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Key fob does not always work

Help, Advice, Owners' Discussion and DIY Tutorials on the current (third) generation Volvo V70 wagon and XC70 crossover, and second generation S80.

This is a forum for owners or prospective owners of the third generation V70, second generation S80, and its siblings built on the EUCD platform.
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Year and Model: 2008 V70
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Key fob does not always work

Post by hornetv6 » Fri Oct 26, 2018 6:14 am

2008 V70.Sometimes when I put the key in and hit the start button the dash blacks out and nothing happens. The brake pedal gets hard to press. After several attempts the car will start and it will work just fine, sometimes for weeks. Then it will happen again. The batteries in both key fobs have been replaced.

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Re: Key fob does not always work

Post by RickHaleParker » Sat Oct 27, 2018 3:15 am

Brake pedal gets hard OR you need to press hard to get the car to start?
Next time have somebody watch the brake lights as you press on the brakes.
Brake light switch maybe out of place and intermittently not working.

Platform: P80 1998 C70, B5234T3, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

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