 GMC 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.
