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P1540 Diagnostic Trouble Code Discussion for March 2012

Air Conditioning Refrigerant Over-Pressure - Air Conditioning Disabled


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Trouble Ticket Help Requests for DTC P1540
Help Request Posted
2000 Mazda Millenia Millennium Edition 2.3L Surge, MIL Lamp on VIN: JM1TA2223Y
P1540: Air Bypass Valve System. Code P1540 shows up always.We have replaced ABV (Air Bypass Valve) vacuum and vent solenoids with OEM units. Code returns within a few minutes of driving vehicle. We don't know whether misfire is related although misfire shows on different cylinders or 2 or3 a...
March 02, 2012
2000 Mazda Millenia Millennium Edition 2.3L Surge, MIL Lamp on VIN: JM1TA2223Y
P1540: Air Bypass Valve System. Code P1540 shows up always.We have replaced ABV (Air Bypass Valve) vacuum and vent solenoids with OEM units. Code returns within a few minutes of driving vehicle. We don't know whether misfire is related although misfire shows on different cylinders or 2 or3 a...
March 05, 2012
2000 Mazda Millenia Millennium Edition 2.3L Surge, MIL Lamp on VIN: JM1TA2223Y
P1540: Air Bypass Valve System. Code P1540 shows up always.We have replaced ABV (Air Bypass Valve) vacuum and vent solenoids with OEM units. Code returns within a few minutes of driving vehicle. We don't know whether misfire is related although misfire shows on different cylinders or 2 or3 a...
March 02, 2012
2000 Mazda Millenia Millennium Edition 2.3L Surge, MIL Lamp on VIN: JM1TA2223Y
P1540: Air Bypass Valve System. Code P1540 shows up always.We have replaced ABV (Air Bypass Valve) vacuum and vent solenoids with OEM units. Code returns within a few minutes of driving vehicle. We don't know whether misfire is related although misfire shows on different cylinders or 2 or3 a...
March 05, 2012