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2012 Porsche Cayenne S Hybrid – Brake Booster Codes P0556 and 0035ED

Aug 16
1 min read

CUSTOMER CONCERN

Brake-booster pressure DTC P0556/00110B and pedal-travel sensor DTC 0035ED will not clear after booster and vacuum-line service.

CAUSE

The vacuum supply line at the electric pump was leaking and the brake-pedal travel sensor was out of adjustment after brake-booster replacement.

CORRECTION

Repair the leaking brake-booster vacuum supply line, adjust the brake-pedal travel sensor gap to 5 mm, clear DTCs P0556/00110B and 0035ED, and verify vacuum retention and brake-system operation.

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2012 Porsche Cayenne S Hybrid – Brake Booster Codes P0556 and 0035ED

CUSTOMER CONCERN

CAUSE

CORRECTION

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