// Datasheet
| REF | UNIT-EZS-02 |
|---|---|
| FAMILY | EZS/EIS |
| FITMENT | Vito W639 · Sprinter W906 |
| SERVICE | EZS / EIS Ignition — Request a quote |
| BENCH | Basingstoke workshop · UK postal · mobile London & South East |
Part numbers
- A639 545 01 08
- A639 545 05 08
- A906 545 01 08
- A906 545 30 08
- A906 545 40 08
- A906 545 49 08
- A906 545 64 08
A639 545 01 08 and A639 545 05 08 share the same known fault pattern; other van EZS numbers on request.
Common faults
- Remote not working and steering lock not unlocking together
- Software / data corruption inside the EZS control module
- Key test failures — key electronics wear out too
Repairable?
// Bench verdict
Yes — on the W639 in our job log the control module damage was software-level and fully recoverable. We test the keys first, then the EZS, so the whole chain is proven before the unit goes home.