P1540 Diagnostic Trouble Code Discussion for March 2004
Air Conditioning Refrigerant Over-Pressure - Air Conditioning Disabled
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| Help Request | Posted | |
| 1999 Mazda Millenia S 2.3L MIL Lamp on VIN: JM1TA2229X P1540: Air Bypass Valve System. ... this. I only have a generic scanner. I have checked the vacuum lines. The car came in with a P0105, I fixed that and now the P1540 comes on after two-trips. Thanks! |
March 18, 2004 |
