Audi A3 A4 A5 Key 8K0959754G – ID46 PCF7945A 433MHz HU92R No Keyless Go
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📋 Part No: 8K0959754G & 8K0959754E | Chip: ID46 PCF7945A | Blade: HU92R | Battery: CR2032
ID46 PCF7945A
433.92MHz FSK
HU92R Blade
3 Buttons
CR2032
NOT Keyless Go
Battery Not Included
Aftermarket Audi compatible key (Part No. 8K0959754G / 8K0959754E) featuring an ID46 PCF7945A chip, 433.92MHz FSK frequency, 3 buttons and HU92R blade. Suits Audi A3, A4 and A5 approximately 2009–2012. CR2032 battery required — not included. Not suitable for Keyless Go vehicles. Diagnostic programming by a qualified locksmith or mechanic is required.
🚫 NOT SUITABLE FOR KEYLESS GO: This key does not support Audi's Keyless Go (proximity/passive entry) system. If your Audi has Keyless Go — where you can unlock and start the car without pressing any button — this key will not work for that function. Please verify your vehicle does not have Keyless Go before ordering.
🔋 Battery Not Included — CR2032 Required: This key requires a CR2032 coin battery. Please purchase one separately before use. Battery access requires a tool.
💾 ID46 PCF7945A — Audi VAG Security: This key uses the PCF7945A transponder chip, a variant of the ID46 family used in Audi and Volkswagen Group vehicles from this era. Your locksmith must have VAG-compatible diagnostic equipment that supports ID46 PCF7945A and Audi programming. Please confirm compatibility before purchasing.
⚠️ Diagnostic Programming Required: This Audi key must be programmed using a diagnostic scan tool by a qualified automotive locksmith or mechanic with Audi/VAG-compatible equipment. It cannot be self-programmed.
Compatible Audi Models (Approx. 2009–2012)
Audi A3
~2009 – 2012
Audi A4
~2009 – 2012
Audi A5
~2009 – 2012
Key Features
Complete Key
Full key with all electronics inside — not a shell or casing only
433.92MHz FSK
433.92MHz FSK matching Audi A3/A4/A5 factory specification
ID46 PCF7945A
PCF7945A transponder for Audi VAG immobiliser compatibility
HU92R Blade
HU92R Audi/BMW group blade — verify your blade before ordering
3 Buttons
3-button layout — lock, unlock and boot release
CR2032 Battery
CR2032 required — purchase separately. Tool needed for battery access.
Vehicle Compatibility
| Vehicle | Year Range | Part No. | Chip | Blade | Keyless Go |
|---|---|---|---|---|---|
| Audi A3 | ~2009 – 2012 | 8K0959754G / 8K0959754E | ID46 PCF7945A | HU92R | ❌ Not Supported |
| Audi A4 | ~2009 – 2012 | 8K0959754G / 8K0959754E | ID46 PCF7945A | HU92R | ❌ Not Supported |
| Audi A5 | ~2009 – 2012 | 8K0959754G / 8K0959754E | ID46 PCF7945A | HU92R | ❌ Not Supported |
Programming Requirements
🔧 Diagnostic Programming Required — This Audi key uses an ID46 PCF7945A chip and requires programming via a diagnostic scan tool by a qualified automotive locksmith or mechanic with Audi/VAG compatible diagnostic equipment. Manual self-programming is not supported. Please confirm your locksmith has the correct equipment before purchasing.
Technical Specifications
| Manufacturer Compatibility | Audi (Aftermarket) |
| Part No. | 8K0959754G / 8K0959754E |
| Vehicle | Audi A3, A4, A5 (~2009–2012) |
| Type | Aftermarket Compatible Key |
| Chip | ID46 PCF7945A |
| Frequency | 433.92MHz FSK |
| Buttons | 3 |
| Blade | HU92R |
| Keyless Go | Not Supported |
| Battery Type | CR2032 (not included) |
| Battery Access | Tool Required |
| Programming Method | Diagnostic Only (VAG compatible tool) |
Before You Buy – Important Information
- This is a complete key with all electronics included — not a shell only
- Keys are not supplied with logos
- This key is NOT suitable for Keyless Go — if your Audi has proximity/passive entry, this key will not work for that function
- CR2032 battery is NOT included — please purchase separately before use
- Confirm your Part No. is 8K0959754G or 8K0959754E before ordering
- This key is suitable if your current key looks identical and uses an HU92R blade
- Year range is approximately 2009–2012 — verify with your VIN or locksmith
- Your locksmith must support ID46 PCF7945A and Audi/VAG diagnostic protocol
- Programming must be performed diagnostically by a qualified automotive locksmith or mechanic
- This key cannot be self-programmed
Disclaimer: This product is an aftermarket compatible replacement key, distributed as a substitute for the original manufacturer's product. It is not produced by, authorised, endorsed, or approved by Audi or Volkswagen Group. The words "Audi", "A3", "A4" and "A5" are used solely to indicate vehicle compatibility.