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P1505 Diagnostic Trouble Code Discussion for December 2011

Idle Air Control System at Adaptive Clip


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Trouble Ticket Help Requests for DTC P1505
Help Request Posted
1997 Audi A4 Quattro 2.8L No Start, VIN: WAUEA88D6V
P1505: CTP switch does not close open circuit. Car was brought in with no start. Battery was dead. Pushed it in the shop and charged the battery for an hour. checked codes and pulled out 1 spark plug wire to see if it has spark. The car started! Erased engine codes and they haven't come on since clear. Any...
December 15, 2011
1997 Audi A4 Quattro 2.8L No Start, VIN: WAUEA88D6V
P1505: CTP switch does not close open circuit. Car was brought in with no start. Battery was dead. Pushed it in the shop and charged the battery for an hour. checked codes and pulled out 1 spark plug wire to see if it has spark. The car started! Erased engine codes and they haven't come on since clear. Any...
December 15, 2011