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 |
