Here are frequently asked questions of the new Xhorse MQB48 adapter for VVDI MLB Tool.
Q: Do you have to replace the replacement chip again when switching back to MLB?
A: This chip is used to replace the original chip in the MLB main unit. After replacement, it will work with the information collector. Discard the original chip; no need to retain it.
Q: Need Bonus Points for MQB48 ?
A: No points required to collect mqb48 immo data.
Q: Is it compatible with Xhorse Key Tool Plus (paired with MLB Tool) or with VVDI2 only?
A: It is compatible with both vvdi2 and key tool plus.
Note: Tablets with a single Type-C port have poor power stability, leading to longer collection times and lower success rates. Strongly recommend using PC.
Q: Why does it only work with vvdi2 and not with vvdi keytool plus??
A: It does work with both vvdi2 and key tool plus.
Q: have my MLB Tool bound to my Key Tool Plus. How to do this with the Key Tool Plus? There is no MQB48 section/switch in the Key Tool Plus.
A:PC is recommended. Key Tool Plus menu is not ready. It will be available soon. Menu path will be IMMO Programming—VW—Select by type—MQB instrument immo system—NEC35xx（Continental/VDO）—
Q: What is the value and measurements of the capacitor in uF
A: It’s o.1uF.
Q: Xhorse new adapter Mqb48 for Mlb Reader it reads only Mqb4.5/mqb48 5A chip Only? or can be MQB49 5C chip as well, dream will be 5D too?
A: Only mqb48 and 5A. No 5C. 5D cluster does not have immo data.
Q: need MQB Nec Lock license? Or with this adapter can read immo data and generate dealer key without MQB Nec lock license.
A: The MLB Tool does not need NEC35XX locked license. But if need to generate dealer key and learn key with vvdi2 or key tool plus. Your key tool plus or vvdi2 must have NEC35XX locked license activated.
Q: if i have keytool plus i can generate Key and learn it by OBD ?
A: Yes, after calculating immo data with MLB Tool, you can generate key and learn it with vvdi2 or key tool plus via OBD.
Q: All the same capacitor too Remove?
A: need remove just 1 capacitor and solder back.
Q: If I buy a new MLB tool, will it already have a new chip or do I have to replace it as well?
A: Still need to replace the chip.
Q: Why mlb tool doesn’t do mqb48 with vvdi keytool plus???
A: It can work with key tool plus to collect data. But PC is better.
Q: With that modification, the MLB will lose guarantee?
A: No, it will not.
Q: Support all mqb48 keys? Prox, bladed, digital cluster?
A: Depends on key type. Check the wiring diagram in software. If the key board matches with the wiring, it can do.
Q: I just generate correct remote using app then write data to key?
A: MLB tool just calculate immo data, you still need VVDI2 or VVDI Key Tool Plus to generate dealer key and learn key.
Q: so if i have keytool plus i can generate Key and learn it by OBD?
A: Yes, after calculating immo data with MLB Tool, you can generate key and learn it with vvdi2 or key tool plus via OBD.
Here is an example:
How to Read MQB48 IMMO Data with VVDI MLB Tool and MQB48 Adapter?
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