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BMW N55/S55 Valvetronic Eccentric Shaft Failure Codes:
P1014 - Valvetronic Reference Eccentric Shaft Sensor Parity Error
P1017 - Valvetronic Eccentric Shaft Sensor Plausibility
P1023 - Valvetronic Adjustment Range
P1030 - Valvetronics Monitoring Sluggish Movement
P10DF - Valvetronic Overload Protection Output Stage System Shutdown
P10E0 - Valvetronic Overload Protection Control Motor System Shutdown
P10E1 - Valvetronic System No Travel Detected
P10E7 - Valvetronic Overload Protection Output Stage Overload
P10E8 - Valvetronic Overload Protection Control Motor Overload
As with all fault codes, it’s imperative to diagnose/understand the running conditions that are occurring before replacing parts. If you pull out your scanner and encounter a few of these codes, your fate is essentially sealed. Consider an Eccentric Shaft replacement in the near future.
Replacing A BMW N55/S55 Eccentric Shaft
If you tackle an Eccentric Shaft replacement, ensure you have some decent wrenching experience, an experienced friend to support you, or both. While it won’t require a mechanical engineering degree, it does involve getting into critical engine areas that need precise procedures.