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2003 XC90 - CCM codes: air quality sensor: signal too low/too high

A mid-size luxury crossover SUV, the Volvo XC90 made its debut in 2002 at the Detroit Motor Show. Recognized for its safety, practicality, and comfort, the XC90 is a popular vehicle around the world. The XC90 proved to be very popular, and very good for Volvo's sales numbers, since its introduction in model year 2003 (North America). P2 platform.
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Volvo Kush
Posts: 12
Joined: 31 July 2016
Year and Model: XC90 2003
Location: Montreal, CA

2003 XC90 - CCM codes: air quality sensor: signal too low/too high

Post by Volvo Kush »

Vehicle: XC90 2003 2.9 T6
Problem: A/C clutch doesn't engage. (initial thread: http://goo.gl/nU3WiL )

Got my CMM codes read today:
CCM-001F air quality sensor: Signal too high
CCM-0020 air quality sensor: Signal too low
CCM-0004 compressor: Faulty signal

Where are these sensors located? I would want to attempt cleaning them before paying for the replacement.

Thanks in advance
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