01-10-2014, 09:44 AM
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#17
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Lieutenant Colonel
Drives: Sprint car
Join Date: May 2013
Location: California
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27e4 - P1209
27E4 - P1209
27E4 - P1209 | | Information saved in | DME | Fault code | 27E4 - P1209 | Fault text | Vacuum sensor, brake booster, plausibility | Fault description | Brake Booster Pump Shutoff Valve Plausibility | Condition for fault identification | Test condition: Constant violations of activation threshold or vacuum gradient is too low during activation | . | Terminal condition: TERM87 | . | Voltage condition: none | Condition for fault memory entry | 5000 ms | Action in service | 1. Check ELUP fuse, | . | 2. Check wires, | . | 3. Replace ELUP | 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 |
Last edited by regular guy; 01-21-2014 at 06:51 PM..
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