B2622 Code - Inside Key Antenna 2 Circuit
Quick Answer
The Inside Key Antenna 2 detects whether Intelligent Key is inside the vehicle. Common causes include Faulty Inside Key Antenna, Inside Key Antenna harness is open or shorted, Inside Key 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
- B2622 indicates Inside Key Antenna 2 Circuit.
- Common causes
- Common causes include Faulty Inside Key Antenna, Inside Key Antenna harness is open or shorted, Inside Key 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 B2622 Description
What are the Possible Causes of the DTC B2622?
- Faulty Inside Key Antenna
- Inside Key Antenna harness is open or shorted
- Inside Key Antenna circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B2622?
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 B2622 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
- B2622 Buick — Display Dimming Pulse Width Modulation Input Circuit
- B2622 Cadillac — Display Dimming Pulse Width Modulation Input Circuit
- B2622 Chevrolet — Display Dimming Pulse Width Modulation Input Circuit
- B2622 GMC — Display Dimming Pulse Width Modulation Input Circuit
- B2622 Infiniti — Inside Key Antenna 2 Circuit
- B2622 Nissan — Inside Key Antenna 2 Circuit
Frequently Asked Questions about B2622 Code
1. What does the OBDII code B2622 mean?
B2622 indicates an issue with the Inside Key Antenna 2 Circuit, which is part of the vehicle's keyless entry or push-to-start system. It suggests a malfunction in the key signal detection.
2. What are the symptoms of code B2622?
Common symptoms include difficulty starting the vehicle, keyless entry not functioning, or a warning message about the key not being detected.
3. What causes the B2622 code to appear?
Potential causes include a faulty inside key antenna, damaged wiring or connectors in the antenna circuit, or an issue with the Body Control Module (BCM).
4. Can a weak key fob battery trigger code B2622?
While a weak key fob battery can cause key detection issues, it is not the direct cause of code B2622, which relates to the antenna circuit.
5. How do you diagnose the B2622 code?
Diagnose by inspecting the inside key antenna for damage, checking the wiring and connectors for continuity or corrosion, and testing the antenna circuit with a multimeter.
6. Can code B2622 cause the vehicle not to start?
Yes, if the inside key antenna cannot detect the key fob signal, the vehicle may not start as part of the keyless ignition system.
7. Is it safe to drive with the B2622 code?
While the car may still start intermittently, driving with this code is not recommended as the issue could worsen, potentially leaving you unable to start the vehicle.
8. How is code B2622 fixed?
Repairs may involve replacing the inside key antenna, repairing damaged wiring, or reprogramming or replacing the Body Control Module if necessary.
9. Can I clear code B2622 without fixing it?
Clearing the code without addressing the underlying issue may temporarily remove the warning, but the problem will likely return until repaired.
10. How much does it cost to repair code B2622?
Repair costs vary based on the specific issue, but replacing the inside key antenna typically costs $150–$300, including parts and labor.
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