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P1635 Diagnostic Trouble Code Discussion for March 2010

5-Volt Reference 'A' Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1635
Help Request Posted
2004 Opel Vectra 2.2L MIL Lamp on, Limp Mode
P1635: Accelarator pedal position sensor supply circuit1-circuit malfunction. First off the car is actually called a Holden (Not listed) but it's the same as a Vauxhall or an Opel. MIL lamp is turned on itermitantly either when driving or just idleing but always when foot off accelarator. Goes into limp mode. Code can be cleared immedia...
March 08, 2010