Verification of the EMS control unit
Use SDP3 to lock the coordinator and EMS control unit to each other.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
The coordinator has not been able to verify the EMS control unit. The EMS control unit is perceived as being faulty or not intended for this vehicle.
The EMS control unit PIN code does not agree with the coordinator PIN code. Both control units must be locked to each other with the same code. Also applies to vehicles without extended anti-theft protection. The fault may be due to: The EMS control unit may either be unlocked or locked with an incorrect code compared to the coordinator. The coordinator may either be not programmed or locked with an incorrect code compared to the EMS control unit.