DTC P1525: AIR BY-PASS SOLENOID VALVE (VACUUM), OPEN OR SHORT CIRCUIT
DTC is set when open or short circuit is detected in air by-pass solenoid valve (vacuum) when ignition is on. Possible causes are:
Air by-pass solenoid valve (vacuum) malfunction.
Open or short of Red/Black wire between terminal "A" on air by-pass solenoid valve (vacuum) and terminal "D" on main relay.
Open or short of White/Red wire between terminal "B" on air by-pass solenoid valve (vacuum) and terminal No. 2M on Powertrain Control Module (PCM).
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Wednesday, October 10th, 2012 AT 8:49 AM