MSS60 Error: 2B21, P1628

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Information saved in DME
Fault code 2B21 - P1628
Fault text Throttle-valve actuator pre-drive check, bank 1
Fault description Throttle Valve Actuator Spring Test Malfunction during Opening (Bank 1)
Condition for fault identification Test condition: Wire permanently disabled
Terminal condition: TERM87
Voltage condition: none
Condition for fault memory entry 300 ms
Action in service 1. Check enable wire B1
2. Clear fault memory, perform EDR electronic throttle valve control system test
3. Replace EDR1
Fault effect and breakdown warning CC message
Engine speed limited
Reduced power
MIL after engine runs 2x
Driver information Warning light: MIL, EML, CC message, backup program
Service instruction None