Symptom
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Cause
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Procedure
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Cars concerned
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The fifth bow does not move, the soft top cover stops midway during operation and noise can be detected from the hydraulic system.
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Air bubbles in the hydraulic system.
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Bleed the hydraulic system, see
Bleeding the hydraulic system
|
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The soft top stops halfway during closing or opening.
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The hydraulic cylinder rod does not have sufficient ground connection.
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An extra ground cable is fitted between the fifth bow mounting and cylinder, see
Fitting extra ground cable
.
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M98-M01 including VIN 17004113
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The soft top cannot be operated. In certain cases, it is operable but squeaks are audible. The following diagnostic trouble codes may be generated: B1865, B2015, B2016, B2020, B2021, B2045, B2050, B2051
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The arm on the fifth bow intermediate position microswitch is bent.
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For replacement of microswitch for fifth bow intermediate position and grinding drive link, see
Soft top emits audible squeaks or cannot be operated
|
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The soft top cannot be operated or it stops in mid-operation. SID displays the message CHECK SOFT TOP COVER and the following diagnostic trouble codes may be generated: B2025, B2026, B2030, B2031.
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The microswitches for the soft top cover latches can cause functional disorders and therefore have been replaced in production with microswitches of higher quality.
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For microswitch replacement, see
Microswitch, soft top cover lock arrangement
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M98 - M00 up to and incl. VIN Y7000913.
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The soft top cannot be operated or it stops in mid-operation. Slow movement. Noise. The following diagnostic trouble codes may be generated: B1865, B1870, B2005, B2010, B2015, B2020, B2025, B2030, B2035.
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The emergency control valve is not closed.
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Close the emergency operation valve.
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